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1、人教版高二英语必修四人教版高二英语必修四Unit4vocabuaryUnit4vocabuaryLearningaims1.To learn some important words and expressions.2.To master the usages.3.To be able to use them correctly.4.approach v.走近；靠近；接近走近；靠近；接近 你必须悄悄地走近那只鸟你必须悄悄地走近那只鸟,否则它会飞走的。否则它会飞走的。You must approach the bird very quietly or it will fly away.n.方法；
2、接近；通路；途径方法；接近；通路；途径anapproachto(doing)sthShehasdevelopedanapproachtoteaching(teach)alanguage.通往这房子的路是一条狭窄的小径。通往这房子的路是一条狭窄的小径。The approach to the house was a narrow path.at the approach of winter 冬季将临的时候冬季将临的时候be easy of approach 容易到达容易到达;容易接近容易接近 on the approach of death 临死的时候临死的时候5.defend v.保卫，为保卫，
3、为辩护辩护他们为保卫祖国而奋斗。他们为保卫祖国而奋斗。They fought to defend their country.当那条狗袭击我的时候，我用棍子自卫。当那条狗袭击我的时候，我用棍子自卫。When the dog attacked me,I defend myself with a stick.defence n.保卫，防御保卫，防御In defence of 保卫，保卫，为为 辩护辩护他们为保卫祖国而奋斗。他们为保卫祖国而奋斗。They fought in defence of their country.defence/defend 常与常与against 连用，表示连用，表示“
4、对抗，抵御对抗，抵御”一件厚衣服足以御寒。一件厚衣服足以御寒。A thick coat is a good defence against cold.我们的职责是保卫祖国不受敌人的侵犯。我们的职责是保卫祖国不受敌人的侵犯。Our duty is to defend the country against the enemies.6.likely 常用于常用于sb./sth.is likely to do sth.It is likely that英语不能说英语不能说:its likely to do sth.It is likely to rain.(句子中的句子中的it是天气是天气,并不是形
5、式主语。并不是形式主语。)主语既可以是人也可是物主语既可以是人也可是物票可能很贵。票可能很贵。Tickets are likely to be expensive.It is likely that tickets are very expensive.你觉得他会来吗？你觉得他会来吗？Do you think he is likely to come?7.general 1).adj.普遍的，全面的普遍的，全面的A matter of concern/interest 普遍（公众）关心普遍（公众）关心/感兴趣的事情感兴趣的事情Air-conditioner is in general use
6、now.2).总的，整体的总的，整体的general idea of the passage In general大体上大体上,通常通常,总的来讲总的来讲=Generally speakingIn general,he is a good guy.总的来说，他是个好人。总的来说，他是个好人。frankly speakinghonestly speaking8.function(c):作用，作用，功能，职能功能，职能(vi.)运行运行,运转；运转；起作用起作用1)._istopumpbloodthroughthebody.心脏的功能是把血液输往全身。心脏的功能是把血液输往全身。2)Nutrien
7、tshelpourbody_.营养帮助身体很好的运转。营养帮助身体很好的运转。3)Thebrainperformsaveryimportantfunction;itcontrolsthenervoussystemofthebody.4)SomeEnglishnouns_verbs.英语中有些英语中有些名名词可作动词用。词可作动词用。functionas起某物的作用起某物的作用Thefunctionoftheheartfunctionwellfunctionas=playsaveryimportantroleSummary1.represent2.becuriousaboutsth3.theapproachtosth4.defendagainst/indefenceof5.sb/sthislikelytodosth6.ingeneral/generallyspeakingHomeworkFinishtheexercisessectionIonKeshixunlian.结束结束