手术前生理准备包括()。
A.纠正全身状态,调整水、电解质及酸碱平衡
B.皮肤准备
C.胃肠道准备
D.备血
E.降低腹压
参考答案:A, B, C, D
twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
A.Examining
B.Examined
C.Being examined
D.Having been examined
索赔时效,是指投保人在保险事故发生后,向保险人索赔的最长有效期限。在我国,索赔期限通常规定为( )。
A.六个月
B.一年
C.一年半
D.两年