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【单选题】
During the recession in 2009 some people became discouraged and quit looking for work. Other things the same, as they quit looking for work, according to the BLSA.
the labor force and the unemployment rate would both fall.
B.
the labor force would be unchanged and the unemployment rate would fall.
C.
the labor force would fall and the unemployment rate would be unchanged.
D.
None of these is correct.
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【简答题】One night, I didn’t turn off the water fast (2)____________ to her liking. She turned off the faucet, made an angry face at me, and growled, “Turn off the water, Daddy. The scientists need time.”
【简答题】In 2007, when my daughter was seven years old, we would brush our teeth together every night as part of our _______.To_______water, we would turn off the faucet after wetting our brushes and turn it b...
【多选题】某投资者在5月份以700点的权利金卖出一张9月到期、执行价格为9900点的恒指看涨期权，同时，他又以300点的权利金卖出一张9月到期、执行价格为9500点的恒指看跌期权。该投资者当恒指为______点时能够获得200点的盈利。
A.
11200
B.
8800
C.
10700
D.
8700
【单选题】某投资者在2月份以400点的权利金买入一张5月到期、执行价格为11500点的恒指看涨期权，同时，他又以300点的权利金买入一张5月到期、执行价格为11000点的恒指看跌期权。则下列说法错误的是（）。
A.
最大亏损为700点
B.
低平衡点=10300点
C.
高平衡点=12200点
D.
该交易为买入跨式套利
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