九年级英语全册Unit13We’retryingtosavetheearthSectionA（3a_4c）课件（新版）人教新目标版.ppt

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1、Section A(3a-4c),任务,任务:预习Section A 3a,完成下面的表格。,southern China,catch sharks,cut off,throw them back into,70 million,over 90 percent,任务,To develop laws,I think its a great idea that you now pay for plastic bags in some stores. 我认为现在有些商店里塑料袋 付钱是个非常好的主意。 pay for意为“付费;付出代价”。如: She paid three dollars for

2、a hamburger. 她花了三美元买了一个汉堡包。,辨析 pay,cost,spend,take都有“花费”之意,但用法不同: (1)pay表示花费金钱,主语是指人的名词或代词。其常见用法如下: pay (sb.) money for sth.。如: I pay the host 1,000 yuan for this house every month. 我每月付给房东1000元房费。 pay for sth.。如: You have to pay for the lost book. 你必须为丢失的书赔钱。 pay for sb.。如: Dont worry!Our boss will

3、 pay for us. 别担心!我们的老板会为我们付钱的。,pay sb.。如: Do they pay you every month?他们每月付你钱吗? pay money back。如: May I borrow 12 yuan from you?Ill pay it back next week. 我可以借你12元吗?我下周还。 pay off ones money。如: He has paid off all his debts.他还清了所有的债务。,(2)cost表示花费时间或金钱,主语是事物或某种活动。其常见用法如下: sth.cost(s) (sb.)+ money。如: T

4、his second-hand computer cost me 1,200 yuan. 这台二手电脑花了我1200元。 (doing) sth.cost(s) (sb.)+time。如: Doing the housework costs me much time every day. 每天做家务花费我很多时间。,温馨提示 cost的过去式及过去分词都是cost,并且不能用于被动语态。 (3)spend表示花费时间或金钱,主语必须是指人的名词或代词。其常见用法如下: spend time/money on sth.。如: Girls usually spend a lot of money

5、on clothes. 女孩通常在衣服上面花费很多钱。 spend time (in) doing sth./spend money on sth.。如: The workers spent more than two years(in)building this bridge. 工人们用了两年多的时间建这座桥。,(4)take表示花费时间,后面常跟双宾语。其常见用法如下: It takes/took sb.+ some time +to do sth.。如: It took them nearly five years to finish the project. 他们用了近五年的时间完成这个项目。 doing sth.takes/took sb.+ some time。如: Repairing this car took him the whole afternoon. 修理这辆汽车用了他整个下午的时间。,