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试题题干

( ) abstract, Galileo’s theory was quite difficult to understand of his time.

A

Sounded

B

To sound

C

Sounding

D

Having been sounded

参考答案

正确答案:

试题解析

考查非谓语动词。

分析句子可知,sound需要用非谓语动词形式,与其逻辑主语Galileo’s theory 为主动关系,sound(听起来)是系动词,无被动形式,故用现在分词sounding,故选C。
句意:伽利略的理论听起来很抽象,以致于在他的时代很难被理解。