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【单选题】
轨道电路的定位精度取决于( )的长度。A.
绝缘节
B.
列车
C.
列车编组
D.
轨道电路
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【简答题】英译汉“It is intended to foster and support the development of a new business hub in a part of the French capital that has long been inadequately served by public transport.”
【简答题】从0,1,2,...,9等十个数字中任意选出三个不同的数字,则三个数字中不含0或5的概率为 . (答案写成a/b的分数形式)
【单选题】听力原文： Shots have been fired at an American Institute in the Greek capital, causing minor damage but no casualties. The attack came hours after the offices of an American jeans company was bombed in At...
A.
Car bomb.
B.
Gun-shooting.
C.
Plane crash.
D.
A fare.
【简答题】设随机变量 与 独立 , (1) 若 则 , (n=10,答案写成a/b的分数形式) (2) 若 ,则 , . (10.0分) ; . . (15.0分)
【简答题】设随机变量 的概率密度为 ,令 ,则P(Y=1)= . (答案写成a/b的分数形式)
【简答题】A. Thatkind of dominance creates a tension between property rights and antitrust(opposing or intended to restrain trusts, monopolies, or other largecombinations of business and capital) principle...
【单选题】Which exchange-rate mechanism is intended to insulate the balance of payments from short-term capital movements while providing exchange rate stability for commercial transactions?
A.
Dual exchange rates
B.
Managed floating exchange rates
C.
Adjustable pegged exchange rates
D.
Crawling pegged exchange rates
【单选题】The implementation of road pricing in London is primarily intended to
A.
restrain the capital% traffic growth.
B.
produce net annual municipal revenues.
C.
remove on-street parking lots.
D.
meet ambitious political aims.
【简答题】(第二空答案写成a/b的分数形式)
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