一个数加上5,减去2然后除以4得7,这个数是[ ]
A.35
B.31
C.25
D.28
答案:C
Jiangsu is ___ the east of China, but Japan is ___ the east of China. [ ]
A. to; in
B. in; to
C. on; to
D. to; on
我国的《公路沥青路面再生技术规范》建议水泥等活性填料一般不超过()
A.1%
B.1.5%
C.2%
D.2.5%