By "...challenges explanation" (Line 2, Para. 1) the author means that______.
A. no explanation is necessary for such an obvious phenomenon
B. no explanation has been made up to now
C. it's no easy job to provide an adequate explanation
D. it's high time that an explanation was provided
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【B10】
A. gladly
B. beautiful
C. friendly
How do clerks deal with the information which comes into an office according to the passage?
A. They put the information into computers.
B. They make decisions on the information.
C. They sort out and classify the information.
D. They send the information to the manager immediately.
From the passage it can be concluded that office work should be ______.
A. imaginary and creative
B. patient and careful
C. exciting and fast
D. accurate and speedy
庆历新政的中心内容是()
A. 减轻徭役
B. 提倡农桑
C. 加强军事
D. 整顿吏治