2019年mpa考试英语真题——介词和介词短语2373

{01}(2014·福建名校质量检查)The United Nations is trying to free the world________the threat of war. A.at　 B.in C.by　 D.from 解析：考查介词辨析。句意为：联合国正努力使世界免受战争的威胁。free sb.from sth.使某人摆脱某事，符合句意。
答案：　D
本题选D。
{02}In the experiment the scientist kept a watchful eye________the developments and recorded every detail. A.in B.at C.for D.on 解析：      题意：在试验中科学家密切注视着试验的进展并且记录着每个细节。keep an eye on…是习语，意为“密切注视…”。
本题选D。