下列有关“流动性陷阱”的说法正确的是：( )。

A．LM曲线是垂直的，财政政策完全无效

B．LM曲线是水平的，财政政策完全无效

C．LM曲线是垂直的，财政政策完全有效

D．LM曲线是水平的，财政政策完全有效

用所给词的正确形式填空 (共5个空格，每个空格1分，满分5分)

小题1:-- Who is your __________ (close) person in your family?  --- My grandmother is.

小题2:---Whose coats are these? ---They are the _______________. (run) .

小题3:She didn’t get better grades because of _________ (play) games too much.

小题4: He jumped ________ (far) than the others and he won the first prize.

小题5:Our teacher is so_________(humour) that we all like him．