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【简答题】
用2、6两张数字卡片能组成( )个不同的数字。
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举一反三
【简答题】In the view of environmental economics, economically sound projects do not in themselves constitute practical decision-.
【单选题】B2B电子商务交易的优势不包括
A.
无须中介参与，简化了交易的环节
B.
使无库存生产和无库存销售成为可能
C.
可省去传统方式下做广告发印刷品等的大量费用
D.
交易的手续变得繁琐，交易成本也增加了
【单选题】A(n) ______ is one who organizes a new business venture in the hopes of making a profit.
A.
manager
B.
leader
C.
entrepreneur
D.
boss
【判断题】There are a total of 2 n +1 mutually exclusive alternatives that can be formulated from n independent projects, if there are no restrictions on the projects or the investment amount.
A.
正确
B.
错误
【单选题】It seems that now a country/'s economy depends much on _______ .
A.
how welldeveloped it is electronically
B.
whether it is prejudiced against immigrants
C.
whether it adopts America's industrial pattern
D.
how much control it has over foreign corporations
【判断题】The magazine was marketed to people who did not enjoyed making things and not features complex projects .
A.
正确
B.
错误
【单选题】There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just to give children something to do. In the ancient world, as is toda...
A.
their social roles are rigidly determined
B.
most boys would like to follow their fathers' professions
C.
boys like to play with their fathers while girls with their mothers
D.
they like challenging activities
【判断题】There are a total of 2 n -1 mutually exclusive alternatives that can be formulated from n independent projects, if there are no restrictions on the projects or the investment amount.
A.
正确
B.
错误
【单选题】Mrs、Black became a(n) _______ at making desserts.
A.
expert
B.
worker
C.
host
D.
specialist
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