羽毛球项目在（）奥运会上被列入奥运会表演项目。
A.汉城
B.巴赛罗纳
C.亚特兰大
D.悉尼
参考答案：B
There was a lot of fun at yesterday's party.You ________ come，but why didn't you?
A．must have
B．should
C．need have
D．ought to have
何谓肺泡通气量（VA）？
