2022秋九年级英语上册Unit2Colours单元检测卷课件新版牛津版.pptx
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1、单元检测卷(Unit 2)课时训练一、单项选择(10分)1.Which would you like to choose for your PE entrance exam,basketball or football?_.I prefer volleyball.A.Both B.Either C.None D.Neither2.Which club do you prefer to join,the chess club _ the dancing club?A.so B.but C.or D.for D C3.I really cant believe such a wise man ha
2、s made so silly a mistake.Dont you know _ sense is worth more than knowledge?A.general B.usual C.special D.common4.Her smile made me feel warm and lively.It was like a hidden _.A.competition B.interview C.treasure D.tradition D C5.After long years of war,many people in Syria are homeless.I think it
3、important _ a peaceful world.A.build B.not build C.to build D.not to build6.At celebrations people should stop _ fireworks to reduce pollution.A.setting off B.turning off C.taking off D.getting off C A7._ hopes for a sweet home as it provides us with warmth and trust.A.None B.Everyone C.Nobody D.Som
4、ebody8.Sorry,I dont know how many colours there are in a rainbow.Are you joking?This is just _ knowledge.A.natural B.general C.proper D.ancient B B9.(2020常州)A great deal of my time is _ with practicing playing the guitar.A.taken up B.made up C.put up D.set up10.A basketball player has influenced me
5、most.His stories give me much _ to face all kinds of difficulties.A.luck B.wealth C.courage D.decision A C二、完形填空(15分)There are purple clothes,purple handbags,purple bicycles,purple furniture,even purple computers!So purple is one of the most _1_ colours today.But in the past,purple was a very expens
6、ive and unusual colour.Lets take a look at the rich _2_ of the colour purple.Some scientists believe that the first plants to appear on Earth over 500 million years ago _3_ looked purple,not green.Plants today are green because _4_ use green chlorophyll(叶绿素)to produce energy._5_ these early plants p
7、robably used something called retinal,which is a dark purple colour.During the time of Roman Empire(37BC476AD),it was very _6_ to make purple dye(染料).The dye came from sea snails(海螺).But 10,000 dead sea snails _7_ you just one gram(克)of purple dye.as well as a very bad smell!This _8_ purple dye was
8、called Tyrian purple,and it was the preferred _9_ of emperors.In 16thcentury England,purple was _10_ for the kings family members.Queen Elizabeth Is clothes were purple,but ordinary people were not allowed to _11_ the colour.In 1856,William Perkin,an 18yearold _12_ student,noticed something strange
9、while doing an experiment(实验).The chemicals(化学药品)he used to clean his instruments _13_ with the chemicals he used in his experiment and produced a bright purple colour.This _14_ led Perkin to start a company using this chemical mixture to make purple dye.The dye was much _15_ than seasnail dye.Thank
10、s to Perkin,now anyone can afford to wear purple clothes.1.A.peaceful B.popular C.exciting D.serious2.A.history B.style C.research D.product3.A.gradually B.especially C.exactly D.probably4.A.others B.they C.we D.some5.A.And B.So C.But D.Until B A D B C6.A.dangerous B.common C.difficult D.strange7.A.
11、got B.passed C.wasted D.cost8.A.basic B.harmful C.special D.perfect9.A.colour B.smell C.plant D.animal10.A.even B.never C.seldom D.only C A C A D11.A.wear B.sell C.change D.make12.A.Geography B.Science C.Art D.Maths13.A.compared B.mixed C.collected D.kept14.A.survey B.suggestion C.discovery D.exam15
12、.A.healthier B.thicker C.cheaper D.darker A B B C C三、阅读理解(18分)AWhy do zebras have stripes(条 纹)?Scientists might have the answer.They say the stripes seem to confuse flies.They are less likely to bite zebras.Scientists did a new study.They studied horses.They studied zebras.They also studied horses d
13、ressed as zebras.The scientists learned that stripes might help to stop insects.The study also helped find out why.Martin How is a scientist.He worked on the study.He said they watched horseflies.They watched how horseflies acted around nine horses and three zebras.Horseflies flew around the the ani
14、mals and then more flies landed on the horses.Fewer flies landed on the zebras.The scientists wanted to know why.So the scientists did a test.They put black,white and zebrastriped coats on seven horses.The flies did not land on the zebrastriped coat as much as the others.The stripes did not confuse
15、flies from far away,the scientists said.It only worked when the flies got close.The flies cannot see very well.That might be the reason Mr.How said that zebras come from parts of the world where flies are a bigger problem.They carry bad diseases.Horses are different from zebras.They have lived in di
16、fferent environments.Diseases from flies are not so bad there,he said.He added that this might not be the full story.Scientists think stripes could have other uses.They could help zebras.They could even be part of how zebras communicate with each other.1.What does the word“confuse”mean in Paragraph
17、1?A.attract B.puzzle C.clear D.catch2.Scientists put zebrastriped coats on the horses to _.A.see if the stripes keep flies awayB.protect the horses from bad diseasesC.prove that the horses look like zebrasD.keep flies from flying around the horses B A3.What does the underlined word“They”refer to in
18、Paragraph 4?A.Horses.B.Flies.C.Zebras.D.Butterflies.4.Why do scientists want to learn more about zebras stripes?A.Because they want to study zebras living environment.B.Because they want to make new zebrastriped clothing.C.Because they think stripes could help zebras hide or communicate.D.Because th
19、ey think stripes might cause zebras to get serious diseases.B C5.Whats the best title of the passage?A.A Special SurveyB.The Zebra and the HorseC.The Secrets of Zebras StripesD.The Influence of the Environment CBDifferent from common view,blue light may not have a strong bad influence on our sleep a
20、s people thoughtaccording to the scientists from the University of Manchester.Its known that the body clock measures brightness through melanopsin(黑视蛋白)in the eye.So there has been lots of interest in studying the influence of light on the body clock.Researchers changed the lights makeup of short an
21、d long wavelength.This provided a small difference in brightness,as well as changes in color.Findings suggested blue light might be troublesome to our sleep patterns(睡眠模式)In the newest research on mice,however,the team used a different method.They used specially designed lighting to change color wit
22、hout changing brightness.Findings showed that blue colors produced weaker influence than equally bright yellow colors.“The common view that blue light has the strongest influence on the body clock is wrong.In fact,the blue colors have weaker influence than white or yellow light of the same brightnes
23、s.”said Dr.Tim Brown,one of the team members.According to the team,using dim(昏暗的),cooler lights in the evening and bright warmer lights during the day may be better for the healthy patterns of sleep.Twilight(暮光)is both dimmer and bluer than daylight.And the body clock uses both of those features to
24、decide on the proper time to be asleep and awake.Setting our body clocks can be good for our health,and using color correctly could be a better way to achieve that.The findings have important suggestions for the design of lighting and visual displays which can improve peoples sleep patterns.Theres m
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