Question

Women , to air pollution before giving birth to a baby, are more likely to give birth to children with heart defects, researchers reported on December 29.

A. exposed B. exposing

C. are exposed D. are exposing

Answer 1

A

【解析】

试题分析：试题分析：考查省略句的用法。如果主句的主语和从句的主语一致，并且谓语动词是系动词的情况下，从句就可以把主语和系动词都省略。所以全句应该为：Woman, (who are）exposed to air pollution before giving birth to a baby。本题意为：根据十二月九号的报道，女人，在生孩子之前受到空气污染的影响，将有更大几率产下患有心脏缺陷的儿童。故这道题应该选A项。

考点：考查省略句的用法。