欢迎来到牛牛题库网 牛牛题库官网
logo
搜索

单项选择题

Railways are ______ to the economic prosperity of the country.

A．essential
B．useful
C．reliable
D．preferable
点击查看答案&解析

相关考题

单项选择题
The concept of a loyal opposition-the ______ of modern democracy —rarely prevails and, much more frequently, opposition is equated with treason and ruthlessly suppressed.(2004年四川大学考博试题)
A．loop
B．essence
C．equivalent
D．velocity
单项选择题
While we plan our railway buildings with a life span of 100 years, we also know that a quake measuring over seven on the Richter scale might______ once in 120 years, though we never expected it to happen so soon.(2006年厦门大学考博试题)
A．appear
B．develop
C．erupt
D．emerge
单项选择题
Turning cultivated land back into forests or pasture is a fundamental way to stem soil ______ and desertification in the longrun.(2003年中国人民大学考博试题)
A．erosion
B．depletion
C．violation
D．delusion
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题