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【单选题】
设备从开始使用到其年度费用最小的使用年限为( )。A.
自然寿命
B.
经济寿命
C.
物理寿命
D.
技术寿命
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举一反三
【单选题】---How does your English teacher help you to practice English? --- By encouraging us to __________ some dialogues with our partner in class.
A.
make up
B.
take up
C.
look up
D.
turn up
【简答题】Great bands are true to their core- they know who they are and they live _, and don't _ to be something they aren't.
【简答题】____是人们认识客观事物的过程,包括感觉、知觉、记忆、思维、想象、注意等。
【单选题】—How does the Internet ____us? —By sharing information free of charge．
A.
educate
B.
improve
C.
limit
D.
benefit
【简答题】C类网络使用子网掩码有无实际意义，为什么?
【简答题】U2 Text Additional Video.wmv 1.After how many years did the social media post find the family? 2.Where did they find these letters? 3. How much were the letters worth on the market, and how much was t...
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