题目内容
（请给出正确答案）
While underway and towing an unmanned tank barge you are required to ______.
A.maintain a strict watch on the barge from the towing vessel
B.fly a red flag from the towing vessel
C.open the tops of all empty tanks on the barge
D.take hourly soundings of any loaded tanks on the barge
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A passenger vessel is underway. When may passengers visit the pilothouse？
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A.while
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A.while
B.when
C.since
D.from
A.isn't it
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I didn't want to forget him. 34 I didn't want him to forget me.
34. A. While B. But C. And D. For
有以下程序： #include＜stdio.h＞ void fun(char *a,char*B){while(*a=='*')a++； while(*b=*A){b++;a++;} } main() {char*s="****a*b****",t[80]； fun(s,t);puts(t)； } 程序的运行结果是()。
A．*****a*b
B．a*b
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D．ab
