下列哪项不是亡阳脱汗的症状( )
A．恶寒战栗
B．脉微欲绝
C．面色苍白
D．四肢厥冷
E．冷汗淋漓
参考答案：A
心脏胚胎发育的关键时期是（）
A.第2～8周
B.第8～12周
C.第12～16周
D.第16～20周
E.第20～24周
—How long ______ here?
—Only ten minutes. Tim ______ here with me. [ ]
A. are you; has walked
B. are you; walked
C. have you been; walked
D. have you been; has walked
