题目

题型：不详难度：来源：

An interesting suggestion on how to measure the temperature on the moon has been        .

A．put on

B．put out

C．put down

D．put forward

答案

D

解析

考查短语辨析。put on穿；put out出版，扑灭；put down镇压；put forward提出。Put forward a suggestion提出建议。根据句意选D。