LifeonMarsWhatdomanypeoplethinkofthelifebytheyear2100?Theybelieve____________________________bytheyear2100.(that)wewillliveontheplanetMarsWhowilldomostoftheworkonMars?Peoplethink_______________________mostofourwork.Andtheyaresure________________timefortheirhobbies.(that)robotswilldo(that)theywillhaveObjectclausesintroducedby‘that’Peoplethink(that)robotswilldomostofourwork.Manypeoplebelieve(that)wewillliveontheplanetMarsbytheyear2100.Manypeoplearesure(that)theywillhavemoretimefortheirhobbies.Fromthesentences,weknow(that)anobjectclausecanbeputaftersome_______,suchas‘think’,‘believe’,‘know’,oraftersome___________,suchas‘sure’,‘certain’.verbsadjectivesManypeoplebelieve(that)wewillliveontheplanetMarsbytheyear2100.(改为否定句)Manypeopledon’tbelieve(that)wewillliveontheplanetMarsbytheyear2100.Manypeoplebelieve(that)wewillnotliveontheplanetMarsbytheyear2100.√Wealwaysput‘not’before‘think’and‘believe’.Trytofindoutwhetheritisanobjectclauseornot.1.TheseplantswillproducefoodandoxygenthatweneedtoliveonMars.2.ScientistswilldevelopplantsthatcangrowonMars.3.PeoplethinkthathumansonMarshavetowearspecialbootstomakethemselvesheavier.4.WeallknowthatMarsisaplanetinthesolarsystem.5.ThejourneytoMarscouldtakeonlyaveryshorttimeinspaceshuttlesthattravelathalfthespeedoflight.6.SomescientistsdonotbelievethatthejourneytoMarswillbeverycomfortable.CananyplantsgrowonMarsnow?Wedon’tknow/arewondering/arenotsure______________________________________onMars.if/whetheranyplantscangrowManypeoplearesurethatsomeplantscanproduceenoughwateronmars,aren’tthey?No,nobodyissure__________________________________________________onMarsornot.whetheranyplantscanproduceenoughwaterWedon’tknow/arewonderingif/whetheranyplantscangrowonMars.NobodyissurewhetheranyplantscanproduceenoughwateronMarsornot.Fromthetwosentences,weknowthatwecanuse______or__________tointroduceanobjectclausewhenitexpressesa‘yes/no’question.ifwhetherWhenweseetheword‘or’,wecanonlyuse‘whether’.CananyplantsgrowonMarsnow?Wedon’tknow/arewonderingif/whetheranyplantscangrowonMars.Weusethesamewordorderasinastatement.Correctthesentence;IslivingonMarssafe?Afterreadingthebook,TomwaswonderingifislivingonMarssafe?livingonMarswas1.WilltransportonMarsbemuchbetterthanonEarth?Areyoucertain______________________________________________________________________?2.IsgravityaproblemfortheearlytravelersonMars?Canyoutellme____________________________________________________________________?3.DoesittakeverylongtotravelfromEarthtoMars?Doyouknow____________________________________________________________________?if/whethertransportonMarswillbemuchbetterthanonEarthif/whethergravityisaproblemfortheearlytravelersonMarsif/whetherittakesverylongtotravelfromEarthtoMars4.AremanypeoplegoingtomovetoMars?Canyoutellme_____________________________________________________?5.DidtheUSAsendaspacerobotontoMarslastyear?Doyouknow_______________________________________________________?if/whethermanypeoplearegoingtomovetoMarsif/whethertheUSAsentaspacerobotontoMarslastyearHelpDanielfinishhisdiaryaboutwhathehasfoundaboutlivingonMarswith‘that’,‘if’or‘whether’.Doyoubelieve________manwillbeabletoliveontheplanetMarsinthefuture?Scientistsareworkinghardtomakethisdreamcometrue.However,theyarestillnotsure______wecouldgrowplantsonMars.Also,manyscientiststhink_______gravityisaproblemforthefirstsettlers.Theyallagree_________thejourneytoMarswillnotbecomfortable.Therefore,Iamwondering________therewillbemanypeoplewillingtomovetoMarsornot.thatif/whetherthatthatwhetherHomework:Translatethefollowingsentences.1.MissWangtoldme_________________________________(地球绕着太阳转).2.LiFengsaid__________________________________(他去过上海三次了).3.Iwanttoknow_____________________________.（他是否跟我们一起去公园）4.Ihear_____________________________________.（一小时后他会回来）5.Maryasked__________________________________.(我是否完成我的作业了)6.Lilysaid_______________________________(她在看杂志)whenIcalledher.7.Ibelieve________________________________(Tom正忙着在网上搜信息呢).8.Thetwinssaid_____________________________（他们将参加运动会）thenextweek.
