I ____________ to buy a gift for my mother. [ ]
A. played
B. wants
C. wanted
答案:C
因抢救急危患者,未能及时书写病历,有关医务人员应当在抢救结束后据实补记时限的法定要求为()。
A.2h以内
B.4h以内
C.6h以内
D.8h以内
E.10h以内
双伸缩立柱()作用是闭锁活柱下腔液体,使之不能回到小缸体的下腔。
A.底阀;
B.安全阀;
C.液控阀;