______ 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

Since1950s,thecomputerindustryhas______.Wecandrawaconclusionfromthefirstparagraphthat______.

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Now,onlinelearninghasbecomeacceptableandcommonplace.Itisseenbystudentsandemployeesasamoreflexibleandconvenie

Asweallknow,freshair,nutritiousfoodandexercise______tobetterhealth.

CharlesSteinmets,attheageoftwenty-seven,wasalreadyfamousasanelectricalgeniusandwasbecomingknownasawarm-h

Oneoftherequirementsforafireisthatthematerial______toitsburningtemperature.

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的收敛半径和收敛域为_________。

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