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

admin2014-05-25 44

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://jikaoti.com/ti/7mNGFFFM

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

Edisontestedmorethanonethousandmaterialstoseeiftheycould______electriccurrentandglow.
A、Whensupplyequalsdemand.B、Whenthereismoresupplythandemand.C、Whenthereismoredemandthansupply.D、Whentheysell
WhatistheWritingLabandwhyshouldIuseit?TheWritingLabisafreeservicewhereallstudentsatPurdueUniversityc
You’dbetter_____adoctorassoonaspossible.
Ineverhadthe______tohearhimplaythepiano.
（非英语专业做）Therewasatimewhenparentswhowantedaneducationalpresentfortheirchildrenwouldbuyatypewriter,aglobe
BythetimeyougettoShanghai,I______forChongqing.
Extensivereportingontelevisionhashelpedto______interestinawidevarietyofsportsandactivities.
Normallyastudentmustattendacertainnumberofcoursesinordertograduate,andeachcoursewhichheattendsgiveshima【B1
You______theflowersnow,foritisgoingtorain.

随机试题

A．抑制胃酸分泌B．保护胃粘膜C．早期手术D．减少胆汁反流E．根除幽门螺杆菌(Hp)胃溃疡恶变的治疗
下列关于“假个贷”的说法中，错误的是（）
企业因政策性原因发生的巨额经营亏损，在符合条件的情况下，应确认与其相关的递延所得税资产。()
一般资料：求助者，男性，41岁，某公司技术总监。案例介绍：求助者在国外学有所成，有自己的技术专利，同国后与他人创建公司，但在公司发展战略、宏观管理等方面与其他高管存在矛盾，求助者认为自己站得高、看得远，但人际关系问题已经明显影Ⅱ向了自己和公司的发展，为此
事业单位是从事教育、科技、文化、卫生等领域的公益服务，不以营利为目的社会组织，是政府基本公共服务的主要承载者。()
A:I’msorryI’mcallingyousolate.B:______.okay.
微分方程y〞－3y′＋2y＝χeχ的通解为_______．
下列数据结构中，属于非线性结构的是()。
FromBostontoLosAngeles,fromNewYorkCitytoChicagotoDallas,museumsareeitherplanning,building,orfinishingwholesa
SarrElysetookasipfromaplasticcup.Likeapractisedwinetaster,sheswilledthedarkliquidaroundinhermouththenswa

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

Edisontestedmorethanonethousandmaterialstoseeiftheycould______electriccurrentandglow.

A、Whensupplyequalsdemand.B、Whenthereismoresupplythandemand.C、Whenthereismoredemandthansupply.D、Whentheysell

WhatistheWritingLabandwhyshouldIuseit?TheWritingLabisafreeservicewhereallstudentsatPurdueUniversityc

You’dbetter_____adoctorassoonaspossible.

Ineverhadthe______tohearhimplaythepiano.

（非英语专业做）Therewasatimewhenparentswhowantedaneducationalpresentfortheirchildrenwouldbuyatypewriter,aglobe

BythetimeyougettoShanghai,I______forChongqing.

Extensivereportingontelevisionhashelpedto______interestinawidevarietyofsportsandactivities.

Normallyastudentmustattendacertainnumberofcoursesinordertograduate,andeachcoursewhichheattendsgiveshima【B1

You______theflowersnow,foritisgoingtorain.

A．抑制胃酸分泌B．保护胃粘膜C．早期手术D．减少胆汁反流E．根除幽门螺杆菌(Hp)胃溃疡恶变的治疗

下列关于“假个贷”的说法中，错误的是（）

企业因政策性原因发生的巨额经营亏损，在符合条件的情况下，应确认与其相关的递延所得税资产。()

事业单位是从事教育、科技、文化、卫生等领域的公益服务，不以营利为目的社会组织，是政府基本公共服务的主要承载者。()

A:I’msorryI’mcallingyousolate.B:______.okay.

微分方程y〞－3y′＋2y＝χeχ的通解为_______．

下列数据结构中，属于非线性结构的是()。

FromBostontoLosAngeles,fromNewYorkCitytoChicagotoDallas,museumsareeitherplanning,building,orfinishingwholesa

SarrElysetookasipfromaplasticcup.Likeapractisedwinetaster,sheswilledthedarkliquidaroundinhermouththenswa