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【判断题】
企业持有一定数量的现金主要是基于交易性需求、预防性需求和投机性需求，企业的现金持有量应该等于三种需求下的现金持有量之和。（ ）A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】瞬变体系是几何不变还是几何可变？
【简答题】—Hi, Jim! Will you come to join us for a picnic this weekend? — ________ What shall I bring? A．Why? B．Why not? C．I’d rather not. D．What for?
【单选题】—Hi, _________ are you going? —To the zoo. I want to see some animals.
A.
How
B.
Where
C.
When
D.
Why
【单选题】Why has Buffett avoided investing in hi-tech companies?
A.
Because the hi-tech industry is not profitable.
B.
.Because he doesn’t like to invest in businesses that he does not understand.
C.
Because he doesn’t think the price of shares is reasonable.
【简答题】读第四单元2.1
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