A:strictly
B:truly
C:carefully
D:seriously
下列事例中,没有利用电磁波的是
A. happy B. train C. worker D. hospital
E. plane F. supermarket G. angry
H. coach I. sad J. bookstore
K. businessman L. subway M. reporter
N. ship O. afraid P. museum
有关大洲和大洋的叙述正确的是( )