《DNA-The Story of You》Look into Science! PPT免費(fèi)課件
第一部分內(nèi)容：詞匯聽寫
同學(xué)們，上一課學(xué)習(xí)的單詞你們都掌握了嗎？現(xiàn)在大家來檢驗(yàn)一下，點(diǎn)擊下面的音頻開始聽寫吧！
課堂導(dǎo)入
What do you know about DNA?
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DNA-The Story of YouPPT，第二部分內(nèi)容：課文呈現(xiàn)
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(nèi)容：知識(shí)講解
知識(shí)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?nèi)绾翁幚磉@個(gè)問題。
知識(shí)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；概括來說”。
eg：Generally speaking，your idea is right.
總的來說，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：通常來說，在這家工廠工作還是不錯(cuò)的。
In general通常來說。故選C。
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DNA-The Story of YouPPT，第四部分內(nèi)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(nèi)容：課堂練習(xí)
一、根據(jù)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(xiàng)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(nèi)容：課堂小結(jié)
本節(jié)課主要學(xué)習(xí)了以下重點(diǎn)內(nèi)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)
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