The designs of the new tools should be_carefully,so that we can pick out the one which suits our

分类: 作业答案 • 2022-06-02 16:50:54

问题描述：

The designs of the new tools should be_carefully,so that we can pick out the one which suits our
needs.
A examined B created
C produced D used
要答题依据.

答

A 测试
因为该设计尚未投入使用,正处于测试状态