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就信息安全而言，对网络资源的保护不包括（）。

A. 实用性
B. 完整性
C. 保密性
D. 可用性

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Section AFor every word in Column A, find its explanation in Column B.

Section AFillin the blanks with proper forms ofthe words given in the box.1. He loved tohimself with the football fans.2. I found her eyesdeep sadness.3. When night falls, stars.4. Ruth is a writer who has great writing.5. She spends hours on the phoneto her friends.6.Idon’tanymy old friend any more.7. The manager has his promise towages.8. Today more and more peoplechatting online.9. Actually I had to get over that.10. He has worked in another company before, so his fits him for the job.

患者女,22岁,右下6龋损,已完成治疗,准备做金属烤瓷冠,患者的牙弓弧度和邻牙凸度均正常,在恢复轴面凸度时,正确的是

A. 颊侧一般1/3
B. 颊侧颈1/3
C. 颊侧(牙合)1/3
D. 舌侧颈1/3
E. 舌侧(牙合)1/3

一患者,右上一般切牙金属烤瓷冠修复后,检查:金属烤瓷冠颜色形态良好,不松动,颈部边缘探诊可以探入冠内,邻接点牙线可以勉强通过,正一般(牙合)时(牙合)咬在金属烤瓷冠的瓷面上,你认为此冠

A. 合格修复体
B. 邻接过紧
C. 邻接过松
D. 金瓷结合区没计不当
E. 边缘不密合