GPS卫星信号的基频是()。
A.1575.42MHz
B.1227.36MHz
C.10.23MHz
D.1.023MHz
参考答案:C
Thanks for me your house .[ ]
A. invite, for
B. inviting, to
C. inviting, for
D. invitation, for
There were a lot of people standing at the door and the small girl couldn't get _____. [ ]
A. between
B. through
C. across
D. beyond