1996年2月有( )天,1997年2月有( )天。
29;28
The old man ______ him______ the money for his study.
A.offers; to
B.provides ; to
C.offers; with
D.provides ; with
在TD-SCDMA系统中一个单载频带宽是多少()
A.1MHz
B.1.6MHz
C.2MHz
D.1.4MHz