鱼鳞坑整地适宜于（）。
A.地势平缓的坡地
B.黄土丘陵沟壑区
C.土壤瘠薄的石质山地
D.地形破碎及坡度较大的沟坡地段
参考答案：D
李平有25元钱，买文具用去b元，还剩（ ）元。
Faraday gave ________ most of his money to the poor. When he grew old, he did not have enough money left to live on.
A．on
B．away
C．by
D．of
