Theseare trickyto locatefrom hesurface，butanew（）systemshouldhelp.
Theseare trickyto locatefrom hesurface，butanew（）systemshouldhelp.
A.smog
B.radar
C.aids
D.laser
正确答案：radar
Tag：大学英语
时间：2024-01-07 20:11:41