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【单选题】
猪丹毒弱毒疫苗接种后免疫期为( )。A.
6个月
B.
9个月
C.
1年
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皮皮学刷刷变学霸
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【多选题】关于信息的概念,下列表述正确的有()
A.
信息论的创始人香农认为，信息是人们对事物了解的不确定性的减少或消除。
B.
控制论之父维纳认为，信息既不是物质也不是能量，信息是人与外界相互作用的过程、互相交换的内容的名称。
C.
国际标准化组织(ISO)认为，信息是对人有用、能够影响人们行为的数据。
D.
信息技术词汇(GB5271)认为，信息是人们根据表示数据所用协定而赋予数据的意义。
【单选题】听力原文：W: I spent $50 on this sofa. Do you think it was worth it? M: Well, I think you've got a real bargain. Q: What does the man think of the price? (13)
A.
It's too high.
B.
It's acceptable.
C.
It's cheap indeed.
D.
The woman should have bargained for it.
【单选题】听力原文：M: Do you think this red tie goes well with this shirt? W: Yes, but I think your white and black tie would be nicer. What does the woman mean?
A.
She doesn't like this shirt.
B.
She doesn't think his choice is suitable for the tie.
C.
She doesn't like white and black tie.
【简答题】References enable readers to see where the writer depends on previous work and ________ what is novel about his own study.
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