严禁用压缩空气输送的物质()。
A、焦油
B、硫酸
C、水
D、粗苯
参考答案:D
润湿剂().
A.醋酸氢化可的松微晶25g
B.氯化钠3g
C.羧甲基纤维素钠5g
D.硫柳汞0.01g
E.聚山梨酯801.5g注射用水加至1000ml
—Are these CDs ________?
—No, they are not mine. They belong to _______.[ ]
A. your; her
B. yours; her
C. you; hers
D. yours; she