每日一题

Critical Reading>Sentence Completions

Choose the word or set of words that, when inserted in the sentence, best fits the meaning ofthe sentence as a whole.

Barbara McClintock's systematic examination of corn demonstrated the transposition of genes, a finding that overturned entrenched beliefs and proved that ------- study may produce brilliant insights and ------- change.

(A) haphazard . . radical
(B) inherent . . controversial
(C) improvised . . startling
(D) methodical . . revolutionary
(E) derivative . . gradual

答案和解析

答案：D

解析：

Only "methodical study" and "revolutionary change" match the ideas of "systematic examination" and "overturned entrenched beliefs."