首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
专升本
How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?
How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?
admin
2014-05-25
64
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/ZFUC777K
本试题收录于:
英语题库普高专升本分类
0
英语
普高专升本
相关试题推荐
Thepeopletherewillpaytwoorthreetimesasmuchastheyusedtopayforahouse.
Whenpricesarelowpeoplewillbuymore,andwhenpricesarehightheywillbuyless.Everyshopkeeperknowsthis.Butatthes
AHappyFamilyandaLongLifeWhenJapan’sKamatoHongodiedattheageof116,shewastheworld’soldestwoman.ButMrs.
Itissaidthattheagreement______betweenthetwocompanieslastmonthwillbecomeeffectivefromMay1st.
(84)Cancerisamongthetopkillerdiseasesinoursocietytodayandscientistshavefoundoutthatstresshelpstobringiton
Thereismuchdiscussiontodaywhethereconomicgrowthisdesirable.Atanearlierperiod,ourdesireformaterialwealthmayha
Theyfailedtopasstheexamlasttime,Iregretted______.
Never______suchamarvelousplaceasMountEmeibeforeIarrivedthere.
Ineed______morevolunteerstohelpmovethepiano.
Overtheyears,therehavebeenplentyofproposalsto______prosperity.
随机试题
密度实质是以对数级表示的,理由是
患者,女,35岁。高处坠落,左枕着地,进行性意识障碍,1小时后右侧瞳孔散大。最可能的诊断是
图示一矩形断面通风管道,断面尺寸为1.2m×0.6m,空气密度P=1.20kg/m3,流速v=16.2m/s,沿程阻力系数λ=0.0145,流程长度L=12m的沿程压强损失为:
配套的五保、水土保持和安全等设施,应与主体工程同时()。
3,8,6,ll,9,14,(),()
文明是文化的高级形态,是文化的结晶体。文化是文明的初级形态、原生态,只有经过_______的固化的成分才是文明。文化是_______,反映人类社会进步的过程;文明是_______,表现人类社会发展的成果。填入划横线部分最恰当的一项是:
甲将一幅古画交给乙进行装裱,该合同在性质上属于
ln3
设矩阵若向量都是方程组Ax=0的解,试证r(A)=2;
Itisdifficulttoimaginewhatlifewouldbelikewithoutmemory.Themeaningsofthousandsofeverydayperceptions,thebases
最新回复
(
0
)