Lesson17详解.ppt

Lesson 17Do Mistakes Matter?Yanxia middle school Gaoqian Pardon n.v.原谅；宽恕 Mistake n.错误 Make a mistake犯错误 Bruce布鲁思 Confused adj.迷惑的；糊涂的 Confusing adj.莫名其妙的；难以理解的 Warming up Have you ever paid too much for something? What did Li Ming buy for Bruce? Why did Bruce pay more for two pops than Li Ming What would you do if you found 100 yuan? Why do people need money? Listening task: True or False Bruce and Li Ming were at home. Bruce paid two yuan for two pops. In Australia People don’t change their prices!. Reading task: answer the questions Where are they walking? They were walking on the street. Who was thirst first? Li Ming was. What did they buy? Two pops. Why did Bruce confuse? Because he paid two yuan for one pop yesterday, but Li Ming two yuan for two pops. Language notes They see a man who is selling pop. 他们看到一个正在卖汽水人 是定语从句,修饰 a man 1. 定语从句如果修饰人，常常用关系代词who，有时也用that(作主语时多用who)。例如： 　　He is a man who / that often helps others. 他是一位经常帮助别人的人。 　　如果这个关系代词在从句中作宾语， 就应当用whom或that， 但这种情况往往都可以把引导词省略，且在口语中可用who代替whom。例如： 　　Here is the man (whom / that / who) you would like to see. 这就是你想见的那个人。 　　 　　2. 定语从句如果修饰“物”，用关系代词that的时候较多，有时也用which。例如： 　　It\s a computer which / that costs six thousand yuan. 这是一台价值六千元的电脑。 　　当这个代词在从句中用作宾语时，往往都会把它省略。例如： 　　The present (that / which) you gave me is very beautiful. 你给我的那件礼物非常漂亮。 You got two pops for two yuan. 你两元买了两瓶汽水。 I paid two yuan for one pop.我两元钱买了一瓶汽水. for[表示等价、报酬、 赔偿或比例关系] 交换 sell for a dollar 以一美元卖掉 I paid twenty yuan for the dictionary. 我花了20元买这本词典。 I bought this set of coffee cups for $20. 我花了20美元购买这套咖啡杯。 I asked him how much it costs for one pop.我问他一瓶子汽水多少钱. cost vi. vt.估价；估计……的成本；要价；价值（若干） How much did that bag cost? 那个书包要多少钱？ 【拓展】： cost n.成本，费用 cost price成本价格 The cost of living is going up. 生活费用在提高。 代价；价格 The cost of the house was too high for me. 对于我来说，这房子的价格太高了。 He saved his daughter at the cost of his life. 他以牺牲自己的生命挽救了女儿。 I paid two yuan for one pop. pay vt. vi.付款；支付；缴纳 He paid $5 for the book. 他买这本