Lesson 29 DNA-The Story of You 同步练习（含答案）冀教版英语九年级全册

Lesson 29　DNA—The Story of You
同步练习
基础强化
一、根据句意及首字母或汉语提示填写单词
1. Lucy and Lily are t______. They look the same.
2. Chinese is a ____________ (复杂的) language.It's hard to learn.
3. Mrs.Green has two __________ (孙子).They are Mike and Henry.
4. If you don't know how to use the tablet，read i____________ first.
5. The hard working scientists are drawing a wonderful b__________ with their hands.
二、用括号内所给单词的适当形式填空
1. Now scientists can clone a __________ (live) thing.
2. There are __________(billion) of plants in the world.
3. It took them half an hour __________ (identify) what the thing was.
4. My father and my mother both ___________(strong) support my plan.
5. The weather in northern China is far __________ (cold) than that in southern China.
三、根据所给的汉语完成下面的句子
1. 除了一些双胞胎之外，每种生物都有自己独特的DNA。
_________ _________ some twins , every living thing _________ ________ has unique DNA.
2. 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.
3. 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 blueprint is a drawing that shows _________ ________ put a house together with many different parts.
4. 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 identify _________ _________ you , _________ _________ people who are related to you.
5. 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 for nature to change the DNA in living things to make them fit the world they _________ _________ .
能力训练
四、选择填空
1. —Alice, would you like to go hiking with us
—What a pity! I am free every day ______ today.
A. for B. except C. besides D. among
2. My answer is the same ______ yours. But it is different ______ hers.
A. to; to B. to; as C. as; from D. from; as
3. The movie is ______ to a real story.
A. close B. friendly C. near D. related
4. — Sorry, I didn’t hear your words clearly just now. Could you ______ them, please
—Sure, I said...
A. regret B. request C. repeat D. pardon
5. —Some students don’t know what to ______ worries.
— They can ask their teachers and parents for help.
A. belong to B. do with C. call in D worry about
6. Danny, your passage is very good______ the handwriting. Take it back and ______ it more carefully.
A. except; read B. except for; copy
C. except for; read D. except; copy
7. The country spends ______ dollars helping the poor
every year.
A. two billion of B. two billions
C. billion of D. billions of
8. Yuan Longping is ______ regarded as the greatest scientist in rice planting.
A.suddenly B. patiently C.hardly D. generally
9. We all like Lucy as she is always thinking ______ of others than herself.
A.less B. much more C.much D. better
10. —Which film do you like best
—The Martian.It ______ shows a lot of imagination ______ has a sense of humour.
A.too；to B. neither；nor
C.either；or D. not only；but also
五、用方框中所给短语的适当形式填空
except for, billions of, be related to, be influenced by, in general
1. Her choice ______________her family and friends.
2. Can you find a pattern which ______________his work
3. I think we need to improve our educational system ______________.
4. Your composition is good ______________some spelling mistakes.
5. The government is spending ______________dollars on the new blueprint.
素养提升
六、连词成句
1. everyone, flower, breaks, if, a, what
_________________________________________
2. possible, change, DNA, is, your, it, to
___________________________________________
3. your, writing, is, except, for, homework, good
_________________________________________.
4. isn’t, related, thing, to, you, this
_________________________________________.
5. improves, by, she, practising, English, her, more
_________________________________________.
七、短文填空
Science is interesting and fun.1.__________ (science) discoveries are making our lives better and better.This week we learned about DNA.2.__________ (general) speaking，DNA decided what you would be like 3.__________ you were born.It is a blueprint 4._________ our life.
DNA is 5.__________ (fantasy).It is one of 6.__________ most amazing things on the earth.From your DNA，scientists can identify not only you，but also people who are 7.__________ (relate) to you.We get DNA from 8._________ (we) father and mother.Our grandsons or granddaughters can also repeat patterns from us.I am 9.___________ (interest) in this topic and my teacher advises us to study science hard.There are lots of 10.__________(mystery) to be discovered in the future.
参考答案
一、1.twins 2.complex 3.grandsons 4.instructions 5.blueprint
二、1.living 2.billions 3.to identify 4.strongly 5.colder
三1.Except for, its own 2.billions of instructions, why 3.In general, how to 4.not only, but also 5.takes millions of, live in
四、1-5BCDCB 6-10BDDBD
五、1.is influenced by 2.is related to 3.in general 4.except for 5.billions of
六、1.What if everyone breaks a flower
2.Is it possible to change your DNA
3.Your homework is good except for writing
4.This thing isn't related to you
5.She improves her English by practising more
七、1.Scientific 2.of 3.Generally 4.before 5.fantastic 6.our 7.interested 8.the 9.related 10.mysteries