一般民用建筑的室内楼梯踏步的宽度通常为()。
A、100~1500mm
B、150~180mm
C、250~300mm
D、300~350mm
参考答案:C
在奇经八脉中,与后溪相通的奇经是
A.任脉B.督脉C.阳维咏D.阳跷脉E.冲脉
Of all the stories, this one is _____.[ ]
A. the more interesting
B. the most interesting
C. the very interesting
D. the much interesting