下列对买进看涨期权交易的分析正确的有（）。 A.平仓收益=权利金卖出价-买入价 B.

根据短文和首字母提示写出单词。

     Mulan was  a very famous  female (女性 ) h     l        in Chinese history. She lived about 2,600

years a    2      . Her father was a soldier. He taught his three children every- thing about fighting. One

day, the emperor ordered (命令) Mulan's father to go to the north to fight (战斗), but he was very

o   3      and sick. Mulan loved her father. She dressed in mens c    4      , r     5        a horse and went

to fight.

     Mulan w    6       very successful in fighting. For 12 years she was always a very good s    7       .

No one knew she was a g     8        She became very important. She was a very brave woman. She

loved her family and country.

     Years later, the fighting stopped. They asked her to be one of the emperor's top soldiers, but she

dressed in g     9        clothes and went h   10        happily to live with her family.

Ccr为下列哪项时提示为终末期肾衰（）。

A.<50ml／min

B.<40ml／min

C.<30ml／min

D.<20ml／min

E.<10ml／min

n个顶点的强连通图的边数至少有_______。

A．n-1

B．n(n-1)

C．n

D．n+1

当水枪射流量小于5L/s时，采用( )mm口径消火栓，并配用喷嘴为13mm或16mm的水枪。

A．40
B．50
C．60
D．65

局部的哮鸣音持续存在可见于

A．支气管肺癌早期

B．肺炎

C．慢性支气管炎

D．肺结核

E．支气管哮喘