当前位置:高中试题 > 英语试题 > 连词 >    The UN has warned that,_____ natural systems like forests and wetlands disapp...
题目
题型:不详难度:来源:
   The UN has warned that,_____ natural systems like forests and wetlands disappear , mankind is losing the services they provide such as protection from extreme weather.
A.whileB.onceC.whenD.as

答案
D
解析

核心考点
试题【   The UN has warned that,_____ natural systems like forests and wetlands disapp】;主要考察你对连词等知识点的理解。[详细]
举一反三
______housing prices are going up madly, it is almost certain that the local government focuses not on improving people’s life but on trying to earn money by selling state land.
A.AsB.IfC.WhereD.Unless

题型:不详难度:| 查看答案
___ Mr Morgan appears extremely cheerful in public, he is in fact leading a very unhappy life.
A.WhileB.WhenC.AsD.Since

题型:不详难度:| 查看答案
------ What happened to you yesterday evening? Why didn’t you finish your work?
------____ the lights off, we could not continue our work. As a result, we had to leave.
A.UntilB.BecauseC.WithD.As

题型:不详难度:| 查看答案
In our factory there are 2,000 workers, and two thirds of _______ are women.  
A.themB.whichC.whomD.who

题型:不详难度:| 查看答案

This coat will lose its color ___________ it’s washed.
A.asB.afterC.untilD.while

题型:不详难度:| 查看答案
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.