框架结构模板的拆除顺序一般是（）。

A．梁底模→梁侧模→楼板→柱

B．柱→楼板→梁侧模→梁底模

C．柱→梁侧模→梁底模→楼板

D．楼板→柱→梁侧模→梁底模

Directions.

A. Study the following picture carefully and write an essay in no less than 160-200 words.

B. Your essay must be written clearly on ANSWER SHEET 2.

C. Your essay should meet the requirements below:

1) Interpret the following picture,

2) analyze possible reasons for this situation, and

3) suggest counter-measures.