皮皮学，免费搜题
登录
搜题
【简答题】
道岔表示电路中应采用反向电压不小于 v ,正向电流不小于 mA 的整流元件。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】人员或车辆在起重机械巴杆、抓斗、货码或起吊物下通行、
停留的(船放作业的车辆除外)A. 200 B. 250 C. 300 D. 350
【单选题】There is much discussion today about whether economic growth is desirable. At an earlier period, our desire for material wealth may have been justified. Now, however, this desire for more than we need...
A.
our natural surroundings are in danger of being destroyed by industry
B.
the fixed supply of natural resources marks a point beyond which economic growth cannot continue
C.
the world population is ever increasing
D.
more efforts should be made to improve the quality of our material life
【单选题】Society is now much more diverse than ever before.
A.
colorful
B.
attractive
C.
flexible
D.
varied
【单选题】There is much discussion today about whether economic growth is desirable. At an earlier period, our desire for material wealth may have been justified. Now, howerer, this desire for more than we need...
A.
The problems caused by economic growth.
B.
The desirability of economic growth.
C.
The desire for more material wealth.
D.
The limits of economic growth.
【单选题】Society is now much more diverse than ever before.
A.
various
B.
additional
C.
perfect
D.
suspicious
相关题目：
参考解析：
知识点：
题目纠错 0
发布
