题目内容
12.In many big cities in the world,the overuse of cars is considered one of the major causes of air pollution.( )A. | for | B. | by | C. | to | D. | as |
分析 在世界上的许多大城市里,过度使用汽车被认为是造成空气污染的主要原因之一.
解答 答案D.for为了;对于;by在…旁边;表示方式; 由于; 经过;to 向,朝着; 到;关于;as作为,以…的身份; 如同;结合句意"被认为…",需使用短语be consider as…,介词as符合句意,故答案选D项.
点评 考查介词词意及用法辨析.准确掌握介词的词意、介词固定短语结构是保证解题正确的关键.本题中as 也可以换成to be结构.
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