填空模拟题

473. Rosario ______ on the problem at length, but no amount of extended reflection could provide her with a satisfactory solution.
A. collaborated
B. extemporized
C. expounded
D. expostulated
E. ruminated

474. Because Russell was such a memorable and public speaker, many people mistook his ability to talk about a wide range of topics for genuine .
A. enervating, inquisitiveness
B. charismatic, animosity
C. fluent, evasiveness
D. daunting, diffidence
E. adroit, erudition

题意解析及中文释义

题意解析及中文释义：

473.
题意解析：
下半句告诉我们想了很多，所以空格直接填入reflection的同义词，选择E。
中文释义：
罗萨里奥对这个问题想了很久，但是想再多也想不出一个完美的解决方案。

474.
题意解析：
空格一填入一词和memorable并列，候选B，C和E，再由mistake sth. for sth.可知，这两个sth.之间有相似性，所以B和C中第二个词不符合，选择E。
中文释义：
因为罗素是著名的才思敏捷的公众演讲家，所以许多人将他能讲很多话题的能力误以为真正的博学。