人教版高中英语必修四unit2全课件

1.strugglevt.&vi.&n.斗争，拼搏，努力，挣扎struggletodosth.艰难地做某事，挣扎着做某事Hestruggledtoearnaliving.strugglefor为……而斗争Youmuststrugglefoprfreedom.strugglewith/against与……作斗争，同……搏斗Wehavetostrugglewith/againstallkindsofdifficulties.我们得和各种各样的困难作斗争。struggletoone'sfeet挣扎着站起来•Hestruggledtohisfeet.2.disturbinga.引起烦恼的，令人不安的disturbeda.感到不安的，烦恼的disturbancen.disturbvt.打扰I’m____thatsomanystudentsareilliterate.Sorryto_____you,ButIhaveanurgentmessage.Thereisa_____increaseinthecrimerate.Thecomputerindustryhasexpandedgreatlyduringthelastdecade.expansionn.扩张，扩展expansivea.广阔的，易扩张的，易膨胀的3.expandvi.扩大，增加，增强vt.使变大，使增强，阐述4.circulatevt./vi.循环，流传circulationn.（液体，空气等）循环，流通；（报纸或杂志的）发行量Swimminghelpstogetthebloodcirculating.游泳有助于血液循环。Thenewspaperhasadailycirculationof5,5000.这份报纸每日的发行量是5.5万份。5.thanksto由于，多亏是介词短语，在句中作原因状语，常置于句首或句末。thanksto表含有感激之意。，weaccomplishedthetaskintime.多亏你们的帮助，我们及时完成了这项任务。6.rid…of…使……摆脱，除去Ridahouseofmice清除室内老鼠。=getridofsb./sth.getridofmice.7.satisfyvt.使…满意satisfyinga.主语是物satisfieda.主语是人besatisfiedwith对...满意Iamsatisfiedwithyourscoreintheexam.satisfactionn.Toone’ssatisfaction使某人满意的是8.equipvt.&vi.装备；配备；使有准备；使有资格equipsb./sth.withsth.用…装备…Theroomsareequippedwithvideocameras.Weshouldequipuswithknowledgerightnow.equipmentn.装备，设备(不可数名词)9.occupationn.工作；职业；占领occupyvt.占用1.占用，占有（房屋、土地等）Thebuildingoccupiedhisland.2.（军事）占领（国家、阵地等）Theenermyoccupiedalltheland.3.占据，充满（时间、空间、某人的头脑等）这与takeup相似Workwilloccupyyourmidandridyouofhim.4.occupyoneselfindoingsth/withsth忙着做某事，忙于某事Heoccupiedhimselfindoinghomework.beoccupiedindoingsthHeisoccupiedindoinghomework.5.担任某职，居某地位Mr.OliveroccupiesanimportantpositionintheMinistryofForeignAffairs.奥利佛先生在外交部充任要职10.regretvt.遗憾；惋惜n.遗憾；懊悔toone'sregret让某人感到遗憾的是Tohisregret,hehasn'tfinishedtheworkontime.regretdoing/havingdonesth.后悔做了某事Heregretedleavingwithoutsayinggoodbye.=Heregredtedhavingleftwithoutsayinggoodbye.regrettodosth.(常和tell，say，inform等词连用)对将要做某事表示遗憾Weregrettotellyounotrainswillruntoday.regretthat+从句遗憾……•Heregretedthathedidn'twinherheart.11.focussth.onsth.集中……于……Focusyourattetion/mind/effortsonsth.Shetriestofocushermindonstudy.focuseda.集中注意力的Stayfocusedifyouwannawinthecompetition.12.reducevt.缩减，减少，降低•reducesth.to...减少到……Shereducedherweightto50kilos.•reducesth.by...减少了……Shereducedherweightby6kilos.reductionn.缩小；减少13.keep…freefrom/of…使免受（影响，伤害等）Abalanceddietkeepsyoufreeof/fromillnesses.平衡的饮食让你远离疾病。keep...fromdoing使（某人）不做某事Ihopeyouwillkeepfromdoinganythingrash.我希望你不要做出任何鲁莽的事情来。keepsbdoing让某人一直做某事Hekeptmedoinghomework.ApoemFarmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.Warmingup1.Haveyouevergrownanyplants?Ifso,whatdidyoudotogrowthem?Ifnot,whatkindofplantwouldyouliketogrow?Howwillyougrowit?Whatdoyouknowabout“farming”?wheatsorghumricecornPotatoesStaplefoodselecttheseedsploughthesoilturnoverthesoilsowtheseedsremovetheweedsfertilizefarmingstepsplowthefieldgrowsomeyoungplantsinserttheyoungplantsintothefieldharvestricePre-reading(4ms)Answerthefollowingquestions:WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?Rice.Itissaidthatthereare2.4billionpeopletoeatriceeverydaythroughouttheworld.1.Whenandwhodidbecomethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput?2.WhatdidYuanLongpinginvent?In1973,YuanLongpingHybridriceTask1Skimming袁隆平被誉为中国的“杂交水稻之父”.中国农民说，吃饭靠“两平”，一靠邓小平----制定了生产承包责任制的政策，二靠袁隆平----发明了杂交稻。袁隆平，男，１９３０年９月出生于北京，１９５３年毕业于西南农学院农学系。毕业后，一直从事农业教育及杂交水稻研究。在中国人民正闹饥荒的20世纪60年代，袁隆平提出了杂交水稻的概念，这种新型水稻具有高产量的特点。10年后，他研制成功了一种产量比一般水稻高出20%的新型水稻。袁隆平一生献身于农业研究，先后受到联合国教科文组织、粮农组织的称誉。袁隆平虽已年届７０岁，仍然一如既往地从事农业研究。袁隆平人物简历Task2ScanningFindoutthemainideaofeachparagraph.APIONEERFORALLPEOPLEMatchthefollowingheadingswiththerightparagraphs.Para.1DrYuan’sappearanceandhisachievementTask3CarefulreadingQ1:WhatdoesDrYuanlooklike?Hehasasunburntfaceandarmsandaslim,strongbody.Heismorelikeafarmerthanascientist.Q2:Whatishisachievement?Hegrowswhatiscalledsuperhybridrice,whichmakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.TrueorFalse:1.DrYuanismoreafarmerthanascientist.2.DrYuan’sriceisthemostsuitableforChina’sfarmland.FTPara2HisbiographyBorninBeijingSouthwestAgricultureCollegeHungerwasagreatproblemSawthegreatneedforincreasingthericeoutput200milliontonsproducedCirculatinghisknowledgea.Hewasbornintoapoorfarmer’sfamily.b.HegraduatedfromSouthwestAgriculturecollege.c.In1950,Chinesefarmersproduced5.5billiontonsofrice.d.20billontonsofricewasproducedbygrowinghishybridrice.e.Hesearchedforawaytoincreasericeoutputswithoutexpandingtheareaoffields.f.Hehelpsridtheworldofhungerbycirculatinghisknowledgeinlessdevelopedcountries.Properorder:acbedfPutDrYuan’sbiographyinrightorder.DrYuan’sbiographyWhichofthefollowingdescriptionaboutDrYuan’spersonalityisnottrue?A.Heissatisfiedwithhislifebecauseheisnowrichandfamous.B.Hecareslittleaboutmoneyandfame.C.Hewouldratherworkthanleadacomfortablelife.D.Heenjoysasimplerlifethanmostrichandfamouspeople.Para.3DrYuan’spersonalityHisdreamsPara41)Thefirstdream2)TheseconddreamProduceakindofricethatcouldfeedmorepeople•Ashugeasapeanut•Thefirstdream•Astallassorghum•AsbigasacornToexporthisriceso