题目内容

CMC-Na是

A. 甲基纤维素
B. 羟丙基纤维素
C. 乙基纤维素
D. 羟甲基纤维素钠

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常见的润湿剂有

A. 水
B. 甘油
C. 乙醇
D. 蔗糖溶液

下列哪个作滴眼液的抑菌剂( )

A. 吐温85
B. 三氯叔丁醇
C. 环氧乙烷
D. 碘仿

Motherboard is used to type text or input information to the computer.

A. 对
B. 错

Motherboard is the main curcuit board outside the PC. It holds the CPU, and the memory program, to perform the basic arithmetical, logical, and input/output operations.

A. 对
B. 错

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