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问题
单项选择题
大型油船、旅游船、客滚船、航行国际航线客船等船舶,应设立( )名专职或兼职防火员。
A.1
B.1~3
C.3~5
D.5~10
答案
参考答案:B
选择题
— Where's Li Ming's father now?
— _____.
A. He go abroad.
B. He's gone to New York.
C. He's been to Tokyo.
D. He went abroad
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问答题 简答题
为什么电脑20分钟不用后屏幕就黑了?
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