冀教版九年级英语上Unit5 Look into Science单元练习含答案.docx
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冀教版九年级英语上Unit5LookintoScience单元练习含答案
Unit5LookintoScience单元练习
一、单项选择
1.Fatherwon'tallowmetoplayoutside Iwashupthedishes.
A.ifnotB.ifC.unlessD.because
2.Canyou it?
Ididn'tfollowyoujustnow.
A.repeatB.rememberC.replyD.report
3.---Ohno!
WhatcanIdowithmycomputer?
---PressEnterandfollowtheon-screen(屏幕) .
A.collectionB.instructionsC.educationD.questions
4.Isuggest nextweek.
A.gomountainclimbingB.willgomountainclimbing
C.togomountainclimbingD.goingmountainclimbing
5.Thisgroupis ofsevenmen.
A.madeB.madeupC.helpwithD.connectwith
6. thekidhasnoparents, hisgrandparentslookafterhimwell.
A.Asthough;/B.Asthough;but
C.Eventhough;/D.Eventhough;but
7.Ifyou thebook,you'llfindsomethingsurprising.
A.turndownB.turnonC.turnoffD.turnover
8.Bettywenttothemuseumandsawmanypictures weredrawnbyafamousperson.
A.thatB.whoC.whatD.whom
9.I'llremembertheoldbuildings Ivisitedinthevillage.
A.whereB.whichC.whoD.what
10.---Iwanttofindapartnertopracticerollerskating.
---MyfriendFredisaperson mayhelpyoualot.
A.whichB.whoseC.whoD.whom
二、完形填空
Technologyhasmadelifemucheasierforchildrentoday.Itis11 forthemtoplay,tolistentomusic,andto12 intouchwiththeirfriends.13 thehelpoftechnology,thereseemstobenothingthatchildrencan'tdonow.
Technologyalsohelps14 toknowmoreabouttheirchildren.Forexample,ifachildisgivenamobilephonewithatracking(追踪)device,hisparentscanfindout15 heisgoingwiththehelpofthemobilephone.
However,therearealsosomebad16 oftechnology.Forexample,ithasbecomeeasierforbadpeopletogetintouchwithchildrenwiththehelpoftechnology.Theycanfindpersonalinformationaboutchildrenthroughspecialwaysonthe17 .Soitisveryimportantforparentsto18 theirchildrentokeeppersonalinformationsafewhilesurfingtheInternet.
Besidesthis,thereisanotherbadthingabouttechnology.Childrennow19 lesstimedoingexercisethanbefore.Theyaretoo20 playingonlinegames.Theycanevenplaycomputergamesalldaylong.Ifyoudon'tpushthemoutofthedoor,theywon'tvolunteertogooutandplay.Thisisnotgoodfortheirhealth.
Therefore,teachingchildrentherightwaytomakegooduseoftechnologyisveryimportant.
11.A.easierB.moredifficult
C.moreimportantD.harder
12.A.loseB.makeC.keepD.contact
13.A.ForB.UnderC.WithD.Over
14.A.teachersB.friendsC.parentsD.classmates
15.A.whenB.whomC.whyD.where
16.A.sidesB.placesC.choicesD.winds
17.A.phoneB.TVC.radioD.Internet
18.A.teachB.learnC.punishD.lend
19.A.payB.takeC.costD.spend
20.A.lazyB.freeC.busyD.hard-working
三、阅读理解
A
Whatshouldyoutakeinwithyouwhenyoutakeanexam?
Pen,pencil,eraser,ruler…,anddon'tforgetabottleofwater!
AccordingtoastudyattheBritishPsychological(心理学的)SocietyAnnualConferenceheldinLondon,studentswhobringwaterintoexamsmayimprovetheirgradesbyupto10percent.
ScientistsattheUniversityofEastLondonandtheUniversityofWestminster,UK,didastudyon447students.Thestudentswerestudyingfordifferentdegrees(学历)attheUniversityofEastLondon.Only25percentofthementeredtheexamhallwithsomethingtodrink.
Scientiststhencomparedtheirexamresultswiththeirnormalschoolworkgrades.Theyfoundthatallthosewhohadbroughtdrinkswiththemgotbettergradesbybetween2and10percent.
Itisunclearwhydrinkingwaterimprovesexamresults.Butscientistssayhavingenoughwaterinourbodiesandnotfeelingthirstycouldhaveahelpfuleffectonourbrains.Drinkingwatermayalsocutdownonanxiety(焦虑),whichhasabadeffectonexamperformances,accordingtoChrisPawson,PhD,oftheUniversityofEastLondon.
"Whatevertheexplanation,itisclearthatstudentsshouldtryhardtostayhydrated(含水的)withwaterduringexams,"hesaid.
Sonexttime,whenyouaregoingtohaveabigexam,trybringingabottleofwaterwithyou.Whoknows—itmayhelpyoupasstheexam!
21.Howmuchmaythestudentsimprovetheirgradesmostiftheybringwaterintoexams?
A.By2%.B.By8%.C.By10%.D.By25%.
22.Howmanystudentsinthestudygotbettergrades?
A.About112studentswhobroughtdrinksorwaterintotheirexams.
B.Allthe447studentswhocomefromtheUniversityofEastLondon.
C.About300studentswhotookpartinthestudy.
D.About10percentofthestudentswhostudieddifferentsubjects.
23.Theunderlinedphrase"cutdownon"probablymeans .
A.increaseB.bringC.reduceD.change
24.Accordingtothepassage,howdoeswaterhelpstudentsinexams?
a.Itis