九年級英語全冊 Unit 13 We’re trying to save the earth Section A（3a-4c）課件 新人教版.ppt

1、Section A(3a-4c),任務,任務:預習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,任務,To develop laws,I think its a great idea that you now pay for plastic bags in some stores. 我認為現(xiàn)在有些商店里塑料袋付錢是個非常好的主意。 pay for意為“付費;付出代價”。如: She paid three dollars for a

2、 hamburger. 她花了三美元買了一個漢堡包。,辨析 pay,cost,spend,take都有“花費”之意,但用法不同: (1)pay表示花費金錢,主語是指人的名詞或代詞。其常見用法如下: pay (sb.) money for sth.。如: I pay the host 1,000 yuan for this house every month. 我每月付給房東1000元房費。 pay for sth.。如: You have to pay for the lost book. 你必須為丟失的書賠錢。 pay for sb.。如: Dont worry!Our boss will

3、pay for us. 別擔心!我們的老板會為我們付錢的。,pay sb.。如: Do they pay you every month?他們每月付你錢嗎? pay money back。如: May I borrow 12 yuan from you?Ill pay it back next week. 我可以借你12元嗎?我下周還。 pay off ones money。如: He has paid off all his debts.他還清了所有的債務。,(2)cost表示花費時間或金錢,主語是事物或某種活動。其常見用法如下: sth.cost(s) (sb.)+ money。如: Th

4、is second-hand computer cost me 1,200 yuan. 這臺二手電腦花了我1200元。 (doing) sth.cost(s) (sb.)+time。如: Doing the housework costs me much time every day. 每天做家務花費我很多時間。,溫馨提示 cost的過去式及過去分詞都是cost,并且不能用于被動語態(tài)。 (3)spend表示花費時間或金錢,主語必須是指人的名詞或代詞。其常見用法如下: spend time/money on sth.。如: Girls usually spend a lot of money o

5、n clothes. 女孩通常在衣服上面花費很多錢。 spend time (in) doing sth./spend money on sth.。如: The workers spent more than two years(in)building this bridge. 工人們用了兩年多的時間建這座橋。,(4)take表示花費時間,后面常跟雙賓語。其常見用法如下: It takes/took sb.+ some time +to do sth.。如: It took them nearly five years to finish the project. 他們用了近五年的時間完成這個項目。 doing sth.takes/took sb.+