问题
单项选择题
可用作粉末直接压片的助流剂,但价格罗贵的辅料是()。
A.滑石粉
B.硬脂酸镁
C.氢化植物油
D.聚乙二醇类
E.微粉硅胶
答案
参考答案:E
可用作粉末直接压片的助流剂,但价格罗贵的辅料是()。
A.滑石粉
B.硬脂酸镁
C.氢化植物油
D.聚乙二醇类
E.微粉硅胶
参考答案:E
从B栏中找出与A栏中各句相对应的答句。 | |
A ( ) 1. Were the twins at the party last night? ( ) 2. Was Mr Li at work or away yesterday? ( ) 3. How many people were at the meeting? ( ) 4. Why was Liz not here last night? ( ) 5. Were you late this morning? ( ) 6. What did you have for breakfast? | B a . She was ill. b . No, I was quite early. c . Yes, they are. d . I had bread and milk. e . He was at work. f . About twelve. |