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【单选题】
某投资者持有一个沪深300股票指数基金，如果他担心该指数基金的市值会下跌，最好使用( )套期保值。A.
上证50指数的看涨期权的多头
B.
沪深300股指期货的多头
C.
沪深300股指期货的空头
D.
上证50指数的看跌期权的空头
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反馈参考答案：
举一反三
【简答题】This has been a really fruitful week and we have dealt with several projects successfully.
【简答题】写出 deal with 在下列各句中的意思: Proper amounts of exercise will help you deal with all kinds of pressure. __________ His new book deals with environmental issues ...
【单选题】In the sentence “We have dealt with you for 10 years in this line.”, “dealt with” means ___________.
A.
blamed
B.
scolded
C.
punished
D.
did business with
【单选题】We have dealt with a large part of the problems, and the rest ________ by you.
A.
remains to solve
B.
remains to be solved
C.
remain to be solved
D.
remain to solve
【单选题】交、直流电源系统和建筑物防雷等都要求接地，各种接地的分类一般可分为功能性接地、保护性接地。其中功能性接地有（）逻辑接地、测量接地。
A.
工作接地
B.
信号电路接地
C.
屏蔽接地
D.
以上都对
【简答题】接地的分类有哪几种？
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