Obsolete materials have no economic value.
A、正确;
B、错误
发布时间：2025-01-13 13:01:31
请在 下方输入 要搜索的题目：
推荐参考答案 (
由 题搜搜 官方老师解答 )
答案：错误
相关试题
- 1.Obsolete materials have no economic value.
- 2.The study of economic geography should proceed from economic fields and abandon the spatial foundation
- 3.These are common materials()we are all familiar.
- 4.New York is the economic and political center of America.
- 5.These are common materials()we are all familiar.A．about whichB．of whichC．with whichD．to which
- 6.I have a _____ （迷恋）on my classmate.
- 7.These are common materials()we are all familiar.A.about which B.of whichC.with which D.to which
- 8.The determination of mining method can only be determined through technical and economic comparison of
- 9.They must have met with their guests last night, __________?
- 10.—How long have you been ill —______（）.
