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1、山东省高密市八年级英语《M3U2Wehaven’tfoundlifeotherplanetsyet.》学案（无答案）人教新目标版一、Learningaims1.Graspthekeywordsandkeystructures:Planet,solar,none,environment,galaxy,,billion,universe,,light,beyond,alone,entrance,prefer2.Presentperfecttensewithjust,alreadyandyet.3.Readingskill:Tounderstandpassagesabou
2、tspacetravelinvolvingpresentperfecttense.二、一）单词检测1.Theearthisap____andweliveonit.2.Scientistshavediscoveredmanyothergalaxiesintheu____.3.ScientiststhinkthattherehasbeenlifeonEarthform____ofyears.4.L____travelsmuchfasterthansound.5.Ab____is1.000,000,000.6.Ifyoudon’twanttogoa____(单独),I’l
3、lgowithyou.7.I____(喜欢)appleswhenIwasyoung.8.Somespacecraftshavegoneb____（在---之外）thesolarsystem.9.YangLiweiisafamous_________(宇航员)ofourcountry.10.Theyhave__________(发现)manykindsofplantsintheforest.11.Wehaven’tseeneachother_______(最近).12.MyfatherwatchesTVtogetthe______(最新的)news.13.The___
4、___(地球)goesroundtheSun二）词组互译1.protecttheenvironment5.太空站2.sth.cost(sb.)somemoney6.环绕3.theentranceto…7.我们星系的一小部分4.severalbilliondollars8.太阳系三、精讲点拨•1.take/spend/cost/paytake常见的用法有以下几种：1）Ittakessb.+time+todosth.2）doingsth.takessb.+time•spend的主语必须是人，常用于以下结构•1）spendtime/moneyonsth.2）spendti
5、me/money(in)doingsth.•cost的主语是物或某种活动，还可以表示“值”，常用于以下结构：•1）sth.costs(sb.)+money2）(doing)sth.costs(sb.)+time•pay基本用法：•1）pay(sb.)moneyforsth.付钱（给某人）买……•2)payforsth.付……的钱3)payforsb.为某人付钱2.preferv.更喜爱，宁可，宁愿•prefersth.tosth.与……相比，更喜欢…preferdoing/todo喜欢做……•preferdoingtodoing•(=prefertodorather
6、thando=wouldratherdothando)与……相比，更喜欢做……•eg.Ipreferbananastoapples.与苹果相比，我更喜欢香蕉。•Ipreferwalkingtocycling,我宁愿步行也不骑自行车。2用心爱心专心•Iprefertowalkratherthan(to)cycle.=Iwouldratherwalkthancycle.我宁愿步行也不骑自行车。跟踪练习•1.买自行车花了我300元。•Thebike_____me300yuanyesterday.•I______300yuan______thebike.•It_______
7、_____300yuan____________thebike.•I______300yuan______thebike.•I______300yuan______thebike.四、能力提高：完成句子•1.许多科学家认为地球上存在生命有上百万年，•Manyscientiststhinkthere_________lifeonEarthfor__________years.•2.地球围着太阳转。•Theearth________thesun.3.科学家在宇宙中发现了其他一些星系。Scientists________manyothergalaxiesintheun
