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问题 单项选择题

STCW公约规定：负责值班的高级船员或组成值班的部分船员应在24小时内具有至少不少于多少小时的休息时间？（）

A.6小时；

B.8小时；

C.10小时；

D.12小时。

答案

参考答案：C

填空题

阅读短文，用动词的适当形式填空。

    Brain is a school boy. He's twelve. He __1__ (live) in Shanghai now. He __2__ (be) from England. He

  studies in a junior middle school. He gets up at half past five every day. He __3__ (have) breakfast at

 seven after that, he goes to school with his friends. They __4__ (have) four classes in the morning and two

  in the afternoon In the everning he__5__ (do) his homework at home, but he often watches TV on

 Saturday evening. Brain likes __6__ (draw). He and his friends __7__ (join) an art club. He likes reading

  story books. Now he is reading an English book in his room.
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单项选择题

患者，女性，35岁，背痛1月余，伴消瘦、乏力和盗汗。检查T7-8有压痛及叩击痛，为明确诊断下列哪项检查不需要（）。

A.血常规

B.胸椎正侧位X线片

C.血沉

D.结核菌素试验

E.核素骨扫描
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