Book 2 Unit 2 The Olympic Games Period 3 Language points in Warming up and Reading (II) 编者：李兴兵 修编：毛彦芳 导学目标 1.学习并掌握词汇 host, responsibility 的用法 2.学习强调句型的基本结构及特殊结构并灵活运 自主合作探究 1. host vt.做东；主办 ；招待 n．主人；东道主；(广播或电视节目的)主持人 品味典例： Does anyone want to host the Olympic Games？(P10) 会有人想承办奥运会吗？ Our host brought in some more wine. 主人又拿了一些酒进来。 London is the host city of the 30th Olympic Games. 伦敦是第30届奥运会的主办城市。 归纳拓展： host city主办城市 host team主队 guest team客队 hostess n．女主人；(广播或电视节目的)女主持人 小试牛刀：完成句子 ① Don't worry，I'll help you to _____.不用担心，我帮你招待客人。 ② _____ is a great honor and a great responsibility for a country. 对一个国家来说，举行奥运会是一种荣誉和责任。 ③China is_____ of the 29th Olympic Games.中国是29届奥运会的东道主国家。 2. responsibility n．责任；职责；责任心；义务 品味典例： It's a great responsibility but also a great honour to be chosen. (P10) 被选中不仅要承担巨大的责任同时也享有极大的荣誉。 It's my responsibility to take good care of my family. 照顾好家庭是我的责任。 Now that you are already 18 years old，you should take responsibility for what you have done. 既然你已经十八岁了，你应该对你的行为负责。 归纳拓展： a strong sense of responsibility强烈的责任感 take responsibility for sth./doing sth.对……负责任 responsible adj.有责任的，负责的 be responsible for对……负责(担义务) 活学活用：完成句子 ① One should _____ what he has done. 一个人应为他所做的负责。 ② He is a person with _____.他是一个有强烈责任感的人。 3. There's as much competition among countries to host the Olympics as to win Olympic medals. (P10) 国与国之间争取奥运会承办权的竞争就跟争夺奥运奖牌一样激烈。 品味典例： Mary is as beautiful a girl as Daisy. 玛丽和黛西是一样漂亮的女孩。 His eyes aren't quite as blue as they look in the film. 他的眼睛不像在电影里见到的那么蓝。 My dictionary is twice as thick as yours. 我的字典是你的两倍厚。 归纳拓展： (1) as＋形容词或副词原级＋as表示同级比较，意为“和……一样”。其中第一个as是副词，第二个as是连词，常用于引导一个比较状语从句，从句中常省略与主句相同的成分。否定句时第一个as可用so代替。 (2 ) 当as...as中间有名词时，结构是：as＋形容词＋a(n)＋单数名词＋as；或as＋many/much＋名词＋as。 (3) 用表示倍数的词作修饰语时，倍数放在第一个as的前面。其结构是：倍数＋as＋adj./adv.(原级)＋as。 小试牛刀：完成句子 As for computers，the boy has _____ an adult(does)． 关于计算机，这个男孩知道的知识和成人一样多。 ② This is _____ that one. 这是一本和那本一样有趣的书。 ③ Petrol is _____it was a few years ago in China.在中国汽油是几年前的三倍贵。 4. replace vt. 取代；替换；代替 品味典例： Teachers will never be replaced by computers in the classroom.课堂上电脑永远不会取代老师。 Can anything replace a mother's love? 有什么东西能代替母爱吗？ They are replacing the old windows with double glazing. 他们正在用双层玻璃窗替换旧窗户。 归纳拓展： replace sb.as取代……而成为…… replace sb./sth.with/by 用……替换 ... ...
