青春期生理和心理的变化常使人新奇,神秘,也会带来丝丝烦恼和点点困惑,在这个时候我们应该[ ]
A、听其自然
B、犹豫不决
C、积极面对
D、畏缩逃避
答案:C
__________go shopping with us?[ ]
A. What about
B. How about
C. Why don't you
D. Why not you
锥型电杆的锥度为()。
A.1/25
B.1/50
C.1/75
D.1/100