已知某两种商品的交叉弹性大于0,则这两种商品是补充品。
参考答案:错
The sooner one _____ to the new working conditions, the better it will be _______ his working efficiency.
A.adapts, for
B.adopts, to
C.adjusts, to
D.admits, for
磨机内的钢段是以的数值来表示()。
A.直径×周长
B.直径×长度
C.半径×长度