道德，是一种特殊规范，是依靠（）来进行调节的。
A.社会舆论
B.家教家风
C.法律法规
D.行政管理
参考答案：A
---It has been ages ________ I last saw you.
--- Yes. And it will be long ______ we meet again.
A．when; before
B．since; before
C．after; before
D．before; since
牛黄
A．体温计B．血压计C．听诊器D．人工晶体E．光学内窥镜
