题目内容

We have Quartz crystal clocks and watches accurate to_____ one minute a year.

A. about
B. beyond
C. at
D. within

查看答案

搜索结果不匹配？点我反馈

更多问题

A rat or pigeon might not be the obvious choice to tend to someone who is sick, but these creatures have some _______ skills that could help the treatment of human diseases.

A. superior
B. sufficient
C. versatile
D. inferior

________having a brain no bigger than the tip of your index finger, pigeons have a very impressive visual memory.

A. Besides
B. Despite
C. Except from
D. In addition to

Recently it was shown that pigeons could be trained to be as accurate as humans at ______breast cancer in images.

A. locating
B. distinguishing
C. detecting
D. treating

Rats are often associated with spreading disease_________ preventing it.

A. in spite of
B. more than
C. apart from
D. rather than