给下列测得的数据补上适当的单位：同学们使用的课桌宽度为400________；跳高运动员的成绩1.95________。
mm，m
____ ,I have never seen anyone who is as energetic as Barack Obama.
A．As long as I have interviewed many leaders
B．Since I have interviewed many leaders
C．Many leaders although I have interviewed
D．Many leaders as I have interviewed
我国《保健食品注册管理办法（试行）》是由哪个部门公布的，从何时开始施行？
