单项选择题

First published in 1927, the charts remain an______ source for researchers.

A. identical
B. indispensable
C. intelligent
D. inevitable
<上一题 目录 下一题>
热门 试题

单项选择题
Many women still feel that they are being______ by a male culture, particularly in the professional services sector.
A. held back
B. held forth
C. held on
D. held out
单项选择题
These overseas students show great______ for learning a new language.
A. enthusiasm
B. authority
C. convention
D. faith
相关试题