单项选择题


Questions 8 and 9 are based on the following news.
Who are NOT mentioned as people more likely to he exposed to lead

A．Automobile mechanics.
B．Painters.
C．Waiters.
D．Heavy equipment mechanics.
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单项选择题
Interviewers nowadays are asking questions that are going to
A．get at more specific things.
B．get at more general things.
C．get at more personal things.
D．get at more public things.
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