高中英语必修4知识点讲解 　　必修4Unit1Womenofachievement知识点讲解 　　重点词汇 　　1.achieve 　　【课文原句】Shehasachievedeverythingshewantedtodo…(P3) 　　【名师点拨】achievev.意为“完成；达到”,指经过长期努力而达到某目标、地位或标准等.其名词形式为achievement,意为“成就；功绩”,asenseofachievement可指“成就感”.如： 　　Hehadfinallyachievedsuccess. 　　Evenasmallsuccessgivesyouasenseofachievement. 　　2.condition 　　【课文原句】Shehelpedimproveprisonconditionsandgaveprisonersworkandeducation.(P1) 　　【名师点拨】condition意为“环境；境况；条件”时,是可数名词,常用复数形式conditions；意为“状态；状况”时,是不可数名词,beingoodcondition表示“处于良好的状态”,beoutofcondition表示“健康状况不佳”.如： 　　Weshouldpaymoreattentiontothepoorlivingunderthebadconditions. 　　Theastronautssoongotusedtotheconditionofweightlessness. 　　Mycarisoldbutingoodcondition. 　　Heisoverweightandoutofcondition. 　　【知识拓展】condition意为“条件”时,常用短语onconditionthat,表示“如果；在……条件下”；在美国英语中,也经常用undertheconditionthat.如： 　　IwillcomeonconditionthatPeterisinvited. 　　Theyagreedundertheconditionthatthematterbedealtwithquickly. 　　3.devote 　　【课文原句】ShedevotedallherlifetomedicalworkforChinesewomenandchildren.(P1) 　　【名师点拨】devotevt.意为“投入于；献身”,其宾语后常与介词to搭配,to后接名词、代词或动名词.devote…to…意为“献身；致力于”,指把自己、时间、精力等奉献给某种工作或事业.如： 　　Hehasdevotedhiswholelifetobenefitingmankind. 　　Thegirl,towhomhewasdevoted,diedinatrafficaccidentbychance. 　　Afterhehasretired,hewilldevotehimselftogardening. 　　4.behave 　　【课文原句】Janehasstudiedtheseanimalsformanyyearsandhelpedpeopleunderstandhowmuchtheybehavelikehumans.(P2) 　　【名师点拨】behavevi&vt.意为“举动；举止；行为表现”,如behavewell/badly等.其名词形式为behaviour,指“行为；态度；举止”.如： 　　Theparentsencouragedthechildrentobehavewellinfrontoftheguests. 　　Mycamerahasbeenbehavingwellsinceitwasrepaired. 　　Everyonepraisesthechildren'sgoodbehaviour. 　　5.worthwhile 　　【课文原句】Buttheeveningmakesitallworthwhile.(P2) 　　【名师点拨】worthwhileadj.意为“值得做的；值得出力的”,可作表语或定语.beworthwhiletodo/doingsth表示“值得做……”,在动词-ing形式的结构中,worthwhile有时可以用来替代worth,特别是在表示“值得花时间”这一概念时.如： 　　Ithinkteachingschoolisalwaysaworthwhilejob. 　　Thebookreferredtobytheprofessorisworthwhile/worthreading. 　　6.observe 　　【课文原句】Janespentmanyyearsobservingandrecordingtheirdailyactivities.(P2) 　　【名师点拨】observevt.意为“观察；观测；遵守”,可用observesbdosth,observe+that从句.其名词形式为observation.如： 　　Iobservedthemanwhomurderedtheboyentertheshop. 　　Heobservedthatweshouldprobablyhaverain. 　　Mostinformationwascollectedbydirectobservationoftheanimals’behaviour. 　　7.argue 　　【课文原句】Shehasarguedforthemtobeleftinthewildandnotusedforentertainmentoradvertisements.(P2) 　　【名师点拨】argue作动词时,意为“争论；争吵；争辩”.arguefor意为“为……辩护”；arguewithsbabout/oversth指“就某事和某人争论”；argueagainst意为“据理反对；争辩……”.如： 　　Itisnousearguingfortheplanbecauseithasbeenrejected. 　　Wearealwaysarguingwitheachotheraboutmoney. 　　Fatherarguedfiercelyagainstanyincreaseinexpenditureforthechildren’sannualparty. 　　【知识拓展】argue