题目内容:
In the tropical areas,______.
A)mechanization is not yet used in agriculture
B)agriculture is accepted fastest
C) a lot of farm work is still done in the old way
D) mechanization is avoided to save primitive forest
参考答案:
In the tropical areas,______.
A)mechanization is not yet used in agriculture
B)agriculture is accepted fastest
C) a lot of farm work is still done in the old way
D) mechanization is avoided to save primitive forest