A、对外贸易垄断制
B、自由贸易制度
C、保护贸易制度
D、统一的对外贸易制度
A、A与B等价
B、A与B合同
C、|A|=|B|
D、A与B有相同特征值
You__________putyourcomputerinyourbedroom.
A、don’tneed
B、hadnotbetter
C、hadbetternot
D、oughtnot
Thenumberoftallbuildings__________greatlyinTianjininthelastfewyears.
A、isincreasing
B、hasincreased
C、areincreased
D、haveincreased
WeChinesepeopleshould__________thatChinaisjustlikeadragonproudandpowerful.
A、prove
B、make
C、test
D、present