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【单选题】
我国最早的机器人是在什么时候?( )A.
唐朝。
B.
内清朝后期。
C.
解放后。
D.
西周时期。
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举一反三
【单选题】SOLAS公约第五章规定 从2002年7月1日起分段执行配备AIS设备。
A.
航行于国际航线的300总吨以上船舶
B.
公约国航行于国内航线的500总吨以上的船舶
C.
航行于国际航线的500总吨以上船舶和公约国航行于国内航线的300总吨以上的船舶
D.
A + B
【简答题】不影响传动比大小,影响传动比方向的齿轮称为()。
【单选题】The old man stood there at a loss, his sunken eyes staring at the man seated behind the table. Raising his hand, he wiped the sweat from his forehead and heavily wrinkled face. He didn't use the tradi...
A.
The old man had very poor vision.
B.
The old man' s wife had an eye problem.
C.
The old man failed to see what be should have seen.
D.
The old man' s wife was not easy to recognize.
【单选题】Why does the man insist the woman working as a sociology TA?
A.
She can earn more money from it.
B.
It is related to her major and will benefit her a lot.
C.
She can have contacts with many sociologists.
D.
She can fully put what she learnt into practice.
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