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【简答题】
n .强烈的愿望,抱负,志向
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皮皮学刷刷变学霸
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【单选题】If the letter (to be mailed) (was placed) on the writing table an hour ago, it (is) certain (being) there now.
A.
to be mailed
B.
was placed
C.
is
D.
being
【单选题】Have you anything ___?
A.
to say about
B.
to say about it
C.
say about
D.
say about it
【简答题】十六进制是“逢十六进一”，是以16为底数的计数体制，它有0，1，2，3，4，5，6，7，8，9，A，B，C，D，E，F共十六个数码。试将十六进制数(7E6AD) 16 转换为十进制数和二进制数。
【单选题】If the letter (to be mailed) was placed on the (writing) table an hour (ago), it is certain (will be) there now.
A.
to be mailed
B.
writing
C.
ago
D.
will be
【单选题】Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as ______.
A.
merchant vessel reporting systems
B.
traffic separation schemes
C.
collision avoidance fairways
D.
restricted maneuverability channels
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