.——I'm sorry to have broken your pen.I d

如图所示，根据通入电流的方向，标出U形电磁铁的N、S极．

—The Libya issue calls for talks.

—Quite right. I would rather the UN ________ something immediately.

A．would do

B．does

C．did

D．will do

在下列经济行为中，属于货币执行流通手段职能的是( )。

A．顾客用10元钱可购买5斤苹果
B．顾客购买5斤苹果，一周后付款10元
C．顾客用10元钱购买了5斤苹果
D．顾客向水果店以每斤2元的价格预定5斤苹果

卫星应急无线电示位标在船舶遇险时只能人工启动发出遇险信号。（）

Passage One

How many years has his own marriage lasted

A．43.

B．35.

C．70.

D．6.