《The Study of Living Things》Look into Science! PPT免费下载

描述

《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

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.

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更新时间: 2024-06-30

所属频道：冀教版九年级英语上册

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