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【判断题】
期权和约是一种赋予购买方在未来某一时期，以一定价格买入或卖出一定数量相关资产权利，同时承担相应义务的合约。A.
正确
B.
错误
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举一反三
【单选题】–Shall I tell John about the bad news?--No, you ______. I think that will make him sad.
A.
needn’t
B.
wouldn’t
C.
shouldn’t
D.
mustn’t
【单选题】He hasn't anything left ________these books.
A.
more than
B.
less than
C.
other than
D.
rather than
【单选题】–Shall I tell John about the bad news?--No, you ______. I think that will make him sad.
A.
needn’t
B.
wouldn’t
C.
shouldn’t
D.
mustn’t
【单选题】I don't think that John will be able to win the gold medal at the Olympic Games, ______ ?
A.
do I
B.
don't I
C.
will he
D.
won't he
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