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【单选题】
B类IP地址的每个网络可容纳约 台主机。A.
255
B.
65000
C.
170万
D.
1700万
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反馈参考答案：
举一反三
【多选题】II. Blank-filling( to change the form if necessary).
A.
await
B.
embarrass
C.
stuff
D.
curb
E.
reverse oneself
F.
make it
G.
straighten up 1) The new system designed to ___________ harmful emissions from factories will be put into use soon. 2) He has a special feeling for the brilliant birds, and each spring he eagerly ___________ their return. 3) When she heard it was snowing in the city they were going to, she ___________ two more sweaters into her bag. 4) He was ______________ when he discovered that he didn’t have enough money to pay for the red wine he had ordered. 5) I believe he has the talent to finally ________. 6) As usual, she helped her mother clear away the dishes and ____________ the room. 7) He _______________ completely after George presented further evidence.
【单选题】Sally who lives in New Jersey needs to constantly be in touch with her husband who works in Italy. She uses a certain technology which allows her to make phone calls over the Internet and charges her ...
A.
F2b2C
B.
Push technology
C.
VPN
D.
VoIP
【多选题】Complete the sentences with the prepositions in the box. at for in on out with 1 He’s confident socialising English. 2 Small talk’s becoming easier the help of new technology. 3 Some a...
A.
in
B.
with
C.
out
D.
at
E.
on
F.
for
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