Question

【题目】The book was written ______ careful observations and detailed studies.

A. on behalf of B. regardless of

C. on the basis of D. in relation of

Answer 1

【答案】C

【解析】

试题分析：A. on behalf of代表；B. regardless of不管，不顾；C. on the basis of根据，基于；D. in relation of关系。句意：这本书是基于认真的观察和详细的研究写成的。根据句意选C.