填空模拟题

271. The discoveries made by Nobel Prize winning geneticist Barbars McClintock are considered to be among the major ______ of twentieth-century biological science.
A. deliberations
B. regulations
C. suggestions
D. accomplishment
E. defences

272. In the United States, social activists who strongly ______ a particular law can attempt to obtain a constitutional amendment to ______ it.
A. concur with, rescind
B. object to, repeal
C. disagree about, support
D. identify with, nullify
E. interact with, ignore

题意解析及中文释义

题意解析及中文释义：

271.
题意解析：
诺贝尔学奖得主的发现一定是重大发现或成就，选D。
中文释义：
诺贝尔奖获得者遗传学家芭芭拉·麦克林托克的发现被认为是20世纪生物学最重要的发现之一。

272.
题意解析：
首先搞清楚句尾的it就是a particular law，所以两个空格填入一组同义词即可，选B。
中文释义：
在美国，社会激进分子——这些人强烈地反对特殊的法律——试图通过宪法修正案来废除特殊法律。