下列哪项不是椎动脉型颈椎病主要症状()
A.眩晕性恶心、呕吐
B.耳鸣耳聋
C.手肿胀、心慌、血压不稳
D.突然摔倒
E.颈酸胀痛
参考答案:C
You must be aware ______the fact that it is ____ great importance to learn English well.
A.to; of
B.of; of
C.to; in
D.of; in
起效最快维持时间最短的巴比妥类:
A.苯巴比妥B.苯二氮卓类C.司可巴比妥D.硫喷妥钠E.巴比妥