请教几道英语选择题1.our natural resources will last longer ( ) we lea

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请教几道英语选择题
1.our natural resources will last longer ( ) we learn to recycle them.
A unless B if C though D as
2.( ) the doctor is uncertain about is when my mother will recover from the serious disease.
A That B Why C What D Whether
3.( ) is believed that a certain amount of stress is important in providing people with motivation.
A It B As C What D That
4.-How about seeing a film this afternoon.
-( )I haven't seen one for quite a while.
A No chance B Go ahead C Why not D My pleasure
要给原因,每题翻译下.

1.B
如果我们学会回收利用,我们的自然资源将持续利用更久.
分析:if 引导的条件状语从句.unless:除非,不和逻辑.though:尽管 as相当与when
2.C
医生不确定我的什么时候能从这次严重的疾病中康复.
分析:前面是一个主语从句,引导主语从句的词还必须同时做介词abount 的宾语,所以只能用WHAT.
3.A
人们相信,一定程度的压力对于提供给人们动力是很重要的.
分析:It 在句首是形式主语,真正的主语是that引导的主要从句.
4.C
--下午去看场电影怎么样?
--好啊,好长时间没去看电影了.
分析:Why not(为什么不,好啊!)经常用来表示接受别人的提议和邀请.
No chance:不可能 Go ahead:请继续(说,做...) My pleasure(很荣幸,太正式)

请教几道英语选择题1.our natural resources will last longer ( ) we lea ____ our natural resources is very necessary.A.The most we m What can we do to save our natural resources?怎么翻译? we should ------water and other natural resources 作文：we should protect natural resources 英语填空3Rivers are one of our most important natural resources. 高一英语几道选择题请教请教几道简单的英语选择题请教几道初三英语选择题请教几道英语时态选择题初三英语选择题1.Will our team win ?( ).We're not ready at all .A.I 英语翻译We are what we doMission:To transform natural resources