浙江省杭州市文澜中学七上Unit 9 单元检测 含答案Word文档下载推荐.docx
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浙江省杭州市文澜中学七上Unit 9 单元检测 含答案Word文档下载推荐.docx
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第一节(共15小题,每小题2分,满分30分)
阅读下列短文,从每题所给的四个选项(A.B.C和D)中选出最佳选项。
A
Ifyouneedglassestoreadthis,youareamongmostofChinesestudents.Aboutfour-fifthsofhighschoolstudentsinChinahavepooreyesight(视力).Andnowmoreandmorechildreninprimaryschoolneedglasses,too.
Twomainreasonscancausepooreyesight:
toomuchtimespentindoorsstudyingandtoolittletimespentoutdoorsplaying.Readingandwritingforhoursandhours,sometimesinpoorlylightedrooms,causeseyesighttoweaken.Butstudentshavetodothisbecausethereissomuchpressureonthemtosucceedinschool.Theyhavelesstimetoenjoythesun.
Thesun,itturnsout,isimportantindevelopinggoodeyesight.AccordingtoastudybyAustralianNationalUniversity,AustralianchildrenandChinesechildrenhavethesamelevelofeyesightbeforetheystartschool,butoncetheyenterprimaryschool,Chinesechildrenonlyspendaboutanhouradayoutside,whileAustralianchildrenspendthreetofourhourseachdayinthesunshine.TheresultisthatwhileaboutfortypercentofChineseprimaryschoolstudentsneedglasses,onlythreepercentofAustralianchildrendo.
Andpooreyesightatayoungagecanhaveseriouslongterminfluence.Asyougetolder,youreyesightcanworsen.
Withallthatinmind,don’tyouthinkit’stimetogiveyoureyesabreak.
16.HowmanyhighschoolstudentshavepooreyesightinChinaaccordingtothereading
A.Ahalfofthem.B.Threepercentofthem.
C.Fortypercentofthem.D.Four-fifthsofthem.
17.Whichcancausepooreyesightaccordingtothereading
A.Likereadingandwritingverymuch.B.Spendtoomuchtimeenjoyingthesun.
C.Spendtoomuchtimeindoorsstudying.D.Startprimaryschoolatayoungage.
18.Whatcanwelearnfromthethirdparagraph
A.Primaryschoolstudyingcanbeveryharmfultoyoungstudents.
B.AustralianchildrenspendmoretimeoutdoorsthanChinesechildren.
C.Afterprimaryschool,childreninChinaandAustraliahavethesameeyesight.
D.FewerChineseprimaryschoolstudentshavepooreyesightthanAustralianones.
B
Haveyoueverheardsomeoneusethephrase”onceinabluemoon”Peopleusethisexpressiontodescribesomethingthattheydonotdoveryoften.Forexample,someonemightsaythathetriestoavoideatingsweetsbecausetheyareunhealthy,butwilleatchocolate”onceinabluemoon”.Orsomeonewhodoesnotusuallyliketogotothebeachmightsay“Ivisittheshoreonceinabluemoon.”Whilemanypeopleusethisphrase,noteveryoneknowsthemeaningbehindit.
Thefirstthingtoknowisthatthemoonitselfisneverreallyblue.Thisisjustanexpression.Infact,thephrase”bluemoon”hastodowiththeshapeofthemoon,notthecolor.
Asthemoontravelsaroundtheearth,itappearstochangeshape.Weassociatecertainnameswithcertainshapesofthemoon.Forexample,whenwecanseeasmallpartofthemoonitiscalledacrescentmoon.Acrescentisashapethatlookslikethetipofafingernailwhenwecannotseethemoonatall;
itiscalledanewmoon.
Whenwecanseethewholemooniscalledafullmoon.Usually,thereisonlyonefullmooneverymonth.Sometimes,howevertherewillbetwofullmoonsinonemonth.Whenthishappens,thesecondfullmooniscalledabluemoon”.
Overthenext20years,therewillonlybe15bluemoons.Asyoucansee,abluemoonisaveryrareevent.Thisfacthasledpeopletousetheexpression”onceinabluemoon”todescribeotherveryrareeventsintheirlives.
19.Whichofthefollowingwouldbeagoodexampleofusingthephrase”onceinabluemoon”.
A.Simonoftentellsjokes.Simontellsjokesonceinabluemoon.
B.Tomrarelyrememberstodoexercise.Tomdoesexerciseonceinabluemoon.
C.Marylikestogoshoppingeveryweekend.Marygoesshoppingonceinabluemoon.
D.Cindyhatestostayup,butshestaysupeveryday.Cindystaysuponceinabluemoon.
20.Whendoesabluemoonhappeninnature
A.Whenthemoonhasabluemoon.B.Whenwecannotseethemoonatall.
C.Whentherearetwofullmoonsinonemonth.
D.Whenwecanonlyseeasmallpartofthecolor.
21.Whichofthefollowingisanotherexampleofsomethingthathasacrescentshape
A.Theletter“O”B.Theletter“M”
C.Theletter“H”D.Theletter“C”
C
Onschoolnights,lotsofkidshavetodotheirreadingbeforetheyareallowedtowatchTV.Prettysoon,youmightgettodobothatthesametime,intrueHarryPotterstyle.
Severalcompaniesareracingtoproduceelectronicpaperandink,completewithcolorsandmovingimagines.OneideawouldbetocreateanewspaperlikeTheDailyProjectintheHarryPotterbooks.Itspageswouldholdvideoclipsofbaseballgamesinsteadofjustblack-and-whitephotos.
Electronicpaperisnotanewide
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