填空模拟题

449. The mayor is renowned for her ______ temperament: she can be warm and talkative one moment, aloof, and supercilious the next.
A. acrimonious
B. melancholy
C. mercurial
D. beguiling
E. officious

450. The proposed research projects were praised as both ______ and ______ : they were inexpensive yet promised to break new ground.
A. affordable, redundant
B. pointless, revolutionary
C. economical, innovative
D. suspect, efficient
E. worthwhile, disturbing

题意解析及中文释义

题意解析及中文释义：

449.
题意解析：
冒号引导同义重复，市长先是热情且谈笑风生，然后就冷漠、傲慢，典型的多变的人，选择C。
中文释义：
市长是以多变的脾气而出名：她一会热情，谈笑风生，一会儿又冷淡且傲慢。

450.
题意解析：
冒号引导同义重复，直接填入inexpensive和new的同义词，选择C。
中文释义：
提议的研究项目被称赞是既经济又有创造力的：成本低廉但确保能开创一片新天地。