《DNA-The Story of You》Look into Science! PPT免費課件
第一部分內容：詞匯聽(tīng)寫(xiě)
同學(xué)們，上一課學(xué)習的單詞你們都掌握了嗎？現在大家來(lái)檢驗一下，點(diǎn)擊下面的音頻開(kāi)始聽(tīng)寫(xiě)吧！
課堂導入
What do you know about DNA?
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DNA-The Story of YouPPT，第二部分內容：課文呈現
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.
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DNA-The Story of YouPPT，第三部分內容：知識講解
知識點(diǎn)1
do with 處理
do with與deal with都可表示“處理”。do with常與what連用，而deal with常與how連用。
eg：I don’t know what they do with the problem.
我不知道他們如何處理這個(gè)問(wèn)題。
知識點(diǎn)2
in general 通常；大體上
eg：In general，their cars are very reliable.
通常，他們的小汽車(chē)是很可靠的。
generally adv.一般地；廣泛地；普遍地。generally speaking“大體而言；概括來(lái)說(shuō)”。
eg：Generally speaking，your idea is right.
總的來(lái)說(shuō)，你的想法是正確的。
________，it is not very bad to work in this factory.
A．General speak B．Speaking generally
C．In general D．In generally
【點(diǎn)撥】句意：通常來(lái)說(shuō)，在這家工廠(chǎng)工作還是不錯的。
In general通常來(lái)說(shuō)。故選C。
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DNA-The Story of YouPPT，第四部分內容：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?
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DNA-The Story of YouPPT，第五部分內容：課堂練習
一、根據句意及首字母提示完成單詞
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、單項選擇
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·六盤(pán)水) Not only you but also he _____ the secret.
A．knows B．know
C．have known D．to know
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DNA-The Story of YouPPT，第六部分內容：課堂小結
本節課主要學(xué)習了以下重點(diǎn)內容:
（1）重點(diǎn)單詞：sometimes, by等。
（2）重點(diǎn)短語(yǔ)：do with, in general, except for, the same… as, not only…but also…, one of…等。
課后作業(yè)
1.熟記本課時(shí)的詞匯
2.完成本課時(shí)的課后作業(yè)
關(guān)鍵詞：冀教版九年級上冊英語(yǔ)PPT課件免費下載，DNA-The Story of YouPPT下載，Look into Science!PPT下載，.PPT格式；
