冀教版九年级英语Unit5 Lesson 29DNA-the story of you(共23张PPT).ppt

1、Learning aimsl 1.To understand the meaning of the text.l2.To be able to use the important phrases.Work in groupsAccording to the Chinese,try to underline the phrases in the text.1.怎样处理，如何处理2.通常来说，一般而言3.几百万4.多高（个子）5.多大（尺码）6.出生7.除了，除去8.健康问题9.和一样10.不但.而且.11.与有关12.来自1.what.do with2.in general3.millions

2、of4.how tall6.be born5.what size7.except for8.health problem9.the same.as10.not only.but also11.(be)related e fromHow.deal with=generally speaking就近原则=be from部分介词1.一般来说，男性比女性强壮。_ _，man is stronger than woman.2.除了两处拼写错误，这篇文章写的很好。The article is good _ _ two spelling mistakes.3.你的头发和皮肤有同样的DNA.Your hair

3、 has _ _ DNA _ your skin.4.以前也没有几十亿的人口。There were _ _ people.5.你的鞋是多大尺寸的？_ _ are your shoes?except for the same as billions of What sizeIn general Generally speaking A blueprint is a drawing that shows how to put a house together with many different parts.Read the first paragragh and answer the foll

4、owing question.1.What is a blueprint?和一起先行词whichRead the second paragragh and answer the following question.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.Building a living thing.Adj.复杂的Its time to challenge yours

5、elves!挑战你的潜能1.All these things are strongly influenced by your DNA before you are born.在你出生之前，所有这些事情深受DNA的影响。have influence on/over sb./sth.对某人/某物有影响What influenced you _(make)that decision?Her parents no longer have any _ her.to maken.influence on/overBe+V.pp被动语态V.影响n 2.Except for some twins,every

6、living thing has its own unique DNA.除了一些双胞胎外，每一个生物都有它自己独特的DNA。except for 除之外except for 肯定整体，否定部分，整体与部分表示的事物性质不同。except除去的部分不包括在整体内，是排除关系，且不用于句首。The article is good _two spelling mistakes.We worked every day _ Sunday.except forexcept3.From your DNA,scientists can identify not only you,but also people

7、 who are related to you.根据你的DNA，科学家们不仅能识别出你，而且能识别出和你有关系的人。be related to与有关I might be _him._ wealth_hapiness?related torelated toIs就近原则4.Your DNA has billions of instructions that explain why you are the way you are.你的DNA有数十亿种结构，这些结构解释了为什么你是独一无二的。billions of 数十亿的The man has _ dollars.Tom has three _

8、dollars.billions ofbillion中考在线操作指南，用法说明常用复数动词explanation名词l1.一般来说l2.除之外l3.与相关l4.在将来 5.出生 6.数十亿的 7.对有影响Language Piontsin generalexcept forbe related to in the futurebe born billions ofhave influence on sb/sth1.一般来说2.除之外3.与相关4.在将来 5.出生 6.数十亿的 7.对有影响Language Piontsin generalexcept forbe related to in t

9、he futurebe born billions ofhave influence on sb/sth【探究总结】辨析except、except for、besides和butexcept 意为“除了”表示从整体中除去，不包括所除事物在内，除去和非除去的事物是同类事物，该词一般不放在句首。except for 意为“除了”说明整个事物后，对细节加以纠正，其后一般接名词。except for 意为“除之外”Your article is quite good except for several spelling mistakes.你的文章很好只有几处错误。Everyone except Jo

10、hn was able to answer.除约翰外大家都能回答。except for意为“除之外”He is a good man except for hot temper.他是一个好人，知识脾气暴躁而已。1.Is Jack goood at basketball？Yes，he is also good at table tennis _basketball.A.except B.besides C.but D.Beside2.The skirt is very beautiful _ its colour is a little dark.A.except for B.besides C

11、.but D.Beside3.All the workers went home last night _ Mr.White because he was on duty.A.except B.besides C.but D.Beside辨析except、except for、besides和but1.except 意为“除了”表示从整体中除去，不包括所除事物在内，除去和非除去的事物是同类事物，该词一般不放鱼句首。2.except for 意为“除了”说明整个事物后，对细节加以纠正，其后一般接名词。3.besides意为“除了之外，还有”，包括所处的事物在内。4.but 意为“除了之外”，多用

12、在no，nobody，who,where，all等次之后。.用所给词的适当形式填1.The accident is _(relate)to the drunk driver.2.The old worker isgiving an _(explain)for being late.3.China is one of_ countries in the world.relatedexplanationlargest4._(general)speaking，the south is much hotter than thr north in China.5.Lin lin often practi

13、ces English by _（chat）with her American friends.Generallychatting6._people like to drink milk tea.A.Billion of B.Billions ofC.One billions D.One billion of 6.The man makes a living _ teaching.A.without B.with C.by D.in7.My answer is the same_yours，but different _ hers.A.from;from B.from;as C.as;from D.as;as