Question

In view of the worsening environment, the local government is seeking advice from Professor Smith, who is an expert ______ it.

A．within

B．for

C．on

D．beyond

Answer 1

C

within在之内、for为了、on在……上，关于beyond超过，根据题意选C，针对日益恶化的环境，当地政府正在寻求史密斯教授的建议，他在这方面是个专家。