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【单选题】
商流解决的问题是:( )。A.
空间问题
B.
时间问题
C.
所有权问题
D.
实物转移问题
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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.
【简答题】Like a medieval holy man, or modern hippie, Robert Macfarlane sets out for the remote parts of the northern and western British isles, sea-sprayed islands, craggy mountains and great bog plains. He wa...
【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.
【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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