做溶出度检查，在达到该品种规定的溶出时间时，应在仪器开动的情况下取样，应在（）分钟内完成取样。
A.0.5
B.1
C.3
D.5
参考答案：B
__________ our club,please! [ ]
A. Join
B. Join in
C. Go
Read and answer. （读句子，根据实际情况回答问题）
1. How many students are there in your class?
___________________________________________
2. How many girls are there in your class?
3. Do you have a canteen in your school?
4. Do you have a library in your school?
5. Do you have lunch in the canteen?
6. — Where is the library?
— It's on the ______ floor.
