磷酸氢钙属于（）
A．湿润剂
B．吸收剂
C．黏合剂
D．崩解剂
E．润滑剂
参考答案：B
解析：
磷酸氢钙可作制备片剂的吸收剂，故选B。
Young people tend to stay with their family longer on these days for accommodation is expensive but, when they move away to a job or college, there are various options open to them.
A. these days for B. during these days asC. these days as D. within these days for
从信用社经营的特殊性出发，一般说信用社的无形资产有（）
A、专利权
B、著作权
C、租赁权
D、土地使用权
E、商誉
F、非专利技术
