If he _____ here, that would be very good. [ ]
A. is
B. was
C. were
D. has been
答案:C
在劳动过程中,为了改善劳动条件,保护劳动者的健康,避免有毒、有害物质的侵害,防止发生职业病和职业中毒而采取的措施的总称是()。
A.劳动保护
B.劳动安全
C.劳动卫生
D.以上答案都不对
脾肾两虚型绝经期妇女骨质疏松症,首选方剂()
A.左归丸
B.归脾汤
C.人参养荣汤
D.八珍益母汤
E.大补元煎