冀教版九年级下册英语课件 Unit 5 Look into Science Lesson 29 DNA—The Story of You.ppt

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1、 Unit 5 Look into ScienceLesson 29 DNAThe Story of You 冀教版冀教版 九年级九年级习题链接习题链接1general2complex3repeat4instructions678910In general;blueprint;how toExcept for;twins;its ownidentify not only;but also;are related totakes millions of;to change;fit;live inbillions of instructions;why先练后背提示：点击 进入习题5grandson

2、(s);granddaughter(s)答案呈现习题链接习题链接67Cheroes题组专训答案呈现12345BBexcept forBinstructions8D习题链接习题链接DBDBD课后巩固答案呈现more popularto flyminebe provided10to throw123456789习题链接习题链接课后巩固答案呈现1112131415The boy is able to writeIs he related to the accidentLucy has the same age as IScientists are looking for the reasonsIm

3、strongly influenced by his wordsCBDA20C2122232425DBBAC16171819先练后背先练后背一、根据汉语提示写单词，并背记相应英语词汇一、根据汉语提示写单词，并背记相应英语词汇1.As a _(一般的)rule he did what he could tobe helpful.2.Biology is a _(复杂的)subject.generalcomplex先练后背先练后背3.Im sorry,but could you _(重复)that?4.Always read the _(说明)before you start.5.Every mo

4、nth,the old mans _(孙子)and_(孙女)visit him.repeatinstructions grandson(s)granddaughter(s)先练后背先练后背二、根据提示完成句子，并背记英语句子二、根据提示完成句子，并背记英语句子6.一般来说，蓝图就是一幅说明如何把很多不同部分组合在一起构成房子的图。_ _,a _ is a drawing that shows _ _ put a house together with many different parts.In general blueprint how to先练后背先练后背7.除了一些双胞胎之外，每种生物

5、都有自己独特的DNA。_ _ some _,every living thing _ _ has unique DNA.Except for twins its own先练后背先练后背8.从你的DNA 中，科学家不仅可以识别你，而且也能识别和你相关的人。From your DNA,scientists can _ _ _ you,_ _ people who _ _ _ you.identify not only but also are related to先练后背先练后背9.对于自然界来说，它要花费数百万年的时间改变生物的DNA，以使它们适应它们生存的世界。It _ _ _ years f

6、or nature _ _ the DNA in living things to make them _ the world they _ _.takes millions of to change fit live in先练后背先练后背10.你的DNA 有数十亿指令解释你为什么是这样的。Your DNA has _ _ _ that explain _ you are the way you are.billions of instructionswhy题组专训题组专训1.WeChat Wallet is making our life _ moreconvenient than befo

7、re.【中考自贡】A.many B.much C.very【点拨点拨】本题运用语法判定法。句意：微信钱包让本题运用语法判定法。句意：微信钱包让我们的生活比以前方便多了。修饰比较级的词常我们的生活比以前方便多了。修饰比较级的词常用：用：even,much,alittle,a lot,a bit,far等，但是等，但是so,very,too,many不能用来修饰比较级。故选不能用来修饰比较级。故选B。B题组专训题组专训2.Polly has been ill for three days but she is a lot _ today.【中考株洲】A.best B.better C.goodB题

8、组专训题组专训3.除了一些拼写错误外，你的作文整体上很好。Your composition is good in general _ some spelling mistakes.except for题组专训题组专训4.Alice,would you like to go hiking with us?What a pity!I am free every day _ today.【中考兰州】A.for B.except C.besides D.amongB题组专训题组专训5.You should read the _(instruct)on the bottle before taking

9、the medicine.instructions题组专训题组专训6.Please read the _ before you take the medicine.【中考龙东】A.introduction B.explanation C.instructionC题组专训题组专训7.Yang Liwei is one of the national _(hero).We should learn from him.【中考北部湾】heroes题组专训题组专训8.What do you think of your junior high school life?I think it is one o

10、f _ periods in my life.【中考云南】A.wonderful B.more wonderfulC.much wonderful D.the most wonderfulD课后巩固课后巩固一、单项一、单项选择选择1.(易错题)Your story is good _ the ending.A.but B.besides C.except D.except forD课后巩固课后巩固2.Wow,an iPhone 7.What a big surprise!Thanks,darling!Its your birthday present.But please read the_

11、carefully before you use it.【中考泰州】A.information B.instructionC.invitation D.instrumentB课后巩固课后巩固3.The country spends _ dollars helping the poorevery year.A.two billion of B.two billionsC.billion of D.billions ofD课后巩固课后巩固4.“重要的事情说三遍。”can be translated into“Important things must be _ again and again an

12、d again.”A.spoken B.repeated C.described D.introducedB课后巩固课后巩固5.China is over 5000 years old.Its one of _ countries in the world.Yes.It has a much _ history than the USA.A.old;long B.older;longerC.older;the longest D.the oldest;longerD课后巩固课后巩固二、用所给词的适当形式二、用所给词的适当形式填空填空6.More and more people are usin

13、g WeChat.It is far _(popular)than QQ.7.It takes a few hours _(fly)to Shanghai.more popularto fly课后巩固课后巩固8.This piece of music can touch not only your heart,butalso _(I).【中考莱芜】9.With the development of Xiongan New Area,more than180,000 jobs can _(provide)for local people.10.Its too hard for me to lea

14、rn it.Can you show me how_(throw)the ball?【中考安顺】minebe providedto throw课后巩固课后巩固三、连词成句三、连词成句11.boy,write,is able to,the_.The boy is able to write课后巩固课后巩固12.he,accident,to,the,is,related_?13.the same,Lucy,age,I,as,has_.Is he related to the accidentLucy has the same age as I课后巩固课后巩固14.reasons,are,the,s

15、cientists,looking for,_.15.influenced,his words,Im,by,strongly_.Scientists are looking for the reasonsIm strongly influenced by his words课后巩固课后巩固四、阅读理解四、阅读理解 【中考中考苏州苏州】Dear Dr Bamford,I know you are a famous scientist who has done great work on cloning animals.Please excuse me for writing to you,but

16、 I need your _16.16.A.cat B.animals C.help D.moneyC【点拨点拨】句意：请原谅我给你写信，但是我需要你的帮助。句意：请原谅我给你写信，但是我需要你的帮助。cat猫；猫；animals动物；动物；help帮助；帮助；money钱。根据钱。根据I dont care how much I will spend cloning Cindy.故选故选C。课后巩固课后巩固Let me explain.I am a 58-year-old man.Im very rich.I live in a large house.My wife died three

17、years ago;we didnt have children.So,am I _17?No,because Cindy is with me.Every night we eat dinner together and watch TV.17.A.lucky B.lonely C.healthy D.happy【点拨点拨】我是孤独的吗？我是孤独的吗？lucky幸运的；幸运的；lonely孤独的；孤独的；healthy健康的；健康的；happy高兴的。高兴的。根据根据No，because Cindy is with me.可知，作者可知，作者有有Cindy陪着，所以作者不会感到孤独。故选陪着

18、，所以作者不会感到孤独。故选B。B课后巩固课后巩固 Cindy sits beside me _18 I feel very happy.Im fascinated by her beautiful green eyes.Shes also very smart.Sometimes she thinks only about herself.18.A.but B.or C./D.and【点拨点拨】句意：句意：Cindy坐在我的旁边，我感到很高坐在我的旁边，我感到很高兴。兴。Cindy坐在作者的旁边，作者感到很高兴。坐在作者的旁边，作者感到很高兴。前后是并列关系。故选前后是并列关系。故选D。D课

19、后巩固课后巩固But thats what I _ 19 about her.She is quite a beautiful Siamese cat.There is no other cat like her in the whole world.19.A.like B.hate C.mind D.stand【点拨点拨】句意：但是那正是我喜欢她的地方。句意：但是那正是我喜欢她的地方。like喜欢；喜欢；hate厌恶；厌恶；mind介意；介意；stand忍受。忍受。根据根据There is no other cat like her in the whole world.可知，作者应该是喜欢

20、这只猫。故选可知，作者应该是喜欢这只猫。故选A。A课后巩固课后巩固These days I worry about _ 20 Cindy.She is getting older and older.20.A.feeding B.catching C.losing D.training【点拨点拨】句意：这些天我担心失去句意：这些天我担心失去Cindy。feeding饲养；饲养；catching抓住；抓住；losing失去；失去；training训练。作者担心训练。作者担心Cindy会死。所以应会死。所以应该指失去该指失去Cindy。故选。故选C。C课后巩固课后巩固Cats dont live

21、_ 21 humans,of course,so she will die before I do.21.A.as hard as B.as soon as C.as short as D.so long as【点拨点拨】句意：猫不会和人活得一样长句意：猫不会和人活得一样长。as hard as和和一样难；一样难；as soon as一一就；就；as short as 和和一样短；一样短；so long as和和一样长，只要。故选一样长，只要。故选D。D课后巩固课后巩固I cannot imagine my life _ 22 Cindy.22.A.with B.without C.of D.

22、about【点拨点拨】句意：我不能想象没有句意：我不能想象没有Cindy的日子。的日子。with有；有；without没有；没有；of的；的；about关于。关于。故选故选B。B课后巩固课后巩固 Well,why not get another cat after Cindy dies?_ 23!No other cat can ever replace(代替)her.I have been thinking about cloning Cindy.Scientists are able to clone sheep,mice and other animals.23.A.Certainly

23、B.Impossible C.Really D.Wonderful【点拨点拨】句意：不可能！句意：不可能！Certainly当然；当然；Impossible不可能；不可能；Really真的；真的；Wonderful极好的。根据极好的。根据No other cat can everreplace(代替代替)her.可知，选可知，选B。B课后巩固课后巩固You should be able to clone cats without much _ 24.Luckily,I am a rich man.I dont care how much I will spend cloning Cindy.2

24、4.A.difficulty B.advice C.hope D.chance【点拨点拨】句意：你应该能够轻易地克隆猫。句意：你应该能够轻易地克隆猫。difficulty困难；困难；advice建议；建议；hope希望；希望；chance机会。根据机会。根据Scientists are able to clone sheep,mice and other animals.可知，科学家能够克隆羊、老鼠和其他的可知，科学家能够克隆羊、老鼠和其他的动物，故选动物，故选A。A课后巩固课后巩固I think _ 25 to clone pets.Its not cloning humans.What do you think of it?Could you clone Cindy?25.A.its terrible B.you arent supposed C.its OK D.you arent allowed【点拨点拨】句意：我认为克隆宠物是可以的。句意：我认为克隆宠物是可以的。its terrible它是可怕的；它是可怕的；you arent supposed你不应该；你不应该；its OK可以的，好的；可以的，好的；you arent allowed你不被允你不被允许。根据语境选许。根据语境选C。C