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如何在桌面上建立程序的快捷方式?
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【单选题】不属于我国《计算机信息系统安全保护等级划分准则》规定的计算机系统安全保护能力的五个等级之一。
A.
用户自主保护级
B.
访问控制级
C.
系统审计保护级
D.
结构化保护级
【简答题】阅读理解。 An old friend from California was going to spend a few days with me. He called me from the station to tell me that he had arrived. I wasn't able to leave the office, but I had got ready for his ...
【单选题】The doctor _____ smoke from then on. [ ]
A.
told me not to
B.
suggests me not to
C.
advised me don't
D.
ordered me to not
【单选题】下列关于悬架功用描述错误的是?
A.
支承车辆，保持乘坐高度，把车轮连接到底盘或者车身上
B.
使轮胎保持与路面接触，让车轮与车辆的行驶方向保持一致
C.
让车轮作枢轴来转动，控制车辆进行转向
D.
吸收突然的车轮运动，减少路面冲击和振动的影响
【单选题】《计算机信息系统安全保护等级划分准则》（GB17859——1999）中规定了计算机系统安全保护能力的五个等级，其中要求对所有主题和课题就行自助和强制访问控制的是（ ）。
A.
用户自助保护级
B.
系统审计保护级
C.
安全标记保护级
D.
结构化保护级
【简答题】An old friend from abroad，＿＿＿I was expecting to stay with，telephoned me from the airport．
【简答题】His third grade teacher wrote, “His mother’s death has been hard on him. He tries to do his best but his father doesn’t show much interest and his home life will soon affect him _______ .”
【简答题】完形填空 （10%） A young man works hard on his lessons. He is very busy studying. He doesn’t have __1__ to rest. After sometime, he falls ill. Every night, when he goes to bed, he __2__ his eyes and tries t...
【单选题】1999 年 10 月国家质量技术监督局发布 的 “ 系统安全保护等级划分准则 ” ,主要依据 GB-17859 《计算机信息系统安全保护等级划分准则》和 GA-163 《计算机信息系统安全专用产品分类原则》 ,将计算机系统安全保护划分为 () 个级别
A.
3
B.
4
C.
5
D.
6
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