______ a professor of physics at Massachusetts Institute of Technology, Edward Charles Pickering established the first physics l

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问题 ______ a professor of physics at Massachusetts Institute of Technology, Edward Charles Pickering established the first physics laboratory in the United States.

选项 A、While
B、being
C、Although
D、He was

答案A

解析句型结构题。while后可接一名词或介词短语构成省略结构句型，A为正确答案。句意：当他还是马萨诸塞科技学院的一名物理教授时，爱得华就建立了全美国第一家物理实验室。

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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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______ a professor of physics at Massachusetts Institute of Technology, Edward Charles Pickering established the first physics l

英语

普高专升本

某县2004年年底人口数为x0(单位：万人)，已知该县人口的年均增长率为r(r为常数)，则该县2014年年底人口数为_____．

Haveyou【B1】______askedyourselfwhychildrengotoschool?Youwillprobablysaythattheygo【B2】______theirownlanguagea

Thesestudiesgive______(leading)resultsbecausetheyhaven’tlookedatenoughcases.

Historianscan’ttelluswhen,whereor【71】thefirstfoodwascooked.Inearliest【72】whenpeoplehadeatentheirfood【73】,

About70millionAmericansaretryingtoloseweight.Thatisalmost1outofevery3peopleintheUnitedStates.Somepeopleg

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