100m高钢筋混凝土烟囱筒身混凝土施工最适宜的模板选择为()。

A.木模板 

B.组合钢模板 

C.滑升模板 

D.散支散拆胶合板模板

The main issue at the APEC meeting was a climate – change plan      by Australia’s Howard and backed by Bush.

A．put out

B．put off

C．put away

D．put forward