判断细菌有无动力可用（）
A.革兰染色后镜检
B.墨汁染色后镜检
C.悬滴暗视野镜检
D.抗酸染色后镜检
E.亚甲蓝染色后镜检
参考答案：C
The little boy used to _____ in the sun. It isn't good for eyes.[ ]
A. read
B. reading
C. reads
D. be read
硝苯地平最典型的不良反应是
A．后遗效应B．踝、足、小腿肿胀C．血压升高D．心搏减慢E．咳嗽
