心脏骤停的诊断标准是()
A.大动脉摸不到搏动
B.瞳孔散大
C.心音遥远
D.神志突然丧失
E.抽搐
参考答案:A, B, D
JT1-CZ2000型机车信号移频接收的抗电气化谐波干扰信噪比优于()。
33.— Is it all right if I come at about 8.30 ?
— No, I ________ the football match then.
A.watch
B.will be watching
C.are watching
D.Watched