GRE填空(Barron模考)每日一题 第187期
日期:2015-02-24 09:21
(单词翻译:单击)
GRE填空试题
A good doctor knows that knowledge about medicine will continue to change and that, therefore, formal professional training can never be an_____guide to good practice.
A.adaptable
B.absolute
C.vary
D.invaluable
E.obsolescent
参考答案
正确答案：B
答案解析：
第二个never+填空词与前面的continue to change同义重复，never表反义所以填空填一个表示不变的词。
重点单词
