外周血管征的临床表现()
A.点头征
B.颈动脉和桡动脉可扪及水冲脉
C.股动脉枪击音
D.颈动脉枪击音
E.毛细血管搏动征
参考答案:A, B, C, E
Bob would have helped us yesterday ,but he_______________.
A.was busy busy
B.is busy
C.had been busy
D.will be busy
会员制期货交易所理事会每次会议应当于会议召开10日前通知全体理事。()