Traditional Internet access methods like dial-up were so slow that host computers were connected to the dial-up(71)at the customer premise over slow(72)ports. PPP was designed to run directly over these serial links. But with the advent of broadband Internet(73)technologies such as ADSL and cable modems there has been a considerable increase in the bandwidth delivered to the end users. This means that the Lost computers at the customer premise connect to the(74)or cable "modem" over a much faster medium such as Ethernet. It also means that multiple(75)can connect to the Internet through the same connection.
A.buffer
B.modem
C.computer
D.server
第1题:
There()two hundred dollars to pay.
A. are
B. is
C. were
答:B
译文:要付200美元。
解析:本题考查Therebe句型的主谓一致。若主语是复数名词,表示一笔金额、一个总数或单个概念时,则be仍用单数形式is或was,所以答案是B。
第2题:
A.Is
B.Was
C.Were
第3题:
第4题:
There ______ a box of candies on the table.
A、are
B、is
C、have
D、were
第5题:
第6题: