2. 外语
  3. The agency,______ to set and enforce health standard for American workers, has been promising a cotton dust standard for several

The agency,______ to set and enforce health standard for American workers, has been promising a cotton dust standard for several

admin2012-03-21  31
问题 The agency,______ to set and enforce health standard for American workers, has been promising a cotton dust standard for several years.
选项 A、which is
B、which it is
C、whose job it is.
D、whose job is
答案C
解析 语法类试题(非限定性定语从句)。应选非限定性定语从句whose job it is…，相当于it is theagency’s job to set and enforce….
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