填空题
A—Internet
B—E-mail
C—Telnet (telecommunication network)
D—Netnews
E—TCP/IP
F—ISP (Internet Service Provider)
G—ISDN (Integrated Services Digital Network)
H—Junk mails
I—Modem (Modulator-demodulator)
J—Homepage
K—Hacker
L—Hyper link
M—Browser
N—off-line
O—on-line
P—download