Managers everywhere should read (11) ............book carefully,
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or when they do try to solve (9) ............,
A. them
B. these
C. those
............told their readers to dress well,
A. It
B. They
C. We
............valuable minute to make sure they got there.
A. some
B. all
C. every
在建设项目职业病危害风险分类目录中,污水处理及其再生利用属于职业病危害()。
A. 严重的行业
B. 较严重的行业
C. 一般的行业