众所周知，词汇是gre考试的基础。那么怎样才能掌握gre必备的词组呢？小编在这里为大家总结一些常用的核心词组，希望对各位备考有帮助。
a case in point 绝佳例证
释义
if you say that something is a case in point, you mean that it is a good example of something you have just mentioned.
例句
in many cases political uncertainties are the cause of people fleeing their country. a case in point is post-soviet russia.
gre
researchers are finding that in many ways an individual bacterium is more analogous to a component cell of a multicellular organism than it is to a free-living, autonomous organism. anabaena, a freshwater bacteria, is a case in point .
研究者们正在意识到，相比于一个独立的生命个体，细菌更接近于多细胞生物中的单个细胞。一种名为项圈藻的淡水细菌就是很好的例子。