冀教版九年级英语上Unit5 Look into Science单元练习含答案.docx

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