职业健康安全和环境管理体系文件特点不包括()。
A.法律性
B.科普性
C.证实性
D.不断完善性
参考答案:B
-I think _______ask Tim for some advice.
-_______. Last time when I turned to him, he refused to help.
A.you'd rather; I think so
B.you'd better; I'd rather not
C.you have to; I'd rather not
D.you'd better; I think so
尿后余沥不尽见于()小便浑浊如米泔见于()
A.肾气不固
B.膀胱湿热
C.脾虚气陷
D.肾虚水泛
E.脾阳虚