题目内容
20.-Why not open the windows to let ______ cool air in?-I'd rather you didn't.______ air in our city is terribly polluted.( )
A. | /; the | B. | a; the | C. | /;/ | D. | the;/ |
分析 ---为什么不打开窗户让凉爽的空气进来?
---我宁愿你别打开.我们所在城市的空气污染太严重了.
解答 答案选A
第一句"cool air凉爽的空气"中,air是不可数名词并且表示泛指,所以前面不加冠词;后面的air特指我们所在城市的空气,所以用定冠词the.故选A
点评 注意不可数的名词前是否用冠词,分两种情况;
一,如果不可数名词在句中表示泛指,它的前面不用冠词.
Money can't buy everything.金钱并不能买到一切.
二,如果不可数名词在句中表示特指,它的前面就要加定冠词the.
The water in the pool is warm enough to swim in.池子里的水足够暖和可以游泳.
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