题目信息
Though the law will require emissions testing of all diesel vehicles, from tractor trailers to excursion buses, it will have no effect on sport utility vehicles, almost all of which are gasoline powered, and will not be subjected to emissions-control standards as stringent as they are for diesel-powered vehicles.
A:powered, and will not be subjected to emissions-control standards as stringent as they are for
B:powered, and therefore not subjected to emissions-control standards that are as stringent as those of
C:powered and therefore not subject to emissions-control standards as stringent as those for
D:powered, which are not subject to emissions-control standards as stringent as they are for
E:powered and therefore they are not subject to emissions-control standards as stringent as those of
参考答案及共享解析

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已选答案:
正确答案:
C:powered and therefore not subject to emissions-control standards as stringent as those for
①powered, and not subjected to 两个动词单纯用and并列,暗示两个动作是独立的,相互没有关系,加上therefore 表明了两者之间的因果关系,所以BCE更好,AD不好(不好不是必错)
②as stringent as those of 不对,前面没有of结构或者’S所有格结构,所有those of 没有指代,BE错
③ emissions-control standards as stringent as they are for,they指代 emissions-control standards,虽然好像看起来没错,因为they没有别的修饰,但是逻辑上明显是两个不同的 emissions-control standards,所以they 不好(不确定是不是必错),AD不好
④which are其实指代不到 gasoline powered,因为 gas


题目来源
GWD