《DNA-The Story of You》Look into Science! PPT教学课件
第一部分内容:课前自主预习
1. 一般的;普遍的________→(adv.)________
2.重复;复述;背诵________
3.孙子;外孙________
4.孙女;外孙女____________
5.blueprint ________
6.instruction ________→(v.)________
7. twin ___________________
8.pattern_____________
9.identify _____________
10.related _____________
11. complex ________
1. 一般而言;通常________________
2.除……之外________________
3.不仅……而且……________________
4. 数以百万计的________________
5. 例如________________
6.be related to________________
7. in the future ________________
8.the same…as________________
1.一般而言,蓝图就是展示如何将许多不同的部分组建成一栋房子的图纸。
________ ________, a blueprint is a drawing________
________ ________ ________ put a house together with many different parts.
2.对大自然来说,改变生物的DNA以使它们适应它们生存的世界要花费数百万年的时间。
It takes millions of years for nature to change the DNA in
living things to make them fit the world ________ ________ ________.
3.所有的这些事情在你出生之前就被你的DNA强烈地影响着!
All these things________ ________ ________ by your DNA before you are born!
4.除了一些双胞胎之外,每一个生物都有自己独特的DNA。
________ ________ some twins, every living thing has its own unique DNA.
5.从你的DNA中,科学家们不仅能够鉴别你,而且能鉴别与你相关的人。
From your DNA, scientists can identify not only you, but also
people ________ ________ ________ ________ ________.
根据课文内容,判断正(T)误(F)。
( )1. DNA is the blueprint of life.
( )2. Building a house is more complex than building a living thing.
( )3. Scientists can change our DNA now.
( )4. Your hair and your fingers have different DNA.
( )5. From your DNA, scientists can identify people who are related to you.
... ... ...
DNA-The Story of YouPPT,第二部分内容:课堂互动探究
词汇点睛
1 general adj. 一般的;普遍的
[观察] In general, a blueprint is a drawing that shows how to put a house together with many different parts.一般而言,蓝图就是展示如何将许多不同的部分组建成一栋房子的图纸。
There is a general interest in sports.对于运动,(人们)有普遍的兴趣。
[探究] general用作________词,指普遍存在于大多数人或事物中,有“较少例外的”含义。常用短语是in general,意为“_____________”。
2 repeat v. 重复;复述;背诵
[观察] You have your own unique DNA, but it repeats patterns from your parents' DNA.
你有你自己独特的DNA,但是它重复了你父母DNA的模式。
The teacher asked him to repeat what she had said.
老师要求他重复她所讲的话。
[探究] repeat可作及物动词,也可作不及物动词。repeat意为“重复;重说;重做”时, 其后不能再跟 again。repeat sth.=say/do sth. ________。
句型透视
1 It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.
对大自然来说,改变生物的DNA以使它们适应它们生存的世界要花费数百万年的时间。
[探究] (1)句中“they live in”为定语从句,前面省略了关系词that或which。
(2)millions of 意为“________________”。
[拓展] (1)关系代词在定语从句中作主语时,一般不能省略;只有做宾语或表语时才可省略。
Is there anything (that) you wanted here?
这儿有你想要的东西吗?
China is not the country (that) it was.
中国已不是过去的中国了。
(2)hundred, thousand, million, billion表示具体数字时,用单数;表示概数时,后面要加s, 并且与of连用。
2 Except for some twins, every living thing has its own unique
DNA. 除了一些双胞胎之外,每一个生物都有自己独特的DNA。
Everyone except Li Ming passed the English exam.
除了李明之外,大家都通过了这次英语考试。
He is a good man except for his hot temper.
他是个好人,只是脾气暴躁而已。
We've been to the Great Wall besides Li Lei.
除了李雷之外,我们也都去过长城。
There is nothing but a bed in the room.
房间里除了一张床什么也没有。
... ... ...
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:15
0
九年级上册
《DNA-The Story of You》Look into Science! PPT课件下载
第一部分内容:Warming up
Do you and the students near you look the same? What is the same?
Are there any differences between you and your friends?
Zhang Liangying looks like her mother.
... ... ...
DNA-The Story of YouPPT,第二部分内容:Discussion
Do you look like your father or mother? Do you know why?
Do you know DNA?
Are your fingerprints the same as your mother's?
New words
blueprint n. 蓝图
repeat v. 重复
general adj. 一般的;普遍的
complex adj.复杂的
twin n. 双胞胎
identify v. 鉴别;确认
grandson n. (外)孙
granddaughter n. (外)孙女
DNA 脱氧核糖核酸
instruction n. 说明
pattern n. 模式
related adj. 有关的
... ... ...
DNA-The Story of YouPPT,第三部分内容:Language notes
1. Except for identical twins, each living thing has its own unique DAN. 除了每个双胞胎之外,每个生物都有他唯一的DNA。
1)except for除……以外,只是,排除的不是同类,表示对主要部分的肯定和对局部的否定。
Your article is quite good except for several spelling mistakes. 你的文章很好,只是有几处拼写错误。
except, besides, but 和except for 的区别
except “除……之外”,排除后面的人或物,而且排除的内容和主语往往是同一类。如:We went to see our teacher yesterday except Li Ming. 昨天除了李明以外我们都去看我们的老师了(李明没去)。
besides “除……之外,还有”,包括该词后面的人或物。如:We all went to see a film besides Li Ming. 除李明以外我们也都去看电影了(李明去了)。
but““除……之外”,一般用于否定句中,表示”只有……“,如:There is nothing but a pen in the pencil case.铅笔盒里除了一支钢笔之外什么也没有。
except for “除……之外”,后面排除的部分和主语不是同一类人或物.如 :The movie was good except for the ending.这部电影除了结局之外都很好。
2. From your DNA, scientists can identify not only you but also people related to you. 在你的DNA中,科学家们不但能鉴别你,而且也能鉴别和你有关系的人。
1) not only …but also…不但……而且……,连接两个相同的成分,也可连接两个分句。连接两个并列主语时,谓语动词和临近主语保持一致;连列两个并列分句时,not only置于句首,通常用倒装结构,也就是说,把not only引导的分句中的助动词或be提到主语前面。
He likes not only English but also math.
他不仅喜欢英语,而且喜欢数学。
Not only you but also I am a teacher. 不仅你而且我也是一名老师。
Not only does he work hard, but also he is very clever.
他不仅工作认真,而且很聪明。
2)relate to涉及,有关
The story related to the Second World War.
故事讲的是第二次世界大战的事情。
I have a book relating to the Autumn Harvest Uprising. 我有一本关于秋收起义的书。
... ... ...
DNA-The Story of YouPPT,第四部分内容:Practice
I. 根据句意及所给汉语提示写出单词。
1. She_________(认出) that the man was her uncle.
2. The engineer drew a________(蓝图) to build the road.
3. The two boys are________(双胞胎). They look the same.
4. Read the ___________ (说明) first before you use the machine.
5. Please _______ (复述) the words after the tape.
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:15
0
九年级上册
《DNA-The Story of You》Look into Science! PPT免费课件
第一部分内容:词汇听写
同学们,上一课学习的单词你们都掌握了吗?现在大家来检验一下,点击下面的音频开始听写吧!
What do you know about DNA?
... ... ...
DNA-The Story of YouPPT,第二部分内容:课文呈现
THINK ABOUT IT
·What do you know about DNA?
·What can scientists do with❶ DNA?
When you build a house,you use a blueprint. What’s a blueprint?In general❷,a blueprint is a drawing that shows how to put a house together with many different parts. DNA is the blueprint of life.❸
But building a living thing is far more complex than building a house. It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.
How tall are you?What colour are your eyes?What size are your feet? All these things are strongly influenced by your DNA before you are born!
DNA is fantastic!
·Except for❹ some twins,every living thing has its own unique DNA.
... ... ...
DNA-The Story of YouPPT,第三部分内容:知识讲解
do with 处理
do with与deal with都可表示“处理”。do with常与what连用,而deal with常与how连用。
eg:I don’t know what they do with the problem.
我不知道他们如何处理这个问题。
in general 通常;大体上
eg:In general,their cars are very reliable.
通常,他们的小汽车是很可靠的。
generally adv.一般地;广泛地;普遍地。generally speaking“大体而言;概括来说”。
eg:Generally speaking,your idea is right.
总的来说,你的想法是正确的。
________,it is not very bad to work in this factory.
A.General speak B.Speaking generally
C.In general D.In generally
【点拨】句意:通常来说,在这家工厂工作还是不错的。
In general通常来说。故选C。
... ... ...
DNA-The Story of YouPPT,第四部分内容:Let's Do It !
1.Read the lesson and answer the questions.
1.What is a blueprint?
A blueprint is a drawing that shows how to put a house together with many different parts.
2.Which is more complex,building a living thing or building a house?
Building a living thing.
3.Do some twins have the same DNA?
Yes, they do.
4.Is it possible to change your DNA?
Yes. In the future, scientists might be able to change our DNA.
5.Whose DNA is related to yours?
My parents’ and my grandparents’.
2.Fill in the blanks with the phrases in the box.
in general except for not only…but also
related to even if the same…as
1.Your homework is quite good __________a few spelling mistakes.
2.________the young ________the old like pop music.
3.Kate’s hair is________ colour ______her sister’s.
4._________,women live longer than men.
5.________ many difficulties remain,we can overcome them.
6.Is wealth _________ happiness?
... ... ...
DNA-The Story of YouPPT,第五部分内容:课堂练习
一、根据句意及首字母提示完成单词
1.Lucy and Lily are ______.They look the same.
2.In ________,women do it more easily than men.
3.It’s important for you to ________the text.
4.Mike has a granddaughter and a ________.
5.Before you take this medicine, you must read the _____________.
二、单项选择
6.What did the police ________ that accident?
A.deal in B.deal with
C.do with D.do about
7.My article is good ________some spelling mistakes.
A.except B.except for
C.Beside D.besides
8.From your DNA,scientists can identify you and the people ________to you.
A.related B.relates
C.relating D.relate
9.(中考·六盘水) Not only you but also he _____ the secret.
A.knows B.know
C.have known D.to know
... ... ...
DNA-The Story of YouPPT,第六部分内容:课堂小结
本节课主要学习了以下重点内容:
(1)重点单词:sometimes, by等。
(2)重点短语:do with, in general, except for, the same… as, not only…but also…, one of…等。
1.熟记本课时的词汇
2.完成本课时的课后作业
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:15
0
九年级上册
《The Study of Living Things》Look into Science! PPT免费课件
第一部分内容:词汇听写
同学们,上一课学习的单词你们都掌握了吗?现在大家来检验一下,点击下面的音频开始听写吧!
Do you like nature, why?
... ... ...
The Study of Living ThingsPPT,第二部分内容:课文呈现
THINK ABOUT IT
·Would you like to be a biologist when you grow up?Why or why not?
·What mysteries of nature do you know about?
Dr. Chip Taylor teaches biology at a university in the United States. He studies one kind of North American butterfly. Just like a migrating bird,this butterfly travels about 4 000 kilometres south in fall. Fantastic facts about the butterfly have been drawing Dr. Taylor’s attention❷.
... ... ...
The Study of Living ThingsPPT,第三部分内容:知识讲解
living/'lɪvɪŋ/ adj.活着的
eg:All the living people were taken to safety.
所有活着的人都被带到了安全的地方。
draw one’s attention 引起某人的注意
eg:It’s a special day to draw people's attention to the environment.
它是个引起人们注意环境的特殊日子。
pay attention to 注意
eg:Pay attention to your handwriting.
注意你的书写。
昨天,他不同寻常的讲话吸引了我们的注意。
His unusual speech ________ ________ ________yesterday.
20 kilometres wide 20千米宽
表示长、宽、高等用“基数词+单位词(metre,foot,inch等)+形容词(long,wide,high等)”或者用“基数词+单位词+in+名词(length,width,height等)”。
eg:The wall is 20 metres long and 2 metres high.
= The wall is 20 metres in length and 2 metres in height.
这堵墙20米长,2米高。
这座建筑30米高。
The building is ________ ________ ________.
【点拨】“基数词+单位词(metre,foot,inch等)+形容词(long,wide,high等)”可用来表示长、宽、高。
... ... ...
The Study of Living ThingsPPT,第四部分内容:Let's Do It !
1.Read the lesson and complete the table.
Fantastic facts about butterflies
The butterflies always ________ to the same small piece of forest and ________ the winter there.
The butterflies that return to the south are the greatgreat grandchildren of the butterflies that left for the north.
The females ________ eggs on only one plant:milkweed.
Things that Dr. Taylor worries about
In Mexico,people cut down the trees that the butterflies need to ______on.
In the U.S.and Canada,farmers use chemicals that ______ milkweed.
Things that scientists can’t understand
How do the butterflies know when to fly south?
How do the greatgreat grandchildren of the butterflies ________ the same forest?
2.Join the sentences to make attributive clauses.
Example:
We did some experiments yesterday.
The experiments were fantastic.
The experiments that we did yesterday were fantastic.
... ... ...
The Study of Living ThingsPPT,第五部分内容:课堂练习
一、根据句意及汉语提示完成单词
1.Do you like ________ (生物学) at school?
2.Look! There are many___________ (蝴蝶) among the flowers.
3.This is a ________ (极好的) film.
4.I ___________ (完全地) forgot about it.
5.Many people ________ (迁移) to Canada in the 1800s.
二、单项选择
6.Our teacher often encourages him ________ hard.
A.work B.working
C.to work D.works
7.Since environment is too important to all of us, we human beings had better ________ fewer trees.
A.turned down B.cut down
C.put down D.cut up
... ... ...
The Study of Living ThingsPPT,第六部分内容:课堂小结
本节课主要学习了以下重点内容:
(1)重点单词:living, almost, worry, carry等。
(2)重点短语:draw one’s attention, 20 kilometres wide, as many as, cut down, both…and…等。
1.熟记本课时的词汇
2.完成本课时的课后作业
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:14
0
九年级上册
《The Study of Living Things》Look into Science! PPT免费下载
第一部分内容:Warming up
Would you like to be a biologist when you grow up? Why or why not?
What mysteries of nature do you know about?
New words
1. biology n. 生物学;生物
2. butterfly n. 蝴蝶
3. migrate v. 移居;迁徙
4. fantastic adj. 奇异的;了不起的;极好的
e.g. That’s a fantastic idea!
那真是一个非常好的主意!
5. completely adv. 完全地
6. grandchild n. 孙子;孙女;外孙;外孙女
7. female n. 雌性的动物或植物;女子
8. milkweed n. (植)马利筋
9. chemical n. 化学物质
10. puzzling adj. 令人费解的
... ... ...
The Study of Living ThingsPPT,第二部分内容:Practice
1. Read the lesson and complete the table.
Fantastic facts about butterflies
The butterflies always __________ to the same small piece of forest and ______ the winter there.
The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north.
The females ____ eggs on only one plant: milkweed.
Things that Dr. Taylor worries about
In Mexico, people cut down the trees that the butterflies need to ____ on.
In the U.S. and Canada, farmers use chemicals that ____ milkweed.
2. Join the sentences to make attributive clauses.
Example :
We did some experiments yesterday. The experiments were fantastic.
The experiments that we did yesterday were fantastic.
... ... ...
The Study of Living ThingsPPT,第三部分内容:Language Points
1. Fantastic facts about the butterfly
have been drawing Dr. Taylor’s attention.
这种令人着迷的蝴蝶一直吸引着泰勒博士的注意。
have been doing是现在完成进行时,“一直在做某事”,表示过去某时开始的某个动作或状态一直延续到现在,且还在进行。常表示动作的延续性、重复性及感情色彩等。
e.g. Mr. Smith has been living in London since 1995.
史密斯先生自从1995年以来一直住在伦敦。 (延续性)
Have you been meeting her recently?
你最近常见到她吗?(重复性)
Who’s been eating my apples?
谁吃了我的苹果?(感情色彩)
draw one’s attention“吸引某人注意力”。
e.g. He tries to draw our attention to the painting.
他试图把我们的注意力吸引到这幅画上。
2. Here, as many as 230 million butterflies spend the winter.
在这里,多达两亿三千万只蝴蝶在这里过冬。
as…as “和……一样”,表示同级比较。基本结构为as+ adj. / adv. + as。
e.g. English words can be as short as one letter.
英语单词可以短到只有一个字母。
This film is as interesting as that one.
这部电影和那部电影一样有趣。
Your pen writes as smoothly as time.
你的钢笔书写起来和我的一样流畅。
... ... ...
The Study of Living ThingsPPT,第四部分内容:Grammar
现在完成进行时
现在完成进行时表示动作从过去某一时间开始,一直延续到现在还未结束。现在完成进行时有时也可用来表示经常的、反复的动作。
(1) 结构:have / has + been + V-ing
(2) 与since或for引导的时间状语连用;since后接动作开始的时间,for后面接一段时间;对since或for引导的时间状语提问时要用how long 。
(3) 否定形式是在have / has后加not构成,可缩写为haven’t / hasn’t。
(4) 一般疑问句形式是将have / has提至主语前;肯定回答用“Yes, 主语+have / has.”,否定回答用“No, 主语+haven’t / hasn’t.”。
e.g. a. -How long have you been drawing?
-I have been drawing for two hours.
b. -How long has Maria been playing the piano?
-She has been playing the piano since she was five years old.
c. They haven’t been working since last month.
d. -Has he been living here?
-Yes, he has. / No, he hasn’t.
定语从句是在复合句中起定语作用, 修饰名词、代词或整个主句的从句。被定语从句修饰的词叫先行词。引导定语从句的关系词有关系代词(that, which, who, whom, whose等) 和关系副词(where, when, why)。
关系词在定语从句中的作用:
①连接主句和定语从句;
②指代先行词;
③在定语从句中充当一定的成分。
(1)关系代词that与which
在定语从句中,关系代词that既可指人,也可指物,which一般用于指物。
在指物时,二者一般可以互换,但非限制性定语从句中多用which引导。
e.g. The old town has narrow streets and small houses that are built close to each other.
That evening, which I will tell you more about later, I ended up working very late.
(2)关系代词who与whom
who指人,是主格,在定语从句中作主语,一般可用that替换。
whom指人,是宾格,在定语从句中作 宾语。在口语和非正式文体中可用who 或that替换,也可以省略。
... ... ...
The Study of Living ThingsPPT,第五部分内容:Exercise
1. The place _____ interested me most was the Children’s Palace.
A. which B. where
C. what D. in which
2. Do you know the man _____?
A. whom I spoke B. to who spoke
C. I spoke to D. that I spoke
3. This is the hotel _____ last month.
A. which they stayed
B. at that they stayed
C. where they stayed at
D. where they stayed
4. Do you know the year ____ the Chinese Communist Party was founded?
A. which B. that
C. when D. on which
... ... ...
The Study of Living ThingsPPT,第六部分内容:Homework
Research and write a report about an animal or insect that you think is fantastic.
Include a drawing or image of the animal or insect.
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:14
0
九年级上册
《DNA-The Story of You》Look into Science! PPT
第一部分内容:Warming up
Do you and the students near you look the same? What is the same?
Think about it!
1. What do you know about DNA?
2. What can scientists do with DNA?
This is the shape of DNA. Do you think it’s magic?
“DNA” is short for deoxyribonucleic acid.
... ... ...
DNA-The Story of YouPPT,第二部分内容:While-reading
Read the lesson and answer the questions:
What is a blueprint?
It’s a drawing that shows how to put a house together with many different parts.
Which is more complex, building a living thing or building a house?
Building a living thing is far more complex than building a house.
Do some twins have the same DNA?
Yes, they are.
Is it possible to change your DNA?
In the future, scientists might be able to change my DNA.
Whose DNA is related to yours?
My parents and grandparents.
... ... ...
DNA-The Story of YouPPT,第三部分内容:Language points
1. But building a living thing is far more complex than building a house.
比较级前可以用much, even, still, far, a bit, a little, a lot 等词加以修饰。
This unit is much easier than that one. 这个单元比那个单元容易得多。
2. own 的用法
1)adj. 自己的 (用在所有格后,加强语气)
Now ask the same questions about your own teachers.
She makes all her own clothes.
2) vt. 有,拥有 其名词形式为owner,意为主人,所有者。
— Who owns the bike?
—Jackie. He is the owner of it.
3. except for =apart from 除……以外,只是 表示从整体中排除一小部分,前后对比的东西不同类 。except =but “除了”前后对比的东西同类
常与all , every ,no,not, any等连用。besides 表示“除……之外,还有”,即包含后面提到的内容。
eg:He is a good man except for hot temper.
I have said goodbye to all the teachers except Mr. Wang.
Besides Tom, five other boys also passed the exam.
... ... ...
DNA-The Story of YouPPT,第四部分内容:Practice
Fill in each blank with the proper word.
1. This is the __________(identify) hotel that we stayed in last year.
2. Your brothers are people _________(relate) to you.
3. Do you know who is the _________(own) of the house?
4. Your body uses this pattern _________ (build) itself.
5. You have your own DNA, but it repeats the patterns from your __________(parent) DNA.
6. Some health problems come from your family’s DNA. _________(science) can look for these problems in your DNA.
根据汉语意思完成句子,每空一词:
1. 我们用蓝图建造房子。
We _______ a blueprint ______ _______ a house.
2. 除了窗子小外,这座房子很漂亮。
The house is beautiful ______ _____ the small windows.
3. 你的头发和皮肤有同样的DNA。
Your hair has ______ _______ _______ _____ your skin.
4. 她不但会唱歌,而且会跳舞。
She can _____ ______ sing ______ ________ dance.
... ... ...
DNA-The Story of YouPPT,第五部分内容:Homework
1. Write a passage about DNA, try to tell what it is, where it is from, what things you show your parents’DNA?
2. Preview Lesson 30.
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:14
0
九年级上册
《DNA-The Story of You》Look into Science! PPT课件
第一部分内容:Let’s talk!
1.Why do you look like this?
Because of DNA.
2.What is DNA?
DNA is the blueprint of life.
3.What is a blueprint?
(Paragraph 1)
4.Which is more complex, building a living thing or building a house?
(Paragraph 2)
... ... ...
DNA-The Story of YouPPT,第二部分内容:Read and Know!
Your DNA comes from your parents.
You have your own unique DNA, but it repeats patterns from your parents’DNA. From your DNA, scientists can identify not only you ,but also people who are related to you , Your parents and grandparents are related to you , and you have their DNA. When you have a grandson or granddaughter, he or she will have your DNA.
In a word.
You DNA has billions of instructions that explain that why you are the way you are. It’s one of the most amazing things on the earth!
-----This is the story of you
... ... ...
DNA-The Story of YouPPT,第三部分内容:完成句子。(中考链接)
1. 一般来说,女人比男人活得更长。
____________, women are live longer than men.
2. 你的作文相当好,除了一些拼写错误外。
Your composition is quite good _________ a few spelling mistakes.
3.现如今,不管是年轻人还是老年人都喜欢流行音乐。
____________ the young ____________ the old like pop music nowadays.
4.我认为财富与幸福没关系。
I don’t think wealth _________ happiness.
5.尽管还留下许多困难,我们可以克服的。
_______________ many difficulties remain, we can overcome them.
... ... ...
DNA-The Story of YouPPT,第四部分内容:Teacher Motto
Scientific discoveries are making our lives better and better.
Inventions and discoveries have changed the modern world.
Everything has two sides.
It’s never too late to learn.
Nothing is too difficult, if you put your heart into it.
... ... ...
DNA-The Story of YouPPT,第五部分内容:Homework
1.Write the composition down in your book.
2.Finish“Let’s do it”NO.3.
3.Read this article at least three times.
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:14
0
九年级上册
《The Study of Living Things》Look into Science! PPT课件下载
第一部分内容:Think About It!
1. Would you like to be a biologist when you grow up? Why or why not?
2. What mysteries of nature do you know about?
New words
Chip Taylor 奇普q泰勒
biology n. 生物
butterfly n.蝴蝶
migrate v. 迁徙
completely adv. 完全地
grandchild (外)孙子;(外)孙女
female n. 女子
milkweed n. 马利筋
chemical n. 化学物质
puzzling adj. 令人费解的
... ... ...
The Study of Living ThingsPPT,第二部分内容:Listening Task:
true or false
( ) 1. Dr. Chip Taylor studies a kind of Canadian butterfly.
( ) 2. The butterflies travel south in fall.
( ) 3. About 230 million butterflies spend the winter in in Mexico.
( ) 4.Scientists don’t know how the butterflies know when to fly south.
... ... ...
The Study of Living ThingsPPT,第三部分内容:Language Points
1. Fantastic facts about the butterfly have been drawing Dr. Taylor’s attention. 这些关于蝴蝶的神奇的事实一直吸引着泰勒博士的注意。
draw one’s attention意为“吸引某人的注意”,attention是名词,意为“注意”,为不可数名词,one’s需根据主语做适当变化。
The music drew the girl’s attention. 这首音乐吸引了小女孩的注意。
2. Here, as many as 230 million butterflies spend the winter. 在这里,多达两亿三千万只蝴蝶过冬。
as many as意为“多达”,修饰复数名词。as…as意为“和……一样”,为同级比较,中间要用形容词或副词的原级。其否定形式为not as/so+形容词/副词+as。
The film is as interesting as that one. 这部电影和那部电影一样有趣。
I can’t sing so well as you. 我不能和你一样唱得好。
3. The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north. 这些飞回南方的蝴蝶是春天飞往北方蝴蝶的曾曾子孙。
1)that return to the south和that left for the north均为定语从句。
2)leave for意为“前往”,“leave+地点”则表示离开某地。
They left for Shanghai yesterday. 他们昨天去上海了。
... ... ...
The Study of Living ThingsPPT,第四部分内容:Practice
根据句意及提示补全单词
1. We spent a _______ (奇异的) weekend in Paris.
2. There are many _________ (mystery) to be discovered by us.
3. I trust my friend __________ (complete).
4. Winter is a season for many birds __________ (migrate) south.
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:13
0
九年级上册
《The Study of Living Things》Look into Science! PPT教学课件
第一部分内容:课前自主预习
1.奇异的;了不起的;极好的________
2.孙子;孙女;外孙;外孙女________ →(复数)___________
3.biology______________
4.butterfly ___________→(复数)___________
5.migrate ________
6.completely ________→(v.)________
7.chemical ________→(n.)________
8.puzzling ________→(v.)________
9. female ____________________
1. 在秋天________________
2.引起某人的注意______________
3.砍倒;缩减________________
4.as many as ________________
5. lay eggs ________________
6.leave for________________
7.return to________________
8.all over the world _____________
1.关于这种蝴蝶的奇异事实引起了泰勒博士的注意。
Fantastic facts about the butterfly ________ ________ ________ Dr. Taylor's________.
2. 多达两亿三千万只蝴蝶在这里过冬。
Here, ________ ________ ________230 million butterflies spend the winter.
3.返回到南方的这些蝴蝶是前往北方的蝴蝶的玄孙们。
The butterflies that return to the south are the greatgreat
grandchildren of the butterflies that ________ ________
________ ________.
... ... ...
The Study of Living ThingsPPT,第二部分内容:课堂互动探究
词汇点睛
1 fantastic adj. 奇异的;了不起的;极好的
[观察] She has a fantastic idea that her dead brother is alive.
她有一个奇异的想法:她去世的哥哥仍然活着。
We watched a fantastic play yesterday evening.
昨天晚上我们看了一场精彩的演出。
[探究] fantastic指凭空想象出来的,使人感到奇怪而不能相信,强调妄想、失去理智;在口语中也可译为“极大的,异乎寻常的,极好的,极出色的,了不起的”。
2 as…as 和……一样……
[观察] She is as tall as me. 她和我一样高。
She doesn't draw as well as her brother.
她画得不如她哥哥好。
[探究] as…as 意为“和……一样……”,表示比较,两个as之间用________词或________词的________级。其否定形式为not as…as或not so…as,意为“不如……,不像……”,表示前者不如后者。
3 cut down 砍倒;缩减
[观察] This article is too long. You have to cut it down.
这篇文章太长,你得把它缩减一下。
We are busy cutting trees down.
=We are busy cutting down trees. 我们正忙于砍树。
[探究] cut down为动副结构短语,________词作其宾语时,必须放在cut 和down之间;________词作其宾语时,放在down的前后均可。
1 Fantastic facts about the butterfly have been drawing Dr. Taylor's attention.
关于这种蝴蝶的奇异事实引起了泰勒博士的注意。
[探究] (1)have been drawing为现在完成进行时,结构为“have/has been doing”,表示一段时间以来一直从事的动作,强调连续不断,并有可能还会继续下去。
He has been working in the room for five hours.
他已经在房间里工作五个小时了。
(2)draw one's attention意为“________________”。若表达“吸引某人的注意力到……”,用draw one's attention to,其中to是介词,后面接名词、代词或动名词形式。
It's a special day to draw people's attention to the environment.
它是引起人们注意环境的特殊日子。
The teacher drew my attention to the blackboard.
老师把我的注意力吸引到黑板上。
2 In Mexico, the butterflies always return to the same small piece of forest, which is only 20 kilometres wide.在墨西哥,这些蝴蝶总是回到仅有二十公里宽的同一片小森林。
[探究]该句是一个复合句,其中which引导的是非限制性________从句,其作用是对所修饰的成分作进一步说明,通常和主语用逗号隔开,将从句去掉后,其他部分仍可成立。
... ... ...
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:13
0
九年级上册
《The Study of Living Things》Look into Science! PPT下载
第一部分内容:Think about it!
1.Would you like to be a biologist when you grow up? Why or why not?
2.What mysteries of nature do you know about?
Read the lesson and complete the table.
Fantastic facts about butterflies
The butterflies always_________to the same small piece of forest and________the winter there.
·The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north.
·The females________eggs on only one plant:milkweed.
... ... ...
The Study of Living ThingsPPT,第二部分内容:Main phrases:
·draw one’s attention
·as many as…
·leave for
·cut down
Main sentences:
·Fantastic facts about the butterfly have been drawing Dr. Taylor’s attention.
·The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north.
·When they begin to travel north in spring,the females lay eggs.
·Scientists still don’t understand how the butterflies know when to fly south.
·This is both puzzling and interesting for many scientists.
·There are many mysteries yet to be discovered by those interested in science.
... ... ...
The Study of Living ThingsPPT,第三部分内容:教材解读
1.Fantastic facts about the butterfly have been drawing Dr. Taylor’s attention.
◆have been doing sth.是现在完成进行时,意为“一直在做某事”,表示从过去某时开始的某个动作或状态一直延续到现在,而且还在进行。常常表示动作的延续性、重复性以及感情色彩等。
◆draw one’s attention意为“吸引某人的注意力”。
2.Here,as many as 230 million butterflies spend the winter.
◆as…as…意为“与……一样……”,两个as之间可加形容词或副词的原级;也可加“many+复数名词”,“much+不可数名词”或“形容词+a/an+单数名词”,还可以在as…as…前加twice,half等词表示前后者倍数或分数关系。as…as的否定形式为not as/so…as…。
◆spend为及物动词,意为“度过,花(钱/时间)”,常用于固定结构:spend time/money(in)doing sth.花费时间/金钱做某事;spend time/money on sth.在某物上花费时间/金钱;spend time with sb.和某人一起度过时光,句子的主语应为人,spend的过去式和过去分词都是spent。
3.The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north.
◆that return to the south和that left for the north都是定语从句。
◆leave for意为“动身去……”。leave意为“离开”,是位移动词,可使用现在进行时表将来;leave与表示一段时间的状语连用时,应改为be away(from)。
... ... ...
The Study of Living ThingsPPT,第四部分内容:Practice
Join the sentences to make attributive clauses.
Example:
We did some experiments yesterday.The experiments were fantastic.
The experiments that we did yesterday were fantastic.
1.I asked him to mail the letter.I wrote the letter to my cousin.
2.Yesterday I met a boy.The boy is a new member in our art club.
3.Mary was carrying a bag.The bag cost her a lot of money.
4.Football is a team sport.Football is popular all over the world.
... ... ...
The Study of Living ThingsPPT,第五部分内容:Homework
1.Finish off the exercises in the activity book.
2.Preview Lesson 29.
《单元主题写作》Look into Science! PPT 第一部分内容:话题分析 本单元的话题为谈论科学。通过本单元的学习,学生要能够用英语表达出科技对人们日常生活产生的影响。写作此话题时多..
《单元语法聚焦》Look into Science! PPT 第一部分内容:教材典句 1.A blueprint is a drawing that shows how to put a house together with many different parts. 蓝图就是展示如..
《单元基础知识过关》Look into Science! PPT 第一部分内容:基础知识清单 重点单词 1.方法;办法 ________ 2.力量;迫使;强迫 ________ 3.火柴;相称;相配 ________ 4.当然;..
发布于:2020-05-03 13:58:13
0
九年级上册