高中英语必修4知识点讲解

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1、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.Evenasmallsuccessgivesyouase

2、nseofachievement.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： Weshouldpaymoreattentiontothepo

3、orlivingunderthebadconditions. 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：Iwillcomeonconditionth

4、atPeterisinvited.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：Hehasdevote

5、dhiswholelifetobenefitingmankind.Thegirl,towhomhewasdevoted,diedinatrafficaccidentbychance.Afterhehasretired,hewilldevotehimselftogardening.4.behave【课文原句】Janehasstudiedtheseanimalsformanyyearsandhelpedpeopleunderstandhowmuchtheybehavelikehumans.(P2)【名师点拨】behavevi

6、&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】Buttheeveningmakesitallwort

7、hwhile.(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】

8、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：Iobservedthema