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【单选题】
网络媒体与传统媒体的最大区别是（ ）。A.
广告费用
B.
广告效果统计分析
C.
广告收益
D.
广告效率
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【单选题】Dialogue Three Interviewer: How long did you live in the States? Interviewee: I was there for two years， in New York， and I enjoyed it tremendously. What I liked best was that I could work and still l...
A.
nationalities stay in their own areas
B.
people don't queue like they do here in England.
C.
Cultures vary from country to country.
D.
Some supermarkets are open twenty-four hours a day.
【单选题】_____ to ride a bike from your school to the park? [ ]
A.
How long did you spend
B.
How far did it take
C.
How long did it take you
D.
How far did you spend
【简答题】PKI指的是公钥基础设施。 判断对错
【简答题】How long have you lived there (or: here) ? (= How long did you live there ?)
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