诊断脑震荡的根据,以下哪一个是不正确的()
A.有头部外伤史
B.原发昏迷在半小时以内
C.有逆行性遗忘症
D.生命体征紊乱
E.脑脊液化验无异常发现
参考答案:D
药物通过主动转运跨膜时的特点是:
A.需要载体,耗能,无饱和性和竞争性B.需要载体,不耗能,无饱和、竞争性C.不需要载体,不耗能,无饱和、竞争性D.需要载体,耗能,有饱和性和竞争性E.不需要载体,不耗能,有饱和、竞争陛
---- If he had been warned, he ______ that food yesterday.
---- Luckily he was sent to the hospital immediately.
A.would not take
B.would not have taken
C.had not taken
D.didn’t take