拉线与电杆之间的夹角一般为( )。
A.45°
B.30°
C.60°
D.15°
参考答案:A
近代以来,中 * * 传统体育出现的危机,主要体现在哪些方面?
—____ last Sunday?
—I did nothing, and just stayed at home. [ ]
A. What did you do
B. Where did you go
C. Did you stay at home
D. Why did you do