Unit 3 Words and Expressions（ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、必修二unit3 The InternetWords and expressions(I)本单元知识点目标1.Learn the following language points：convenient，benefit，distance，divide，access，go through.(重点重点)2.Learn the following sentence structures：withn.to do，特殊疑问词特殊疑问词how动词不定式动词不定式(重点难点重点难点)本真教育 释放天性 博古通今 放眼世界本节课重点1.convenient2.benefit3.distance4.divide

2、重点单词背诵：1.词性及意思 2.拼写 3.固定搭配 4.词性转换 重在运用1.convenient adj.方便的；近便的方便的；近便的eg.The family thought it was more convenient to eat in the kitchen.这家人认为在厨房吃饭更方便。It is convenient for sb.to do sth.某人方便做某事词性转换convenience n.便利；方便at ones convenience在某人方便的时候for convenience为了方便(实用)for the convenience of sb.为了方便某人 注意：

3、(1)convenient作表语时，不能用表示人的名词或代词作主语，且在It is convenient for sb.to do sth.结构中介词for不能用介词of代替。(2)convenience意为“方便；便利”时为不可数名词，意为“便利的事物或设施”时，为可数名词。The Internet makes it _(convenience)for us to get in touch with each other.互联网使得我们相互联系方便了。Would it be convenient for you _(leave)tomorrow?你明天走方便吗？I keep my refer

4、ence books near my desk for _(convenient)为了方便我把参考书放在书桌旁。convenientto leaveconvenienceExercises2.benefit n益处益处 vt.使受益使受益 vi.得益于得益于eg.You need people working for the benefit of the community.你们需要为社区谋福利的人。(1)benefit sb./sth.使某人或某物受益benefit from/by 从中受益/获益(2)for the benefit offor ones benefit为了的利益be of

5、benefit to有益于；对有好处have the benefit of得益于词性转换beneficial adj.有利的；有益的be beneficial to(be of benefit to)对有益；对有利 The soldier lost his life _ the benefit of his motherland.这名士兵为了祖国的利益献出了生命。Doing exercise every day is of great benefit _ health.天天做运动对健康有好处。fortoExercises3.distance n距离距离eg.The distance would

6、nt be a problem.距离不成问题。in the distance在远处from a distance从远处at a distance隔一段距离；在稍远处at a distance of 在远处keep sb.at a distance 与某人保持一段距离；对某人冷淡、疏远词性转换distant adj.遥远的；冷漠的 _ the distance，we could see a high tower.在远处，我们能看到一座高塔。One can see the ancient ruins _ a distance of 20 miles.人们从20英里之处就能看到这个古老废墟。Her

7、father advised her to keep the fellow at _ distance.她父亲劝她疏远那家伙。InataExercises4.divide v(使使)分开；分割；分担分开；分割；分担eg.England can be divided into three main areas.英格兰被分为三个主要的区域。divide into 把分成divide sth.between/among 在之间分配某物；由分享某物divide A by B 用B除AAs the work can be divided _ several people，it can be done q

8、uickly.因为工作可以由几个人共同分担，所以可以做得很快。He divided the apple _ halves and shared them with his partner.他把苹果分成了两半，与他的同伴分享了。Exercisesamongintodivide/separate区别本真教育 释放天性 博古通今 放眼世界1.convenient1.词性及意思2.词性转换3.固定搭配2.benefit1.词性及意思2.词性转换3.固定搭配 3.distance1.词性及意思2.词性转换3.固定搭配4.divide1.词性及意思2.词性转换3.固定搭配本真教育 释放天性 博古通今 放眼世界Thank you