土石坝施工的压实机械分为（）等基本类型。
A.静压碾压
B.羊脚碾
C.振动碾压
D.夯击
E.气胎碾
参考答案：A, C, D
The US economy is expected to slide 1 percent this year, while Japan’s is forecast to drop by about 0.3 percent. So this year will see China making an increased to the world.
A．promise
B．decision
C．preparation
D．contribution
纳税人实际占用的土地面积尚未核发土地使用证书的，应由纳税人申报土地面积，并以此为计税依据计算征收城镇土地使用税。( )
