一氧化碳中毒的主要诊断依据是()。A．碳氧血红蛋白化验阳性 B．血液中氧分压下降 C

The project________by the end of 2011 will expand the city's cable TV network to cover more users. [ ]

A. being accomplished  

B. accomplished

C. to be accomplished  

D. having been accomplished

治外感风热或痰火郁结的咳嗽，常用（）

A.知母

B.半夏

C.旋覆花

D.浙贝母

E.白果

Jack ______ be in the library. He is playing football on the playground.[ ]

A. can't

B. can

C. need

D. must not

早醒(earlyawake)

（）年德国联邦政府颁布了《高等学校总纲法》，对高等学校的任务、教学与科研的原则、高等学校的人员等等作出了详细规定。

A.1970

B.1972

C.1976

D.1990