人教版英语八年级下Unit1快乐学案1Unit1Willpeoplehaverobots知识点讲解与练习一、aloneadj.&adv.与lonely1.=byoneself独自的/地；孤独的/地；独立的/地eg,Helikeslivingalone.Imendedthebikealone.2.andnoother只有。唯有(跟在名词或代词后面)eg,MrSmithaloneknowswhathappened.Youalonecanhelpmeinthework.注意：alone强调客观上“独自，单独一人”。lonelyadv.1.作表语。其意思为“孤单”eg,Hefeelslonely.(作表语)2.作定语，修饰表示处所的名词。eg,Theoldmanlivesinalonelymountainvillage.注意：alone强调客观上的“独自。单独一人”,而lonely除表示“单独”外，还带有感情色彩，形容失去朋友，缺乏友爱和帮助，感到寂寞、甚至悲哀，它只能做形容词，在句中做表语，也可做前置定语，用于地点时，意为“荒凉的，偏僻的”eg,Thoughtheoldmanisalone,hedoesn’tfeellonely二、probablyadv.很可能，或许，大概eg,Probablyhemayknowtheway.(放句首)Heisprobablyabout50yearsold.(放在系动词后面)Iprobablydidn’ttryhardenough.(放在谓语前面)It’llprobablyrain.(放在助动词后面)ableadj.1.有能力的，能干的eg,Myfatherisanableengineer.2.用于beableto结构，后跟动词原形。eg,Jimisn’tabletocometonightbecauseheisill.三、beableto与can：相同点：两者后跟原形动词。区别：1.can是情态动词，无人称与数的变化。过去式是could.beableto可与情态动词连用，can却不能。eg,IshallbeabletospeakEnglishwell.2.beableto可用在不定式之后，而can却不能。eg,IhopetobeabletogoshoppingwithyouonSunday.3.beableto的过去式还有表示过去经过努力而做到的意思，而could没有这种意思。eg,Hestudiedhardandwasabletopasstheexam.4.can表示请求和允许，以及猜测，而beableto却无此用法。eg,MrSmithcan’tbeathome.CanIcarryyourbag?5.当表示现在或过去的“能力”时，两者可通用。eg,Noonewasableto/couldanswerthequestion.课堂小考场1I.用lonely或alone填空：1.Don’tleavethebaby____________athome.2.Whenhiswifeandtwolittlechildrenlefthim,hewasvery_____________.3.Ineverfeel____________becauseIhavealotoffriendshere.4.Peter______________canlearnthetextbyheartII.用所给词的适当形式填空：1.Thetrainhas_____________left.(probable)2.Theboyhadanaccidentandwas____________hurt.(terrible)3.Thisisa__________storyabouthim.(truly)III.用beableto或can的适当形式填空:1.Hetriedhardand______________swimacrosstheriver.2.I________________finishtheworknextweek.3.Mylittlebrother_____________________rideabikewhenhewasonlysixyearsold.4.I______not_________________gotoworkforthreeweeks.5._______yousingordancewhenyouwerefiveyearsold?6.Iwanttojointhewritingclub.I____________________writearticles.争当小小翻译家。•1.Insomesciencefictionmovies,peopleinfuturehavetheirownrobots.在一些科幻想小说电影中，人们将来有他们自己的机器人。•2.Somescientistsbelievethattherewillbesuchrobotsinthefuture.一些科学家们相信将来会有这样的机器人。•3.Scientistsarenowtryingtomakerobotslooklikepeople,anddothesamethingsasus.科学家们试着制造和人一样的机器人能像我们做一样的事.••4.Hethinksthatitwillbedifficultforarobottodothesamethingsasaperson.他认为机器人像人一样做同样的事会很难.••5.It’seasyforachildtowakeupandknowwheretheyare.对一个孩子来说,醒来和知道在哪里是很简单的.•6.Theythinkthatrobotswillbeabletotalktopeoplein25to50years.他们认为在20到25年中机器人就会与人交谈.•7.Peoplewouldnotliketodosuchjobsandwouldgetbored.人们不愿意做这些令人厌倦的工作.••8.Inthefuture,therewillbemorerobotseverywhere,andhumanswillhavelessworktodo.在将来,到处会有更多的机器人,人们将会有较少的工作去做.••9.Thatmaynotseempossiblenow,butcomputers,spacerocketsandevenelectrictoothbrushesseemimpossibleahundredye...
