楼层结构平面图中,楼板下的梁及墙身轮廓线用()表示。
A.细实线
B.中实线
C.中虚线
D.细虚线
参考答案:C
The newspaper _____ it'll be sunny tomorrow. [ ]
A. tells
B. says
C. writes
简述教师的专业知识要求的要点?