Unit 10 Youre supposed to shake hands【学习目标】1、语法：1)be supposed to do的用法2)It is + adj. to do sth2、重难点： 主要谈论东西方的风俗习惯的差异【预习合作探究】1、 In your country, what are you supposed to do when you meet someone for the first time?【解析1】be supposed to do sth 被期望做某事,应该做.1)当主语是人时,表示劝告、建议、责任等=should = be expected to do sthYou are supposed to_( arrive) on time2)当主语是物时，表示“本应；本该”The train was supposed to arrive half an hour ago.【拓展】：be supposed to 与should(1) be supposed是suppose一词的_ 语态结构。后接动词不定式，相当于_ .后接不定式.即：_ . 使用较随便，建议性强。否定式为be not supposed to do sth. 例：To keep safe, drivers arent supposed to drink before driving.A. arent willing to B. shouldnt C. arent sure to D. dont have to(2)should后接动词_ ，属于_ 语态形式，使用起来较严肃和正式；You are not supposed to shake hands.= You shouldnt shake hands.你不应与之握手。【解析2】for the first time 首先，第一次(1) at first = at the beginning 最初，开始 【强调在时间顺序或做某事过程等开始之初】(2) first of all 首先，第一 【表明陈述事情的重要性】2、Youre supposed to shake hands 你应该握手。【解析】shakeshookshaken v 摇动，震动 shake hands 握手 shake hands with sb./ shake ones hands与某人握手3、In the United States, theyre expected to shake hands. 在美国，他们应该握手。【解析】expect v预料 (1) expect to do sth 预计做某事 (2) expect sb. to do sth 期待某人做某事= look forward to doing sth 期待做某事(3) sb. be expected to do sth. 被期望做某事/应该要做某事4、I met a Japanese boy called Sato, and as soon as I held out my hand, he bowed. 我遇到一个叫佐藤的日本男孩，我刚一伸出手，他就鞠了一躬。【解析1】as soon as 一就（引导时间状语从句，从句用一般现在时，主句用一般将来时）【解析2】hold out 伸出； 坚持 hold out ones hands hold out my hand 伸出我的手【形成性检测】I. 单项选择。1)“Henry, you _ tell the teacher if you want to go out of the classroom.” “Sorry, sir.” A. are supposed to B. are surprised to C. are afraid to2) When you want to work for our country in the future, _, we should have strong body and rich knowledge. A. at first B. first of all C. for the first time D. after all3)You look sad. What has happened?Everyone _ us to win the match, but we lost. A. expects B. expectedC. hopesD. Hoped4) Ill go to visit my aunt in England _the summer holidays start. Awhile Bsince C. until D. as soon as5) Your uncle will come to see you as soon as he _ here. A. arrives B. arrived C. will arrive D. is arriving6) Li Lei wanted to tell her everything, but something made him _.A. hold up B. hold back C. hold on D. hold out7) The students ought to wear school uniforms when theyre at school. A. are supposed to B. are allowed to C. would like to D. love to8) Do you remember the day when we met for the _ time?A. first B. one C. once D. firstly9) Speak slowly, Mr. Wang. I cant follow you.A. understand B. hear C. listen D. expect10)When will you return the book to me? Ill give it to you _ I finish it.A. once B. until C. as soon as D. until11) Were supposed _ our voice down in public.A. keep B. keeping C. to keep D. to keeping12) Its dangerous for us_ with wild animals. Ato play BPlaying Cplay DplayedII. 词形转换。1) I expect the group _(sing) pop songs.2) Youre supposed to shake _ (hand) when you meet your friends. 3) As a student, I know I am _(suppose) to study hard. 4) What _ you _ (suppose) to do when you meet someone for the first time in America?