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条码是应用黑白相间的条纹代表特定的英文字母。( )
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【简答题】A．The man thinks his rent is very cheap. B．The man thinks his rent is very expensive. C．The man thinks he lives in a good area. D．The man thinks his rent is reasonable.
【简答题】违反校园出入管理有关规定的,视情节轻重给予()以上处分。A. 警告；B.严重警告；C.记过；D.留校察看
【简答题】A．To lower their exchange rates. B．To regulate their exchange rates. C．To raise their regulated rates. D．To make no change of their rates.
【简答题】Liner freight rates are usually lower than tramp rates while tramp rates are usually steadier than liner rates．（ ）
【简答题】A．To lower their exchange rates. B．To regulate their exchange rates. C．To raise their regulated rates. D．To make no change of their tales.
【单选题】计算机安全是指计算机资产安全
A.
计算机信息系统资源不受自然有害因素的威胁和危害
B.
信息资源不受自然和人为有害因素的威胁和危害
C.
计算机硬件系统不受人为有害因素的威胁和危害
D.
计算机信息系统资源和信息资源不受自然和人为有害因素的威胁和危害
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