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问题
单项选择题
抗癫痫药().
A.四环素
B.反应停
C.氯霉素
D.新生霉素
E.磺胺
答案
参考答案:
B
选择题
A new cinema ______ here. They hope to finish it next month.
A. will be built
B. is built
C. has been built
D. is being built
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填空题
集中联锁车站的进站色灯信号机的关闭时机是当列车()越过该信号机后。
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