助
参考答案：
盛行于商代，指藉民力以耕公田，收入全部上缴，相当于力役形式的地租。
—Bob,it's getting cold. ________take a jacket with you?
—All right , Daddy. [ ]
A. Why not
B. What about
C. Would you like
D. You'd better
负荷率愈高，说明平均负荷愈接近最大负荷，愈好
