高中英语人教版课件必修4Unit2Period2Vocabulary

unit2workingthelandvocabulary31、掌握本单元重要单词和短语。2、知道这些重要词汇在语境中的具体使用。本课首先应用课文词汇复述袁隆平的事迹，达到重现关键词汇的目标。然后对本单元的重点词汇进行拓展和实际操练，最后通过竞赛的形式，把学过的词汇活用到各个语境中，竞赛题型设置了多种题型，有英英释义，中英释义，语境填空等。在复述课文时，给出关键词汇，有助于学生回忆与应用。接下去通过填空，选择，举例等形式让学生运用重点词汇，结合具体的语境，让学生能灵活运用。最后采用竞赛形式，让学生通过小组合作，呈现词汇巩固的效果，学生通过合作学习的方式，弥补个体学习的不足，并在竞赛中更好的巩固词汇和增强小组荣誉感，变枯燥的词汇学习为有趣的小组合作学习。ReviewwhatwehavelearntaboutYuanLongpingreferringtosomekeywordsconsiderhimselfafarmer/sunburnt/worktheland/strugglefor/superhybridrice/ahighoutput/hunger...adisturbingproblem/rid...of/twiceaslargeas/besatisfiedwith/wouldrather/dreamfor...。单元重点词汇理解：1YuanLongpingconsidershimselfafarmer,forheworksthelandtodohisresearch.consider把(某人，某事)看作/认为…eg:Weconsideritashame.Iconsideritgoodtogetupearly.【知识拓展】1consider（认为）sb.toas/tobe+adj/n.2consider（考虑）doing/whattodo3takesth.intoconsideration顾及到某事,考虑到某事1.Theyhavebeenconsidering____theproblem.A.toworkoutB.workoutC.workingoutD.workedout2.IconsiderTom____thefinestbasketballplayertoday.A.tobeB.beingC.wasD.be3.Ourmonitor____tobeanhonestman.A.considersB.isconsideringC.wasconsideredD.hasconsideredCAC2.…forwhomhehasstruggledforthepastfivedecades.……过去五十年来，他一直在努力帮助他们。strugglevi./n.斗争；拼搏；努力eg:Hehasstruggledwithsicknessforafewmonths.数月来他一直在与疾病作斗争。【拓展】struggletodosth努力做某事struggleagainst/with与……做斗争strugglefor为争取……而斗争struggletoone'sfeet挣扎着站起来【操练】1She__________________________(挣扎着站起来)andcontinuedwalking.2Theyhadto____________________(与...作斗争)weatherandwildanimals.3Whatidealswillyoufightand__________________(努力争取)struggledtoherfeetstrugglewith/againststrugglefor3.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.[拓展]rid还可用作形容词,构成get/beridof,意为“丢弃,扔掉;摆脱,除去”。如：Let’sgetridofthisoldfurniture.Wewillbegladtogetridofhim.1)thanksto:幸亏/由于Thankstoyourhelp,Ipassedtheexam.2)rid…of意为“(使)摆脱,(使)除掉”,rid(rid/ridded,rid,ridding)Sheistryingtoridherselfofadependenceondrugs.Youshouldridyourselfofthebadhabits.=Youshouldgetridofthebadhabits.4.DrYuanisquitesatisfiedwithhislife.besatisfiedwith:对……感到满意eg:Oneshouldn’tbesatisfiedwithonlyalittlesuccess.satisfy:v.使……满意，赔偿eg:Ihadtoexplainthereasonstosatisfyhiscuriosity.[拓展]satisfactionn满意withsatisfaction满意地toone'ssatisfaction使某人满意的是satisfying令人满意的satisfactory令人满意的【操练】1___________withwhatIsaid,motheragreedthatIcouldgoswimming.2Theeducationsystemmust_____________theneedsofallchildren.3Muchtomy___________,thebosswasquite_____________withwhatIhaddone.Hesaidmyworkwasvery___________________Satisfiedsatisfysatisfactionsatisfiedsatisfactory[用法2]:wouldratherhavedonesth.表示主语要做某事，而结果却事与愿违。I’dratherhaveleftanoteonherdesk.我本想留张字条在她的书桌上。(事实上没有)7.Hewouldmuchratherkeeptimeforhishobbies.wouldrather:宁可;宁愿wouldratherdosth.eg:Theywouldrathergofishingthanstayathome.他们宁愿去钓鱼,也不愿待在家里。Iwouldratherfailthancheatintheexamination.我宁愿考不及格,也不愿意考试作弊。[用法1]:wouldrather…than…宁愿……而不……,与其……不如IwouldratherwatchTVathomethangotothecinema.[用法4]:wouldrather后面也可跟从句表示主语宁愿某人做某事。这时,从句谓语应用虚拟语气,即用一般过去时表示现在或将来要做的事;用过去完成时表示已经做过的事或过去要做的事。[用法3]:would…ratherthan…=wouldrather…than…Facingtheenemies,oursoldierswoulddieratherthansurrender.面对敌人,我们的战士宁死不屈。Ratherthanrefusetohelpyou,Iwouldborrowmoneyfrommyfriends.我宁可向朋友借钱,也不愿拒绝帮助你。eg:I’dratheryouhadn’ttoldhimthenewsthatday.1—DoyoumindifIopenthewindow?—_____.Ifeelabitcold.A.Ofcoursenot.B.I’dratheryoudidn’t.C.Goahead.D.Whynot?答案:BI’dratheryoudidn’t.(我宁愿你不要去做)用来表示比较客气的阻止或拒绝。2Wewouldratherourdaughter__________athomewithus,butitisherchoice,andsheisnotachildanylonger.AwouldstayBhasstayedCstayedDstayC8confuse动词,表示“把(某人)弄糊涂;使迷惑”,“搞乱;混淆”。如:1).Theyaskedmesomanyquestionsthattheyconfusedme.他们问我那么多问题把我都弄糊涂了。2).MyChineseandEnglishbooksareconfusedtogether.我的中英文的书籍混在一起了。3).Hewasconfusedbyastrangeidea.他被奇怪的念头弄糊涂了。4).Pleasedon’tconfuseAustraliawithAustria.别把澳大利亚和奥地利混淆了。【拓展】confusionn.混乱;慌乱;混淆confusing和confused辨析:这两个词都是由confuse转化而来的形容词。confusing(difficulttounderstand;puzzling),强调事物本身所具有的性质;confused(unabletothinkclearly)”,强调人对某事物的感受。9regret在句中作动词,意为“为……感到遗憾;后悔;惋惜”。如：Ididn’tregretthechoiceIhadmade.我做了这个选择并不后悔。Iregrettosaythatwecan’tstayhereanylonger.我很遗憾,我们不能再在这儿多呆了。Sheregrettedhavingmissedthefilm.她懊悔没能看上那场电影。【拓展】regrettodosth表示“遗憾地要……”，后面的动词常是say,tell,speak,inform等;regretdoingsth表示“后悔做过……”;toone’sregret令人遗憾的是---Robertisindeedawiseman---Oh,yes,HowoftenIhaveregretted________hisadvice!AtotakeBtakingCnottotakeDnottakingDturnto求助于，转向10…manycustomersarebeginningtoturntoorganicfarming.Itriedtostandonmyowntwofeetratherthanturnedtomyparents.Wecanturntohimforhelp.turnon打开，开启turnoff关掉turndown调小turnup调大turnagainstsb./sth.转而讨厌、反对某人某事turnouttobe最后果，最终成为turnintosth.使......变成turnin交还，交回turnback掉转头turnover翻转CompletethepassagewiththefollowingwordsdisturbingexpandoutputstrugglebattlegraincropsdecadeequipInthepast__________,someofthefarmersinthewestofChinahavemetwithsomesuccessinthe________againstthe_________desert._________withnewscientificfarmingmethods,theyhavebeenabletouselessfarmlandthaninthepast.Their________of__________andother__________,however,isstillthesame,whichmakesitpossibleforthemtousetheremainingfarmlandforplantingtrees.Theseandotherfarmersarestartingtowinsmall__