大桥外语新概念I-随堂笔记89-90Word文件下载.doc

1、 She has moved to London since 2001.2. worth prep. 值钱 prep. 相当于价值，值钱How much is the necklace worth?这条项链值多少钱？ prep. 具有价值；值得be worth doing 值得The book is worth reading.这本书值得阅读。扩展知识：prove ones worth 证明某人的价值3. cost v. 花费（cost-cost）The coat costs $30.How much does this house cost?4. （1）pound n. 英镑The hous

2、e is 68,500 pounds.（2）penny n. 便士（单数） 例如：every penny of it 一分钱一分货This coat is worth every penny of it.这件衣服确实值这么多钱。 扩展知识：1英镑=100便士Difficulites辨析1. 辨析：take:花费（时间） It takes me two hours to do my homework.spend:表示“花费（时间）”时，固定搭配为：spend+一段时间+（in） doing sth. I spend two hours （in） doing my homework. 表示“花费（

3、金钱）”时，固定搭配为：spend+钱+on sth. I spent 10 dollars on that book. 此时常与pay for区别 I paid 10 dollars for that book.cost:主语为某物，通常强调该物品的价格。 The book cost me 10 dollars.那本书花费我十美元。Grammar语法1. 现在完成时（四）since和for 的用法及区别如下：-since+时间点（表示起点的时间）-since+从句（时间状语从句，从句多为过去时）-since+一段时间+ago-for +一段时间 I have been here since

4、3 oclock. She has learned English since she was five years old. I have been ill since three days ago. She has been away for three days.2. how long就for,since引导的时间状语提问I have been here since 3 oclock. （就划线部分提问） How long have you been here? She has been away for three days. （就划线部分提问） How long has she been away? A proverb No smoke without fire. _