牙萌出具有一定的生理特点,其中不包括下列哪一项?()
A.在一定时间内
B.按一定顺序
C.左右成对
D.尖牙一般比第一前磨牙晚
E.上颌略早于下颌
参考答案:E
______visited the Shanghai World Expo is sure to tell you the place is worth visiting twice.
A.Those who have
B.Whoever has
C.Those who has
D.Whoever have
高渗性缺水的患者中度缺水量为体重的:()
A.2%~4%
B.3%~5%
C.4%~6%
D.5%~7%