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【单选题】
美国国防部在他们公布的可信计算机系统评价标准中，将计算机系统的安全级别分为四类八个安全级别，其中描述不正确的是()。A.
A类的安全级别比B类高
B.
C1类的安全级别比C2类高
C.
随着安全级别的提高，系统的可恢复性就越高
D.
随着安全级别的提高，系统的可信度就越高
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【简答题】Mr. Lewis was a dance teacher. He was a nice man and always had a lot of students. One year he moved to a new town, and was soon teaching many students in the dance school there, but he decided to mov...
【单选题】环外快速环路以外地区的道路防护绿地的宽度要求,快速路的城镇区段( ),其他地区( )。
A.
30m;40m
B.
30m;50m
C.
20m;40m
D.
20m;50m
【简答题】Fill in the blanks with the words you hear. A man named Eric is planning a trip and looking for an ( 1)_____________ . He is advised of four places. The first one has a free parking lot and also a ( 2...
【简答题】Mr. Lewis was a dance teacher. He was a nice man and always had a lot of students. One year he moved to a new town, and was soon teaching many students in the dance school there, but he decided to mov...
【简答题】《中国药典》规定，微温系指（）℃，室温系指（）℃，溶出度测定规定溶出介质的温度应为（）℃，用高氯酸滴定样品时，室温应在（）℃以上进行。
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