Great as Newton was, many of his ideas _______ today and are being modified by the work of scientist

题目简介

Great as Newton was, many of his ideas _______ today and are being modified by the work of scientist

题目详情

Great as Newton was, many of his ideas _______ today and are being modified by the work of scientists of our time.
A.are to challenge B.may be challenged
C.have been challenged D.are challenging
题型:单选题难度:偏易来源:不详

答案

C
考查时态。句意“尽管牛顿很伟大,但是他的很多想法在当今已经受到挑战了,正在被当代的科学家进行修改。”发生在过去的事情,对现在造成的影响,用现在完成时。主语是复数,故谓语用原形have。Ideas和challenge是动宾关系,用被动语态。故选C。

更多内容推荐