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第一PPT > PPT课件 > 英语课件 > 冀教版九年级英语上册 > 《DNA-The Story of You》Look into Science! PPT免费下载

《DNA-The Story of You》Look into Science! PPT免费下载

《DNA-The Story of You》Look into Science! PPT免费下载 详细介绍:

《DNA-The Story of You》Look into Science! PPT免费下载《DNA-The Story of You》Look into Science! PPT免费下载《DNA-The Story of You》Look into Science! PPT免费下载《DNA-The Story of You》Look into Science! PPT免费下载《DNA-The Story of You》Look into Science! PPT免费下载

《DNA-The Story of You》Look into Science! PPT免费下载

第一部分内容:New Words

1. DNA    脱氧核糖核酸

2. blueprint n. 蓝图

3. general  adj.  一般的;普通的

e.g. He teaches them general knowledge and life skills. 

他教给他们一般性知识和生活技能。

4. complex   adj.   复杂的

5. twin   n.  双胞胎之一;孪生儿之一

6. repeat   v. 重复;复述;背诵

e.g. Will you please repeat the word? 

请你重复一遍这句话好吗?

7. pattern   n.  模式;形式 

8. identify   v.   确认;鉴别

9. related   adj.  有关的;相关的

10. grandson   n. 孙子;外孙

e.g. A grandma is kissing her grandson.

一位奶奶在亲吻她的孙子。

... ... ...

DNA-The Story of YouPPT,第二部分内容:Think about it

What do you know about DNA? 

What can scientists do with DNA?

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 / using many different parts.

2. Which is more complex, building a living thing or building a house? 

Building a living thing is far more complex than building a house.

3. Do some twins have the same DNA?

Yes, some twins have the same DNA.

4. Is it possible to change your DNA?

Yes, it is. In the future, scientists might be able to change our DNA.

5. Whose DNA is related to yours? 

People who are related to you. For example, your parents and grandparents.

... ... ...

DNA-The Story of YouPPT,第三部分内容:Language points

1. In general, a blueprint is a drawing that shows how to put a house together with many different parts.

一般而言,蓝图就是一幅图纸,它显示一座房子的构造。

in general意思是“一般而言;概括说来(通常置于句首)”。也可以用

generally speaking来表示。

e.g. In general / Generally speaking, women cry more easily than men.

一般而言,女人比男人容易哭。

2. But building a living thing is far more complex than building a house.

但创造一个生物比盖房子要复杂得多。

far用来修饰形容词和副词的比较级,这样的词语还有much, still, even, 

no, a little, a bit, a lot, rather, any等。

e.g. The room is a bit larger than that one.

这个房间比那个稍大一点。

He works still harder than ever.

他比以往更加努力学习了。

Matters are a lot better than ever before.

情况远远比以往好。

Can he jump any higher?

他能跳得更高一些吗?

Lesson One is much easier than Lesson Two.

第一课比第二课容易得多。

Tom looks even younger than before.

汤姆看上去甚至比以前还年轻。

This train runs much faster than that one.

这辆火车比那辆快得多。

... ... ...

DNA-The Story of YouPPT,第四部分内容: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:Homework

Is it a good idea to change the DNA of the food we eat? 

Some people say doing this makes our food better.

Others think it’s too dangerous. 

Search the Internet for information and write down your ideas.

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