How many more decades will have to pass______ scientists succeed in providing a cure for cancer?

admin2014-05-25 57

问题 How many more decades will have to pass______ scientists succeed in providing a cure for cancer?

选项 A、when
B、since
C、before
D、until

答案C

解析 before常可用于将来时态，表示“才；就”，如：It will be several weeksbefore you are used to the new life in college．几个星期后你就会适应大学里的新生活了。 A．when一般不与将来时态连用；B．since常与现在完成时连用；D.until直到，用在此处意义不符。

转载请注明原文地址:https://kaotiyun.com/show/36UC777K

本试题收录于：英语题库普高专升本分类

英语

普高专升本

相关试题推荐

Itissaidthatmostadultsecondlanguagelearnerswillbeluckytoacquire5,000wordsevenafterseveralyearsofstudy.【C1
(非英语类学生必做)IarrivedintheUnitedStates【61】February6,1986,butIremembermyfirstdayherevery【62】Myfriendwaswa
Aftermuchthought,theengineerfoundavery______solutiontotheproblem.
Eachday,computershelpmillionsofpeopledotheirjobsmoreeffectively.Forexample,theycanhelpmanagersdecideonafutu
Forsomeemployers,thepolicyoflifelongemploymentisparticularlyimportantbecauseitmeansthattheycanputmoneyandeff
Everycountrytendstoacceptitsownwayoflifeasbeingthenormaloneandtopraiseorcriticizeothersastheyaresimilar
Morethanfortythousandreaderstolduswhattheylookedforinclosefriendships,whattheyexpected【56】friends,whattheywer
Actingissuchanover-crowdedprofessionthattheonlyadvicethatshouldbegiventoayoungpersonthinkingofgoingonthes
Doctorshaveknownforalongtimethatextremelyloudnoisescancausehearingdamageorloss.Thisnoisecanbethesoundofa
我刚查出我的朋友们正为我最好的朋友计划一个生日聚会。

随机试题

支气管肺炎与支气管炎的主要区别点是
六国论苏辙尝读六国世家，窃怪天下之诸侯，以五倍之地，十倍之众，发愤西向，以攻山西千里之秦，而不免于灭亡。常为之深思远虑，以为必有可以自安之计。盖未尝不咎其当时之士，虑患之疏，而见利之浅，且不知
宫颈黏液开始出现羊齿叶状结晶在月经周期的第
男性，18岁，心悸乏力来诊，查体血压正常，尿检pH6.0，SG1.010，Glu5.5mmol/L，Pro0g/L,WBC2/μl，RBCl2/μl；血CRE84umol/L，BUN5.9mmol/L，K+3.1mmol/L，Na+130mmol/L，Cl
A．与三氯化铁试液反应后呈色B．直接或水解后，重氮化一偶合反应呈色C．A、B均可D．A、B均不可E．铜络盐反应下列药物的鉴别反应为四环素
荧光显微镜的光源是
ART清洁窝洞处理剂是
教育心理学的研究应该多层次、多侧面，不能孤立、片面、割裂地看问题。这句话强调了教育心理学研究的()
LifeonEarthis______variedandcomplex.
A、Thesadnessofbeinginvolvedinaccidents.B、Waystolimittheuseofprivatecars.C、Theseriouspollutiononmotorroads.D

最新回复(0)

How many more decades will have to pass______ scientists succeed in providing a cure for cancer?

英语

普高专升本

Itissaidthatmostadultsecondlanguagelearnerswillbeluckytoacquire5,000wordsevenafterseveralyearsofstudy.【C1

(非英语类学生必做)IarrivedintheUnitedStates【61】February6,1986,butIremembermyfirstdayherevery【62】Myfriendwaswa

Aftermuchthought,theengineerfoundavery______solutiontotheproblem.

Eachday,computershelpmillionsofpeopledotheirjobsmoreeffectively.Forexample,theycanhelpmanagersdecideonafutu

Forsomeemployers,thepolicyoflifelongemploymentisparticularlyimportantbecauseitmeansthattheycanputmoneyandeff

Everycountrytendstoacceptitsownwayoflifeasbeingthenormaloneandtopraiseorcriticizeothersastheyaresimilar

Morethanfortythousandreaderstolduswhattheylookedforinclosefriendships,whattheyexpected【56】friends,whattheywer

Actingissuchanover-crowdedprofessionthattheonlyadvicethatshouldbegiventoayoungpersonthinkingofgoingonthes

Doctorshaveknownforalongtimethatextremelyloudnoisescancausehearingdamageorloss.Thisnoisecanbethesoundofa

我刚查出我的朋友们正为我最好的朋友计划一个生日聚会。

支气管肺炎与支气管炎的主要区别点是

六国论苏辙尝读六国世家，窃怪天下之诸侯，以五倍之地，十倍之众，发愤西向，以攻山西千里之秦，而不免于灭亡。常为之深思远虑，以为必有可以自安之计。盖未尝不咎其当时之士，虑患之疏，而见利之浅，且不知

宫颈黏液开始出现羊齿叶状结晶在月经周期的第

男性，18岁，心悸乏力来诊，查体血压正常，尿检pH6.0，SG1.010，Glu5.5mmol/L，Pro0g/L,WBC2/μl，RBCl2/μl；血CRE84umol/L，BUN5.9mmol/L，K+3.1mmol/L，Na+130mmol/L，Cl

A．与三氯化铁试液反应后呈色B．直接或水解后，重氮化一偶合反应呈色C．A、B均可D．A、B均不可E．铜络盐反应下列药物的鉴别反应为四环素

荧光显微镜的光源是

ART清洁窝洞处理剂是

教育心理学的研究应该多层次、多侧面，不能孤立、片面、割裂地看问题。这句话强调了教育心理学研究的()

LifeonEarthis______variedandcomplex.

A、Thesadnessofbeinginvolvedinaccidents.B、Waystolimittheuseofprivatecars.C、Theseriouspollutiononmotorroads.D