某男性患者,41岁,缺失,要求做PFM桥修复,为基牙

PFM桥的桥体制作中下列哪项是不正确的

A:桥体在满足强度的情况下尽量缩小 B:尽量制作成瓷龈底 C:金-瓷结合部离开牙槽嵴黏膜区 D:上颌磨牙桥体舌面应制作成能承受力的形式 E:金-瓷结合部靠近牙槽嵴黏膜区

3,4,10,33,()

A:67 B:76 C:96 D:136

患者男,40岁,左上6缺失,要求做PFM桥修复,左上75为基牙。 如果有Ⅰ度松动,应该如何处理 ()

A:增加做基牙 B:增加做基牙 C:仍然采用做基牙 D:拔除改用做基牙 E:失活牙髓,行铸造桩加固后再用做基牙

尖牙保护的型特点是()

A:侧方运动时,工作侧只有尖牙形成接触 B:侧方运动时,工作侧只有尖牙脱离接触 C:侧方运动时,非工作侧只有尖牙形成接触 D:侧方运动时,非工作侧只有尖牙脱离接触 E:非正中时,双侧尖牙形成均匀接触

A recent study from the United States’ Center for Education has revealed that four years is 130 longer the norm when it comes to earning a Bachelor’s degree. Some students are taking more than five years to get one - if they finish at all.
The study showed that only about 33 per cent of the 1 million students nationwide who started college full time in autumn 1996 graduated in four years. Students who took five years accounted for 16 percent, while about 5 percent finished their coursework in six years. The rest of the students took even longer to graduate. Some never did.
How many of the students didn’t finish their coursework in four years according to the study

A:33%. B:16%. C:5%. D:67%.

对(25,18,9,33,67,82,53,95,12,70)按关键码值递增的顺序进行排序,采取快速排序法并以25为关键码,则第一趟排序后的序列为( )。

A:12, 18, 9, 25, 67, 82, 53, 95, 33, 70 B:18, 9, 12, 25, 33, 67, 82, 53, 95, 70 C:12, 9, 18, 25, 67, 82, 53, 95, 70, 33 D:9, 12, 18, 25, 33, 82, 53, 95, 67, 70

对(25,18,9,33,67,82,53,95,12,70)按关键码值递增的顺序进行排序,采取快速排序法并以25为关键码,则第一趟排序后的序列为( )。

A:12, 18, 9, 25, 67, 82, 53, 95, 33, 70 B:18, 9, 12, 25, 33, 67, 82, 53, 95, 70 C:12, 9, 18, 25, 67, 82, 53, 95, 70, 33 D:9, 12, 18, 25, 33, 82, 53, 95, 67, 70

对(25,18,9,33,67,82,53,95,12,70)按关键码值递增的顺序进行排序,采取快速排序法并以25为关键码,则第一趟排序后的序列为( )。

A:12, 18, 9, 25, 67, 82, 53, 95, 33, 70 B:18, 9, 12, 25, 33, 67, 82, 53, 95, 70 C:12, 9, 18, 25, 67, 82, 53, 95, 70, 33 D:9, 12, 18, 25, 33, 82, 53, 95, 67, 70

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