《七碗茶歌》的作者是谁?()
A.卢仝
B.李白
C.李商隐
D.皎然
参考答案:A
No agreement has been reached as both sides refused to ________ at the meeting held yesterday evening.
A.give out
B.give in
C.give up
D.give off
下列系统中,( )是实时系统。
A.计算机激光照排系统
B.航空订票系统
C.办公自动化系统
D.计算机辅助设计系统