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问题 单项选择题 A1型题

无机汞的最后蓄积脏器为（）

A.肾脏

B.脾脏

C.骨骼

D.肝脏

E.血液

答案

参考答案：A

选择题

中国人自行设计和施工的第一条铁路干线是[ ]

A．京张铁路

B．京汉铁路

C．淞沪铁路

D．滇越铁路

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单项选择题

Questions 27～30

A. Their lecturer-student ratio is not reasonable.
B. Their staff is not interested in helping students.
C. Their lecture halls are not well equipped.
D. Their degrees are not accepted by employers.
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