It is estimated__________an automated highway will be able to handle 10,000 vehicles per hour.

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问题 It is estimated__________an automated highway will be able to handle 10,000 vehicles per hour.

选项 A、that
B、whether
C、when
D、what

答案A

解析分析句子结构可知，It是形式主语，真正的主语是空处引导的从句，从句成分和意义完整，所以应用只起连接作用而没有词义的that引导。whether在主语从句中意为“是否”；when在主语从句中作时间状语；what在主语从句中作主语、宾语等成分。故选A。

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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 is estimated__________an automated highway will be able to handle 10,000 vehicles per hour.

英语

普高专升本

Simondoesnot______hisfellowworkersbecausetheyoftenargueovertrivialmatters.

Everyonebecomesalittlemoreforgetfulastheygetolder,butmen’smindsdeclinemorethanwomen’s,accordingtotheresult

Mybrother,Henry,hasanexcellentjobatabank.Icouldn’t【C1】him【C2】hetoldmethathehaddecidedtogiveit【C3

【C1】hasitsowncycles,amagazinereportedsomeyearsago.Policerecordsthat【C2】forfiveyears【C3】__2,400cit

【C1】hasitsowncycles,amagazinereportedsomeyearsago.Policerecordsthat【C2】forfiveyears【C3】__2,400cit

(2003)Sheisleavingherhusbandbecauseshecannot_____hisbadtemperanylonger.

Itisobviousthatthefrequentexchangesbetweenthetwocountrieshavestrengthenedtheirfriendship.

DanielAnderson,afamouspsychologist,believesit’simportanttodistinguishtelevision’sinfluencesonchildrenfromthose

I’msorryIhavemadesomanymistakes.IwishI______.

某药在体内按一级动力学消除，在吸收达高峰后抽血2次，测其血浆浓度分别为150μg/ml及18.75μg/ml，两次抽血间隔9h，该药的血浆半衰期是：

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It is estimated__________an automated highway will be able to handle 10,000 vehicles per hour.

英语

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Simondoesnot______hisfellowworkersbecausetheyoftenargueovertrivialmatters.

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【C1】______hasitsowncycles,amagazinereportedsomeyearsago.Policerecordsthat【C2】______forfiveyears【C3】______2,400cit

【C1】______hasitsowncycles,amagazinereportedsomeyearsago.Policerecordsthat【C2】______forfiveyears【C3】______2,400cit

(2003)Sheisleavingherhusbandbecauseshecannot_____hisbadtemperanylonger.

Itisobviousthatthefrequentexchangesbetweenthetwocountrieshavestrengthenedtheirfriendship.

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在Excel中，在单元格C1中输入公式“＝2*(2+1)^3”，确认输入后，单元格内将显示，的结果是()。

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Doyoualwaysunderstandthedirectionsonabottleofmedicine?Doyouknowwhatismeantby"Takeonlyasdirected"?Readthe

A、Thebandsparticipatedintheconcertforeconomicbenefits.B、Allattendeeswereinredintheevent.C、Theconcertconducted

Mybrother,Henry,hasanexcellentjobatabank.Icouldn’t【C1】him【C2】hetoldmethathehaddecidedtogiveit【C3

【C1】hasitsowncycles,amagazinereportedsomeyearsago.Policerecordsthat【C2】forfiveyears【C3】__2,400cit

【C1】hasitsowncycles,amagazinereportedsomeyearsago.Policerecordsthat【C2】forfiveyears【C3】__2,400cit