一旦标的资产价格下跌至执行价格以下，买方执行期权，卖方被要求履约时，则必须以执行价格从买方处买入标的资产，随着标的资产价格的下跌，卖方收益（ ），直至出现亏损，下跌（ ），亏损（ ）。

1.[单选题]____

A.Chatting with her ancestors.        

B.Furnishing her country house.    

C.Polishing all the silver work.

D.Doing needlework by the fire.

2.[单选题]____

A.They believed in working for goals.    

B.They enjoyed living a life of ease.    

C.They had all kinds of entertainment.

D.They were known to be creative.

3.[单选题]____

A.It was when her ancestors came to America.

B.People had plenty of land to cultivate then.

C.It marked the beginning of something new.

D.Everything was natural and genuine then.

1.[单选题]____

A.Chatting with her ancestors.        

B.Furnishing her country house.    

C.Polishing all the silver work.

D.Doing needlework by the fire.

2.[单选题]____

A.They believed in working for goals.    

B.They enjoyed living a life of ease.    

C.They had all kinds of entertainment.

D.They were known to be creative.

3.[单选题]____

A.It was when her ancestors came to America.

B.People had plenty of land to cultivate then.

C.It marked the beginning of something new.

D.Everything was natural and genuine then.

1.[单选题]____

A.To observe the wildlife in the two national parks.

B.To identify the reasons for the lions’ disappearance.

C.To study the habitat of lions in Sudan and Ethiopia.

D.To find evidence of the existence of the “lost lions”.

2.[单选题]____

A.Lions walking.                        

B.Lion’s tracks.    

C.Some camping facilities.

D.Traps set by local hunters.

3.[单选题]____

A.Endless fighting in the region.

B.The hazards from the desert.

C.Inadequate funding for research.

D.The lack of clues about the species.

A允许会员在保证金补足的情况下进行期货交易的

B不按规定保存期货交易、结算、交割资料的

C违反规定收取保证金的

D未执行当日无负债结算、涨跌停板、持仓限额和大户报告制度的