A:Two days.
B:Three days.
C:Five days.
关于地球半球的叙述,正确的是( )
⑴____ A. play B. says C. today
⑵____ A. bark B. start C. party
⑶____ A. time B. ride C. like
⑷____ A. phone B. stop C. nothing
⑸____ A. loudly B. cloud C. about
我们经常在媒体上听到“信息高速公路”的说法,它主要是指( )