题目内容:
New and more ______methods have to be found for collecting earthquake data and analyzing it.
A. up-to-date
B. update
C. up to
D. outdated
参考答案:【答案仅供学习,请勿对照自行用药等】
New and more ______methods have to be found for collecting earthquake data and analyzing it.
A. up-to-date
B. update
C. up to
D. outdated