聚合物溶液的粘度通常有四种表示方法，即相对粘度、（）粘度、比浓粘度和特性粘度。
A、绝对
B、溶解
C、溶剂
D、增比
参考答案：D
, and we each can have one.[ ]
A. A few more books
B. Giving us a few more books
C. To give us a few more books
D. Given us a few more books
外径千分尺的分度值为（）
A、0.1mm
B、0.01mm
C、0.02mm
