It was not until the invention of liquid-fuel rocket______ the launching of artificial satellite became possible.

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问题 It was not until the invention of liquid-fuel rocket______ the launching of artificial satellite became possible.

选项 A、which
B、when
C、where
D、that

答案D

解析

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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It was not until the invention of liquid-fuel rocket______ the launching of artificial satellite became possible.

英语

普高专升本

IwasonabusoneMarchevening.Thedriverdidn’t【C1】______tostartthebussoonbecauseitwasnotyet【C2】______Amiddle-ag

Weareinclinedtoplanttreesandflowersonbothsidesofthestreet.

A.IcouldmeetyouatlibraryReadingRoom4tomorrowat10:00a.m.,ifthatisconvenientforyou.B.Areyoufreeafterwo

HavinglivedinEnglandfortwoyears,Iamnow______tothecoldweather.

______,itisturnedoutwithmuchsmallermachinetools.

Theradarsets______forquitealongtimewithoutanytrouble.

(2010)Theharderwetry,____itisforustoovercomethedifficultiesandsucceed.

Yourcompositionmustbe____afterclass.

Itwasacaseofemergency.Thefour-year-oldgirlawokeandsmelledsmoke.Shecouldn’twakehermother,soshedialed"zero".

Theydidn’tgohome______theyhadfinishedthetask.

硫(S)属于气相型循环。()

A．心B．脾C．肺D．肾E．胃“君主之官”是指()

A．铅盐沉淀法B．胆甾醇沉淀法C．吉拉尔试剂法D．碱水提取法E．pH梯度萃取法

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