(2010年)下列关于期权投资策略的表述中,正确的是()。
A.保护性看跌期权可以锁定最低净收入和最低净损益,但不改变净损益的预期值
B.抛补看涨期权可以锁定最低净收入和最低净损益,是机构投资者常用的投资策略
C.多头对敲组合策略可以锁定最低净收入和最低净损益,其最坏的结果是损失期权的购买成
D.空头对敲组合策略可以锁定最低净收入和最低净损益,其最低收益是期权收取的期权费
第1题
第2题
A.which
B.where
C.that
D.when
第3题
After living in Jilin for fifty years she returned to the village ______ she grew up.
A.which B.where C.that D.when
第4题
A.which
B.where
C.that
D.when
第5题
After living in the city for 10 years he returned to the small village _____ he grew up as a chil
D.[ ] A.which
B.where
C.that
D.when
第6题
He had lived in Paris for some years ______ he returned to America.
A.after
B.until
C.before
D.while
第7题
He attended school in England for several years, after ______ he returned home.
A.what
B.that
C.which
D.whom
第8题
He returned to the U.S. ______ an absence of nearly fifty years.
A.after
B.from
C.for
D.in
第9题
A.returned
B.returned back
C.returned to
D.went back
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