高中英语人教版必修三课时作业Unit2PeriodFour

PeriodFourGrammar&WritingⅠ.用must或haveto，need的适当形式填空1．Idon’tlikethisTVset.We________buyanewone.2．ThisTVsetdoesn’twork.We________buyanewone.3．WhenIchangedmyjob，I__________movetoanotherflat.4．IpromisedIwouldbeontime.I________belate.5．LastnightPaulbecameillsuddenly.We__________callthedoctor.6．I________gototheshopstoday.Thereisnotplentyoffoodinthehouse.7．You________smokeinanon­smokingroom.8．We________drivefast；wehaveplentyoftime.9．You________drivefast；thereisaspeedlimithere.10．We________dothewholeexercise.Tenexerciseswillbeenough.Ⅱ.完成句子1．Theteachertoldthestudentsthatthey________________________________________________________________(不应该在课堂上沉默不语)．2．You________________________________________(就得不到我的支持)ifyoudosuchathing.3．—Iwaitedforthetrainfor2hoursatthestationthismorning.—Well，you________________________________________________(本来没有必要去那么早的)．4．“You________________________________(千万不要再喝酒了)，”thedoctorwarnedhim.Ⅲ.单项填空1．Whentheoldmanwasalive，he________sitforhoursatthedoor.A．wouldB．couldC．mustD．might2．Ourhouseisontopofthehill，andinwinterthewinds________beprettycold.A．mustB．oughttoC．canD．need3．—ThewomanbiologisthadstayedinAfricastudyingwildanimalsfor13yearsbeforeshereturned.—Oh，dear！She________alotofdifficulties!A．maygothroughB．mightgothroughC．oughttohavegonethroughD．musthavegonethrough4．—DoyouknowwhereDavidis？Icouldn’tfindhimanywhere.—Well.He________havegonefar—hiscoat’sstillhere.A．shouldn’tB．mustn’tC．can’tD．wouldn’t5．You________failtopasstheCollegeEntranceExaminationsifyoudon’tstudyharder.A．shallB．couldC．mustD．should6．Ithasbeenannouncedthatallthestudents________putonmasks(口罩)beforegoingtoschoolincasethey’reinfectedwithSARSvirus.A．shallB．willC．needD．may7．Allthepeoplestartedearlysothatthey________thereintime.A．gotB．wasgettingC．couldgetD．mustget8．—Youknowthatyouweredriving100kmanhour，don’tyou?—No，officer，I________.Thiscardoesn’tdomorethan80.A．maynothavebeenB．couldn’thavebeenC．mustn’thavebeenD．shouldn’thavebeen9．—Ididn’tgotoworkyesterdayafternoonbecausemycarbrokedown.—You________mine.Iwasn’tusingit.A．mightborrowB．couldhaveborrowedC．canhaveborrowedD．oughttoborrow10．—IsawAnnieinthesupermarketyesterday.—You________her；sheisstillstudyingabroad.A．mustn’tseeB．can’thaveseenC．mustn’thaveseenD．couldn’tsee11．—Tom，didyouseethefilm“Jaws”lastnight?—Yes，butIreally________，becauseIhadlotsofworktodo.A．couldn’thaveB．mustn’thaveC．needn’thaveD．oughtn’ttohave12．—WhereisJack？Ican’tfindhimanywhere.—He________hishomeworkupstairs.A．mighthavedoneB．musthavedoneC．mustbedoingD．mustdo13．—Idon’tmindtellingyouwhatIknow.—You________.I’mnotaskingyouforit.A．mustn’tB．maynotC．can’tD．needn’t14．We________haveprovedthegreatadventure，butwehavedonethegreatestmarchevermadeinthepast10years.A．needn’tB．maynotC．shouldn’tD．mustn’t15．Ihavelostoneofmygloves.I________itsomewhere.A．mustdropB．musthavedroppedC．mustbedroppingD．musthavebeendroppedⅣ.阅读理解Yourbody，whichhascloserelationswiththefoodyoueat，isthemostimportantthingyouown，soitneedspropertreatmentandpropernourishment(营养)．Theoldsaying“An_apple_a_day_keeps_the_doctor_away.”isnotassillyassomepeoplethink.ThebodyneedsfruitandvegetablesbecausetheycontainvitaminC．Manypeopletakeextravitaminsinpillform(丸剂)，believingthatthesewillmakethemhealthy.Butagooddietismadeupofnourishingfoodandthisgivesallthevitaminsyouneed.Thebodydoesn’tneedoruseextravitamins，sowhywastemoneyonthem?Inthemodernwesternworld，manypeoplearetoobusytobotherabouteatingproperly.Theythrowawaythegoodhabitsandthrowanythingintotheirstomachs，eatinghurriedlyandcarelessly.Theillnessescausedormadeworsebybadeatinghabitsisfrightening.1．Fromthefirstsentenceweknowthat________.A．themoreyoueat，thebetteryouwillfeelB．yourbodyismadeupofthefoodyoueatC．whatyoueathasgreateffectonyourhealthD．allkindsoffoodyoueatcanbemadeintonourishment2．HowdoyouunderstandtheoldsayingunderlinedinParagraph1?A．Doctorsarenolongernecessaryifweeatanappleeveryday.B．Eatingapplesregularlybringslotsofbenefitstoourhealth.C．Theappleisthebestamongallkindsoffruits.D．Anappleisagoodwaytocureillnesses.3．WhatcanweconcludefromParagraph2?A．Ofteneatingapplesisagoodhabit.B．Ourbodiesneedfood，orwecan’tlive.C．Takingextravitaminpillsiscompletelyuseless.D．Agooddietisofgreatimportanceforourhealth.4．Ifwewanttokeephealthy，weshould________.A．eatproperlyB．onlyeatanappleadayC．takeasmanyvitaminpillsaspossibleD．throweverythingintoourstomachsslowlyandcarefullyⅤ.书面表达你的美国笔友Kate不喜欢按时吃饭，却难以抵制各种垃圾食品的诱惑，请你给她写一封建议信，告诉她健康饮食的重要性。___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________