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

admin2016-10-25 48

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/c3HC777K

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

Mostyoungpeopleenjoyphysicalactivities,walking,cycling,football,ormountaineering.Thesewhohaveapassion【C1】____
Mostyoungpeopleenjoyphysicalactivities,walking,cycling,football,ormountaineering.Thesewhohaveapassion【C1】____
Weknowthekissasaformofexpressingaffection(爱情).Butlongbeforeitbecame【C1】______,itwasthecustominmanypartsof
Herearesomesuggestionsthatprovehelpfulforthosewhoarepreparingforajobinterview.Insomeway,a(n)【B1】______intervi
Youhadbetter______teasingthesenewcomers,forthatwillhurttheirfeeling.
"Doyouthink______Ishouldattendthelecture?"sheaskedme.
Willallthose______theproposalraisetheirhands?
______,thebookhasmanymistakes.
Onehastobeeitherfororagainsttheproposalandthetimehascomeforeveryoneto______now.
Inordertolearnaforeignlanguagewell,itisnecessarytoovercomethefearofmakingmistakes.Iftheprimarygoaloflangu

随机试题

正常分娩时下列叙述正确的是
骨盆骨折可能出现的并发症是
牵引的主要作用包括
法院的下列哪些做法是符合审判制度基本原则的?(2016年卷一84题，多选)
背景资料：在某项港口码头泊位维修改造工程施工作业中，该项工程造价12500万元，施工现场为多工种人机混合作业，该项目部配备了3名专职安全生产管理人员对施工现场进行监督检查，确保施工安全。请依据《安全生产法》和《公路水运工程安全生产监督管理办法》等回答下列问
Hemayleavenow,becausethereis________workforhimtodo.
在德意志帝国时期，德国教育形成了典型的三轨学制，产生了三种学校。其中，专门为上层阶级设立的学校是
设函数f(x)=并记F(x)=∫0xf(t)dt(0≤x≤2)，试求F(x)及∫f(x)dx.
设L为由y2=x+3及x=2围成的区域的边界，取逆时针方向，则等于()．
Globalwarmingisatrendtowardwarmerconditionsaroundtheworld.Partofthewarmingisnatural;wehaveexperienceda20,00

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

Mostyoungpeopleenjoyphysicalactivities,walking,cycling,football,ormountaineering.Thesewhohaveapassion【C1】____

Mostyoungpeopleenjoyphysicalactivities,walking,cycling,football,ormountaineering.Thesewhohaveapassion【C1】____

Weknowthekissasaformofexpressingaffection(爱情).Butlongbeforeitbecame【C1】______,itwasthecustominmanypartsof

Herearesomesuggestionsthatprovehelpfulforthosewhoarepreparingforajobinterview.Insomeway,a(n)【B1】______intervi

Youhadbetter______teasingthesenewcomers,forthatwillhurttheirfeeling.

"Doyouthink______Ishouldattendthelecture?"sheaskedme.

Willallthose______theproposalraisetheirhands?

______,thebookhasmanymistakes.

Onehastobeeitherfororagainsttheproposalandthetimehascomeforeveryoneto______now.

Inordertolearnaforeignlanguagewell,itisnecessarytoovercomethefearofmakingmistakes.Iftheprimarygoaloflangu

正常分娩时下列叙述正确的是

骨盆骨折可能出现的并发症是

牵引的主要作用包括

法院的下列哪些做法是符合审判制度基本原则的?(2016年卷一84题，多选)

Hemayleavenow,becausethereis________workforhimtodo.

在德意志帝国时期，德国教育形成了典型的三轨学制，产生了三种学校。其中，专门为上层阶级设立的学校是

设函数f(x)=并记F(x)=∫0xf(t)dt(0≤x≤2)，试求F(x)及∫f(x)dx.

设L为由y2=x+3及x=2围成的区域的边界，取逆时针方向，则等于()．

Globalwarmingisatrendtowardwarmerconditionsaroundtheworld.Partofthewarmingisnatural;wehaveexperienceda20,00