9b unit2 welcome to the unit and comic strip(正式课件)

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1、WelcometotheunitUnit2RobotsFreetalkDoyoulikerobots?Whyorwhynot?Wouldyouliketobuyarobot?Whyorwhynot?3.Doyouthinkrobotsareclevererthanhumans?Whyorwhynot?Wehavealreadyusedrobotsinmanyindustries(行业),becausetheycanfinishrepeatable(可重复的)workexactly(精确地)andtheycanalsodosomedangerouswork.Somelangua

2、gepoints1)complainvi抱怨complaintn.不满，控诉complain(tosb./sp)about/ofsth./=complainabout/ofsthtosb/spe.g.她向我诉说他的噪音。Shecomplainedtomeofhisnoise.我们没什么可抱怨的。Wehavenothingtocomplainof/about.随堂p19二（9）need做情态动词1.need+do(肯定）2.needn’t+do(否定）注意：need做情态动词时，不存在过去式和第三人称单数。need做实义动词1.need/needs/needed+todo(肯定

3、句）2.don’tneed/doesn’tneed/didn’tneed+todo(否定句).2)need:常用作实义动词，意为“需要”，后常接动词不定式。例：你看上去很累。你需要好好休息一下。Youlooktired.Youneedtohaveagoodrest.如果你不舒服，你就不必来。Youdon’tneedtocomeifyoufeelsick.他有必要知道这件事吗？Doesheneedtoknowanythingaboutit?need做实义动词1.need/needs/needed+名词（人或物均可）（肯定句）2.don’tneed/doesn’tneed/did

4、n’tneed+名词（否定句）practise随堂p19二（10）综合need和complain用法随堂p20newwordsReadandactWhatcanarobotdo?cookdinnerwashthedishessweepthefloordothelaundryironshirtsmakethebedknoweverythingremembereverythingwelllookafterchildrenexploredangerousplacescookdinnerironshirtsmakethebedwashthedishesdothelaundryswee

5、pthefloorknoweverythingremembereverythingwellexploredangerousplaceslookafterchildrenReadandreciteWhatcanarobotdo?Arobotcandoallthehousework.Itcan(1),(2),(3),(4),(5)and(6).cookdinnerdothelaundryironshirtsmakethebedsweepthefloorwashthedishesArobotcanalso.Childrenallliketoplaywithrobots.lookaf

6、terchildrenArobotcanbeateacher.It_________________and____________________________.Itcanhelpmewithmyhomework.knowseverythingrememberseverythingwellItcanalsohelpscientists______________________,liketheseaandouterspace.exploredangerousplacesExercises完成下列句子1.她埋怨房间太小了。Shetheroombeingtoosmallforh

7、er.complainsofRobotscanhelpMumdothewhentherearedirtyclothes.2.当有脏衣服的时候机器人能够帮助妈妈洗衣服laundryHedoesn’tneedhomenow.3.他现在不需要回家togoIhavenomachinesinmyhome4.我家没有洗衣机washing