下列四个比例尺最大的是[ ]
A.图上1厘米代表实地距离30千米
B.1/300
C.三千万分之一
D.1:3000000
答案:B
Some polluting factories _____ by Beijing government soon in a few months.
A.move out
B.are moved out
C.will be moved out
D.were moved out
血精最早见于()
A.《灵枢》
B.《金匮要略》
C.《素问》
D.《外科正宗》
E.《诸病源候论》