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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
2、. 方法；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.
3、 保卫，为保卫，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
4、 连用，表示连用，表示 “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
5、的句子中的it是天气是天气, 并不是形式主语。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-conditi
6、oner is in general use 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
7、往全身。心脏的功能是把血液输往全身。2)Nutrientshelpourbody_.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
