分类：教育/科学-学习帮助
问题：bangzhu24.Aclearenvironmentcanhe 
24.AclearenvironmentcanhelpthecybidfortheOlympics,which__________ fact25.Thefluisbelieved_____ havecaused26.______isoftenthecase,wehaveworkedouttheproductionplan.A.WhichB.WhenC.WhatD.As
回答：24．A clear environment can help the city bid for the Olympics, which __________ will promote its economic development.  factbid for许诺获支持bid for the Olympics申办会翻译句子:一个干净的环境可以帮助该城市申办奥运会,____这一点会促进经济的发展. nature---实际上,本质上 return--作为报答 urn--依次,轮流 fact--事实上选 return--作为报答评论里弄错了......25．The flu is believed _____by viruses that like to reproduce in the cells inside the human nose and throat.  havecaused选 becaused先看that之前的那个主句,谓语动词是is believed,所以空格中得填非谓语.明确非谓语的三种形式:to do目的,将来done被动doing主动,进行句子大意是"感冒被认为是病毒引起的",用被动.26．______ is often the case, we have worked out the production plan. A．Which B．When C．What D．As选D．AsAs引导非限制性定语从句.注意As的用法:1.当句子前出现the same,such的时候2.在句首,对后面整个句子的指代---"这一点"3.句中间"正如"