倍数比较 twice是否可以直接加名词 | 您所在的位置:网站首页 › forexample后直接加名词 › 倍数比较 twice是否可以直接加名词 |
Providing initial evidence that airport are a larger source of pollution than they were once believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'Hare International Airport is twice as much as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area. 正确答案: D |
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