《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?
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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.
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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。
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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.
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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
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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
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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
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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。
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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。
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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
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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
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九年级上册
《The Study of Living Things》Look into Science! PPT课件
第一部分内容：学习目标
objectives
To learn some new words:biology，fantastic, butterfly……
To understand the passage.
To learn Attributive clause.
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?
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The Study of Living ThingsPPT，第二部分内容：Words
biology n.
butterfly n.
migrate v.
fantastic adj.
completely adv.
grandchild n.
female n.
milkweed n.
chemical n.
puzzling adj.
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The Study of Living ThingsPPT，第三部分内容：Language Points
1. 有关attention的短语
2. as…as 的用法
3. lie 与 lay的用法
4. fantastic
5. chemical
6. have been drawing
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The Study of Living ThingsPPT，第四部分内容：Discussion
What do you think is the most fascinating thing in nature?
Are you familiar with these sentences?
They are from the books we have learned.
1. In Mexico, the butterflies always return to the same small piece of forest, which is only 20 kilometres wide.
2. The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north.
3. But in Mexico, people cut down the trees that the butterflies need to rest on because they want more land for farming.
4. In the United States and Canada, farmers use chemicals that kill milkweed.
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The Study of Living ThingsPPT，第五部分内容：Grammar
Attributive Clause
定语从句是指在句中作定语的______。先行词是被定语从句所修饰的词 （通常是名词或代词）。关系词，也叫作引导词，是在从句中替代先行词，在定语从句中充当一定的成分，通常是______或______，作_____时常可以省略。先行词为人时，引导词常用_____或_____；先行词为物时，引导词常用______或_______。
特殊情况下，由that引导的定语从句：
1.先行词为all, everything, nothing, something, anything, little, much 等不定代词时。
2. 先行词被all, little, much, every, no 等修饰时。
3. 先行词被序数词或最高级修饰时。
4. 先行词被the only, the very, the same, the last修饰时。
5. 先行词为人和物的组合。
6. 主句是who/which开头的特殊疑问句。
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The Study of Living ThingsPPT，第六部分内容：Homework
1.To grasp the contents of this lesson.
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
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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.
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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)。
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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.
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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
《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。
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《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
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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
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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.
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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。
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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
第一部分内容：Learning aims
1.运用合适自己的方法背诵本课的单词和词组：biology, butterfly, fantastic. in fall, draw one's attention, cut down, as many as, lay eggs, leave for, when to fly south.
2.通过完成各项学习任务了解蝴蝶的秘密。
3.在学习中积极思考，勇于用英语表达自己的看法。培养热爱科学的态度和探究自然秘密的勇气。
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The Study of Living ThingsPPT，第二部分内容：Learning the words:
Chip Taylor 奇普。泰勒 biology 生物学；生物
butterfly 蝴蝶 migrate 移居；迁徙
fantastic 奇异的；极好的 completely 完全地
milkweed （植）马利筋 chemical 化学物质
puzzling 令人费解的
grandchild 孙子；孙女；外孙；外孙女
female 雌性的动物或植物；女子
短 语 互 译
1. 在秋天 ________________
2. 引起某人的注意 _______________
3. 砍伐 ________________
4. as many as ________________
5. lay eggs ________________
6. leave for________________
7.小片的森林
8.when to fly south
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The Study of Living ThingsPPT，第三部分内容：句 型 在 线
1. 关于蝴蝶的奇异的事实引起了泰勒博士的注意。
Fantastic facts about the butterfly ________ ________ ________ Dr. Taylor's________．
2.在墨西哥，这些蝴蝶总是回到仅有二十公里宽的同一小片森林。
In Mexico, the butterflies always return to the same small piece of forest, ________ _____ ________ ________ ________ ________．
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 ________ ________ ________ ________．
4. 但是在墨西哥，因为人们需要更多的土地来耕作，所以他们砍伐了那些蝴蝶栖息的树。
But in Mexico, people ________ ________the trees that the butterflies need to rest on because they want more land for farming.
5. 科学家们仍然不明白蝴蝶们是怎么知道何时飞往南方的。
Scientists still don't understand how the butterflies know ________ ________ ________ ________.
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The Study of Living ThingsPPT，第四部分内容：句型透视
1Fantastic facts about the butterfly have been drawing Dr. Taylor's attention.
关于蝴蝶的奇异的事实引起了泰勒博士的注意。
[探究] (1) have been doing sth. 为现在完成进行时，结构为“have/has been＋v.ing”，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。
(2) draw one's attention引起某人的注意
2In 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小片森林。
[探究] 该句是一个复合句，其中which 引导的是非限制性定语从句，其作用是对所修饰的成分作进一步说明，通常和主句间用逗号隔开，将从句去掉后其他部分仍可成立。
3The butterflies that return south are the greatgreat grandchildren of the butterflies that left for the north.返回到南方的这些蝴蝶是前往北方的蝴蝶的玄孙们。
[探究] 该句为含有两个定语从句的多重复合句，其中两个that 分别引导一个定语从句。
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《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 13:58:12
0
九年级上册
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