2020年九年級(jí)英語課外延展練習(xí)

1、1 2020年九年級(jí)英語課外延展練習(xí)第一部分閱讀理解a the idea of being able to walk on water has long interested humans greatly.sadly,biological facts prevent us ever accomplishing such a thing without artificial aidwe simply weigh too much,and all our mass pushes down through our relatively small feet,resulting in a lot of

2、 pressure that makes us sink. however,several types of animals can walk on water.one of the most interesting is the common basilisk basilicus basilicus,a lizard( 蜥蜴 )native to central and south america.it can run across water for a distance of several meters,avoiding getting wet by rapidly hitting t

3、he water s surface with its feet.the lizard will take as many as 20 steps per second to keep moving forward.for humans to do this,we d need huge feet that we could bring up to our ears in order to create adequate “ hitting.”but fortunately there is an alternative:cornflour.by adding enough of this c

4、ommon thickening agent to water(and it does take a lot),you can create a “ non-newtonian ” liquid that doesn t behave like normal water.now,if the surface of the water is hit hard enough,particles( 粒子 )in the water group together for a moment to make the surface hard.move quickly enough and put enou

5、gh force into each step,and you really can walk across the surface of an adequately thick liquid of cornflour. fun though all this may sound,it s still rather messy and better read about in theory than carried out in practice.if you must do it,then keep the water wings handy in case you start to sin

6、k and take a shower afterward! 1.walking on water hasn t become a reality mainly because humans_. a.are not interested in it b.have biological limitations c.have not invented proper tools d.are afraid to make an attempt 2.what do we know about basilicus basilicus from the passage? a.it is light enou

7、gh to walk on water. b.its huge feet enable it to stay above water. c.it can run across water at a certain speed. d.its unique skin keeps it from getting wet in water. 3.what is the function of the cornflour according to the passage? a.to create a thick liquid. b.to turn the water into solid. c.to h

8、elp the liquid behave normally. d.to enable the water to move rapidly. 4.what is the author s attitude toward the idea of humans walking on water?a.it is risky but beneficial. b.it is interesting and worth trying. c.it is crazy and cannot become a reality. d.it is impractical though theoretically po

9、ssible. b most young boys like spending time on things like video games, superhero movies and sports,but ken,a 9-year-old boy from the philippines,is spending his free time trying to start an animal shelter(庇護(hù)所 )for at-risk dogs. in february,photos of ken feeding dogs on the street circled the inter

10、net and immediately attracted many people who wanted to help.“ i feel sorry for the dogs with no owners while other dogs around the world are being pampered(寵養(yǎng) ), ” ken told pet360 in an email.“ it really isn t fair.and they are really thin.”when ken began feeding the dogs which had health problems,

11、they would not let the boy get close.but after several feedings,the dogs allowed the boy to help them.when animal lovers found out what ken was doing,donations started to roll in,and ken and his father were able to start a non-profit( 非營利的 )animal shelter called happy animals club.the donations help

12、ed three dogs,blackie,brownie and white puppy,receive high-quality canned food and treatment.after two months with ken at happy animals club,the dogs look like completely different animals and will be adopted(領(lǐng)養(yǎng) )soon. in may,ken and his father hire a 10,000-square-foot lot(場(chǎng)地 ),where ken hopes to b

13、uild a no-kill animal shelter to help more dogs.“ i want the dogs to have a home,where they can have shelter,eat and have fun,” says ken.ken wants to save dogs from the city pound ( 寵物收留所 )where most anim als are put down.right now,ken doesn t have enough money to start the shelter.if you also want

14、to save homeless dogs,you can visit the happy animals club s website and offer some help. 2 5.what makes ken different from other boys of his age? a.that he lives at a shelter. b.that he wants to save homeless dogs. c.that he loves animals very much. d.that he loves watching superhero movies. 6.when

15、 animal lovers knew what ken was doing,they _. a.were surprisedb.felt very excitedc.supported himd.brought dogs to him 7.blackie,brownie and white puppy are given as examples to show that_. a.many dogs are waiting to be adopted b.dogs can become very friendly in the end c.high-quality canned food is

16、 very important d.the donations can improve some dogs lives8.what s the writer s purpose of writing the last paragraph?a.to encourage us to help ken save dogs. b.to ask us to bring homeless dogs to ken. c.to show it s really not easy to raise money.d.to tell us about the happy animals club s website

17、.c is there intelligent( 有智力的 )life on other planets? for years, scientists said “ no, ” or “ we don t know.” but today this is changing.seth shostak and alexandra barnett are astronomers(天 文 學(xué) 家 ).they believe intelligent life exists(存在)somewhere in the universe.they also think we will soon contact

18、 these beings( 人;生物 ). why do shostak and barnett think intelligent life exists on other planets? the first reason is time.scientists believe the universe is about 12 billion years old. “ this is long enough for other planets to have intelligent life,” say shostak and barnett.the second reason is si

19、ze the universe is huge. “ tools like the hubble telescope(哈勃望遠(yuǎn)鏡 )have shown that there are at least 100 billion galaxies,” says shostak.“ and our galaxy,the milky way,has at least 100 billion stars.some planets going around these stars might be similar to earth.”in the past,it was hard to look for

20、signs of intelligent life in the universe.but now,powerful telescopes(高倍望遠(yuǎn)鏡 )allow scientists to discover smaller planets the size of mars or earthin other solar systems.these planets might have intelligent life. have beings from space already visited earth? “ probably not,” says shostak.“ it s a lo

21、ng way away.however,intelligent beings may contact us in other ways,such as radio signals( 信號(hào) ).in fact,they may be trying to communicate with us now,but we don t have the right tools to receive their messages.however,this is changing.by 2025,we could make contact with other life forms in our univer

22、se and we might help each other.”9.seth shostak and alexandra barnett are _. a.astronomersb.farmersc.singersd.drivers 10.what is the best title for paragraph 2? a.the age and size of earth b.our galaxy:the milky way c.why intelligent life might exist d.earth:the only planet with intelligent life 11.

23、why was it hard to look for signs of intelligent life in the universe in the past? a.there were not any smaller planets. b.there were not any powerful telescopes. c.the astronomers were not interested in them. d.the milky way didn t exist at that time.12.why haven t beings from space visited us yet

24、according to shostak? a.they re afraid of us.b.it s a long way away.c.they don t want to see us.d.they don t know how to use radio signals.d from the very beginning of school we make books and reading a constant source of possible failure and public humiliation.when children are little we make them

25、read aloud,before the teacher and other children,so that we can be sure they “ know” all the words they are reading.this means that when they don t know a word,they are going to make a mistake,right in front of everyone.after having taught fifth-grade classes for four years,i decided to try at all c

26、osts to rid them of their fear and dislike of books,and to get them to read oftener and more adventurously. 3 one day soon after school had started,i said to them, “ now i m going to say something about reading that you have probably never heard a teacher say before.i would like you to read a lot of

27、 books this year,but i want you to read them only for pleasure.i am not going to ask you questions to find out whether you understand the books or not.if you understand enough of a book to enjoy it and want to go on reading it,that s enough for me.also i m not going to ask you what words mean. ”the

28、children sat stunned and silent.was this a teacher talking?one girl,who had just come to us from a school where she had had a very hard time,looked at me steadily for a long time after i had finished.then,still looking at me,she said slowly and seriously, “ mr.holt,do you really mean that?” i said j

29、ust as seriously,“ i mean every word of it.”during the spring she really astonished me.one day,she was reading at her desk.from a glimpse of the illustrations i thought i knew what the book was.i said to myself,“ it can t be,” and went to take a closer look.sure enough,she was reading moby dick,in t

30、he edition with woodcuts.i said,“ don t you find parts of it rather heavy going?” she answered,“ oh,sure,but i just skip over those parts and go on to the next good part.”this is exactly what reading should be and in school so seldom isan exciting,joyous adventure.find something,dive into it,take th

31、e good parts,skip the bad parts,get what you can out of it,go on to something else.how different is our mean-spirited,picky insistence that every child get every last little scrap of“ understanding”that can be dug out of a book. 13.according to the passage,children s fear and dislike of books may re

32、sult from_.a.reading little and thinking little b.reading often and adventurously c.being made to read too much d.being made to read aloud before others 14.the teacher told his students to read_. a.for enjoyment b.for knowledge c.for a larger vocabulary d.for higher scores in exams 15.upon hearing t

33、he teacher s talk,the children probably felt that_.a.it sounded stupid b.it was not surprising at all c.it sounded too good to be true d.it was no different from other teachers talk16.which of the following statements about the girl is true according to the passage? a.she skipped over those easy par

34、ts while reading. b.she had a hard time finishing the required reading tasks. c.she learned to appreciate some parts of the difficult books. d.she turned out to be a top student after coming to this school. e more students than ever before are taking a gap year(間隔年 )before going to university.it use

35、d to be called the “ year off ” between school and university.the gap-year phenomenon originated( 起源 )with the months left over to oxbridge applicants between entrance exams in november and the start of the next academic year. this year,25,310 students who have accepted places in higher education in

36、stitutions have put off their entry until next year,according to statistics on university entrance provided by the university and college admissions service(ucas). that is a record 14.7% increase in the number of students taking a gap year.tony higgins from ucas said that the statistics are good new

37、s for everyone in higher education.“ students who take a well-planned year out are more likely to be satisfied with,and complete,their chosen course.students who take a gap year are often more mature and responsible,” he said. but not everyone is happy.owain james,the president of the national union

38、 of students(nus),argued that the increase is evidence of student hardshipyoung people are being forced into earning money before finishing their education.“ new students are now aware that they are likely to leave university up to 15,000 in debt.it is not surprising that more and more students are

39、taking a gap year to earn money to support their study for the degree.nus statistics show that over 40% of students are forced to work during term time and the figure increases to 90% during vacation periods,” he said.17.what do we learn about the gap year from the text? a. it is flexible in length.

40、 b.it is a time for relaxation. c. it is increasingly popular. d. it is required by universities. 18.according to tony higgins, students taking a gap year_. a. are better prepared for college studies b.know a lot more about their future jobs 4 c.are more likely to leave university in debt d.have a b

41、etter chance to enter top universities 19.how does owain james feel about the gap-year phenomenon? a.he s puzzled.b.he s worried.c.he s surprised.d.he s annoyed.20.what would most students do on their vacation according to nus statistics? a. attend additional courses. b. make plans for the new term. c. earn money for their education. d. prepare f