因休学、休工所造成的工资损失()
A.玫瑰花、款冬花、扁豆花、佛手片
B.刺猬皮、九香虫
C.黄精、党参、天冬
D.杏仁、柏子仁、砂仁
E.厚朴、肉桂、砂仁
参考答案:D
Sometimes Mr Black _____ his mobile phone in his office. [ ]
A. forgets
B. forget
C. leaves
D. leaving
对原油品质极为不利的有害物质主要是()。
A.硫
B.磷
C.硫和磷