每一生产厂家的普通混凝土小型空心砌块到施工现场后，必须对其强度等级进行复检，每（）块

With the help of the high technology, this year the factory has produced ________ it did last year.

A．twice as many as

B．twice as many cars as

C．twice as many as cars

D．twice cars as many as

目前，我国政府层级职能在宪法或法律上有明确规定。 ( )

捻法适用于：

A．头面部
B．腰背
C．胸腹
D．四肢小关节
E．肩背

下列项目中属于资产负债表中流动负债项目的是（）。

A．长期负债

B．应付工资

C．短期投资

D．递延税款借项

下图是地质构造示意图，图中甲处的地质构造是（）

A、向斜

B、背斜

C、断层

D、褶皱