某铝型材厂决定利用铝期货进行买入套期保值。3月5日该厂在7月份到期的铝期货合约上建仓,成交价格为20600元/吨。此时铝锭的现货价格为20400元/吨。至6月5日,期货价格涨至21500元/吨,现货价格也上涨至21200元/吨。该厂按此现货价格购进铝锭,同时将期货合约对冲平仓。通过套期保值操作,该厂实际采购铝锭的成本是( )元/吨。

A通过基本分析法，仔细研究市场是处于牛市还是熊市

B权衡风险和获利前景

C确定入市的具体时间

D选择合适的标的

1.[选词填空]Leah’s first yoga studio was by no weans an immediate success.

2.[选词填空]By conventional standards,Leah was a typical successful woman before she changed her career.

3.[选词填空]Readiness to take advantage of new apportunities will make it easier to create one’s desired future.

4.[选词填空]Leah gained confidence by laying out her fears and contronting then directly.

5.[选词填空]In search of a meaningful life,Leah gave up what she had and set up her own yoga studios.

6.[选词填空]Some people regard professional change as an unpleasant experience that disturbs their career.

7.[选词填空]Leah’s interest in yoga prompted her to make a firm decision to seshape her life.

8.[选词填空]Small signs may indicate great changes to come and therefore ment attention.

9.[选词填空]As she explore new interests and developed new potential,Leah felt powerful internally.

10.[选词填空]The worst fear that Leah ever had was the prospect of losing her yoga business.

1.[单选题]How does Dr.Gabriela Ferreira view the result of Lindson-Hawley's experiment?

A.It is idealized.

B.It is unexpected.

C.It is encouraging.

D.It is misleading.

2.[单选题]The idea of "a marathon" (Line 2, Para.5) illustrates the popular belief that quitting smoking _____.

A.is something few can accomplish

B.needs some practice first

C.requires a lot of patience

D.is a challenge at the beginning

3.[单选题]What happens when people try to quit smoking gradually?

A.They find it even more difficult.

B.They are simply unable to make it.

C.They show fewer withdrawal symptoms

D.They feel much less pain in the process.

4.[单选题]What does Lindson-Hawley say about her mother?

A.She quit smoking with her daughter's help.

B.She succeeded in quitting smoking abruptly.

C.She was also a researcher of tobacco and health.

D.She studied the smoking pattems of adult smokers.

5.[单选题]What kind of support did smokers receive to quit smoking in Lindson-Hawley's study?

A.They were given physical training.

B.They were looked after by physicians.

C.They were encouraged by pshchologists.

D.They were offered nicotine replacements.

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A3，9

B4，8

C5，7

D6，6

1.[单选题]______

A.He is the only boy in his family.

B.He becomes tearful in wind.

C.He has stopped making terrible faces.

D.He is his teacher’s favorite student.

2.[单选题]______

A.Tell him to play in her backyard

B.Do sth funny to amuse him

C.Give him some cherry stones to play with

D.Warn him of danger by making up a story

3.[单选题]______

A.They could break pp’s legs.

B.They could sometimes terrify adults

C.They could fly against a strong wind

D.They could knock pp unconscious

4.[单选题]______

A.One would get a spot on their tongues if they told a lie deliberately.

B.One would have to shave their head to remove a bat in their hair.

C.One would go to prison if they put a stamp on uoside down.

D.One would have curly hair if they ate too much stale bread.