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【简答题】
基本型空间站大致包括一个( )和两个( ),总重量60吨左右,能同时与一艘货运飞船和两艘载人飞船对接。
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皮皮学刷刷变学霸
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【单选题】High Dive kilometers up into the atmosphere.(1). No one has ever leapt from such a height or gone supersonic without an airplane or a spacecraft. Yet Stems, an airline pilot, is not the only person wh...
A.
It will handle several major hazards.
B.
Escape suits are tough enough to stand the atmospheric pressure of the upper stratosphere.
C.
From there, she'll take a death-defying leap back to Earth at supersonic speed.
D.
'In 30 seconds, I'll be going Mach speed,' said Stems.
E.
How will Stems make her giant jump?
F.
In short, blood boils.
【单选题】听力原文： Larry Smith is one of the rescuers on the Golden Gate Bridge. His job is to save people who attempt to jump into the sea. If the telephone rings at three in the morning, he knows it's trouble. S...
A.
A rescuer on the Golden Gate Bridge.
B.
A professional diver.
C.
A telephone operator.
D.
A guard on the Golden Gate Bridge.
【多选题】毛泽东诗词《沁园春•雪》中写道：“北国风光，千里冰封，万里雪飘。望长城内外，惟余莽莽;大河上下，顿失滔滔。山舞银蛇，原驰蜡象，欲与天公试比高。须晴日，看红装素裹，分外妖娆。江山如此多娇，引无数英雄竞折腰。();()。()。俱往矣，数风流人物，还看今朝。”
A.
惜秦皇汉武，略输文采
B.
唐宗宋祖，稍逊风骚
C.
一代天骄，成吉思汗，只识弯弓射大雕
D.
指点江山，激扬文字，粪土当年万户侯
【单选题】IPv4首部中IP分组标识符字段的作用是（）。
A.
标识不同的上层协议
B.
通过按字节计算来进行差错控制
C.
控制数据包在网络中的旅行时间
D.
分段后数据包的重装
【单选题】听力原文： Larry Smith is one of the rescuers on the Golden Gate Bridge. His job is to save people who attempt to jump into the sea. If the telephone rings at three in the morning, he knows there is troubl...
A.
A professional driver.
B.
A telephone operator.
C.
A rescuer on the Golden Gate Bridge.
D.
A guard on the Golden Gate Bridge.
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