心动周期中心室内压下降速度最快的时相是
A．等容收缩期B．快速射血期C．减慢射血期D．等容舒张期
参考答案：D
Paul didn’t want to put on the coat. He said that he _________ by his friends.
A．will be laughed at
B．will be laughed
C．would be laughed at
D．would be laughed
诊断癫痫主要依据（）。
A.头颅CT
B.EEG
C.头颅MRI
D.SPECT
E.病史和临床表现
