八年级英语上册Unit2Howoftendoyouexercise第2课时作业课件

第二课时SectionA(3a～3c)Unit2Howoftendoyouexercise?Maybeleastweekendsbusy快速对答案healthy1ⅠCDBAB2345341-5125ⅡⅣⅢ

Ⅴ1-56-10DCDCDBDCAD见内文ABDBC11-15DBDBCⅠ.根据句意用方框中所给词的适当形式填空。Maybeleastweekend，health，busy，least，maybe1．I'mnotsure.________sheisanEnglishteacher.2．—Howlongdoteenagersneedtosleepeveryday?—At________eighthours.3．Theyoungladyteachesthechildrentoplaytheguitaron___________．4．—Whatdoyouthinkofworkingasadoctor?—It'sagoodjobtohelppeoplekeep________．5．IstillkeeptakingexerciseeverydaythoughIam________withsomanysubjects.weekendshealthybusyⅡ.单项填空。()1.—______doyouvisitUncleTom? —Onceaweek.A．HowlongB．HowfarC．HowoftenD．HowsoonC()2.—Who'sthatyoungman? —______he'sTom'suncle，butI'mnot sure.A．StillB．OnlyC．AgainD．MaybeD()3.Idon'tthinkthefoodwasdelicious，but ______itwascheap.A．becauseofB．atleastC．ontimeD．thanksforB()4.Jimstudies______andhe______plays computergames.A．hard；hardB．hard；hardlyC．hardly；hardlyD．hardly；hardB()5.RobertlikestousetheInternetforfunat night，andheusually______late.A．staysupB．goesoutC．putsupD．eatsoutAⅢ.完形填空。 DavidSmith，12，usuallygetsupatabout7：40a．m.Hegoestobed1andonlygetsaboutsevenhoursofsleepeachnight.()1.A.earlyB．soonC．againD．lateD

2wakingupinthemorningisn'teasyforhim.“Ioftenfeel3inclass，”Davidsays.()2.A.BecauseB．IfC．SoD．When()3.A.excitedB．happyC．luckyD．tiredCDChildrenfrom5to12yearsold4atleasttenhoursofsleepeachnight.ButscientistssaythatalotofchildrenacrosstheUSdon'tget5sleep.()4.A.doB．decideC．needD．seem()5.A.popularB．healthyC．wonderfulD．enoughCDEven6ofthemsleeplessthaneighthourseveryday.Whatiskeepingchildren7atnight？WemadeasurveyinDavid'sschool.Wecollectedtheanswersofallthestudentstothis8．()6.A.allB．someC．noneD．each()7.A.gettingupB．cuttingupC．wakingupD．stayingup()8.A.testB．problemC．questionD．matterBDCTheanswersshowthatthebigsleepstealer(偷窃者)isthe9.68%ofthestudentsinthisschoolsaidtheywentonlinebefore10．()9.A.computerB．dictionaryC．magazineD．television()10.A.goinghomeB．goingtoschoolC．goingswimmingD．goingtobedADMostboysandgirlssaidtheyusedthe11tochat(交谈)withfriends.Scientistssayifapersonhasagoodsleep，heorshewill12wellnextday.Ifstudentssleepwellatnight，()11.A.e－mailB．telephoneC．bicycleD．Internet()12.A.danceB．learnC．singD．jumpDB13willdobetterinmathandwritingtests.It's14toolatetochangeyoursleepinghabits.Gotobedearlyandkeepdoingthatforaweek.Thensee15youfeel.Youwillfindyoubecomedifferent.()13.A.weB．heC．sheD．they()14.A.alwaysB．neverC．oftenD．ever()15.A.whatB．whenC．howD．whereDBCⅣ.阅读短文，然后用方框中所给单词的适当形式填空，每个词限用一次。

Earlyrising(早起)ishelpfulinmanyways.1.______，ithelpsustohavegoodhealth.Weallneedfreshair，andtakingmorningexercisesis2.______forourhealth.3._________theairinthemorningisthefreshest.Second，earlyrisinghelps4._____withourstudies.Inthemorning，welearn5.________andFirstgoodhand，popular，one，quick，us，by，morning，get，good，becauseBecauseusquickyfinditeasytolearnsomething6._____heart.What'smore，earlyrisingmakespeopleplantheworkforthedaybetter(更好地)．Wecannotworkwellwithoutagoodplan.Justas，“Weshouldmaketheplanforadayinthe7.___________andtheplanforayearinspring.”Earlyrisinggivesusenoughtime8.___________readyforourwork，suchaswashingour9.________andeatingourbreakfast.Sothe10._________saying(格言)says，“Earlytobedandearlytorisemakesamanhealthy，wealthyandwise.”bymorningto

gethandspopularⅤ.阅读理解。Eatinglotsofvegetablesisgoodforourhealth.Differentvegetablescanhelpourbodiesindifferentparts.Eatingcarrotsisgoodforoureyes，andcarrotscanhelpusseebetteratnight.Doyouwanttohavestrongbonesandteeth？Ifso，youcaneatsomepeas.Peashavevitamin(维他命)Kinthem.VitaminKishelpfultoyourbonesandteeth.Doyoulikeredtomatoes？Theylooknice.Doctorscalltomatoes“healthyvegetables”，becausetheycanstopseriousillnesses(疾病)．TheyalsohaveakindofspecialvitaminP．Itcankeepourskinhealthy.Soitisimportanttoeatsometomatoes.Don'tforgetspinach(菠菜)．ThespinachleaveshavevitaminA，vitaminCandvitaminE．Theycanhelpusdoourjobsbetter.Theyalsohelpredbloodcells(细胞)form(形成)．Vegetablesareveryimportanttous，butwecan'tonlyhavevegetables.Wealsoneedotherkindsoffoodtokeephealthy.【主旨大意】这是一篇说明文，介绍了不同种类的蔬菜对于我们身体的益处。()1.Eatinglotsof______isgoodforoureyes.A．carrotsB．peasC．tomatoesD．spinach细节理解题。根据Eatingcarrotsisgoodforoureyes可知，吃胡萝卜对我们的眼睛有好处。A()2.Thearticleshowsus______kindsofhealthy vegetables.A．threeB．fourC．fiveD．sixB细节理解题。这篇文章主要介绍了胡萝卜、豌豆、西红柿和菠菜叶对身体的好处。()3.V