骨架隔墙石膏板中间部分固定螺钉的间距不应大于( )。
A．100mm
B．200mm
C．300mm
D．400mm
参考答案：C
拨的基本要求是面坯一定要稍差。（）
The Chinese people were cheering at the most _____ moment when Liu Xiang broke the world record. [ ]
A. excited
B. to excite
C. excite
D. exciting
