问题
单项选择题
患者男性，34岁，双侧后牙接触时疼痛不适，一过性疼痛。查体：右侧上后牙见多个银汞充填体，下后牙见金属全冠修复
其原因最可能为
A．咬合高点
B．充填时未垫底
C．流电作用
D．牙髓炎
E．急性根尖周炎
答案
参考答案：C
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患者男性，34岁，双侧后牙接触时疼痛不适，一过性疼痛。查体：右侧上后牙见多个银汞充填体，下后牙见金属全冠修复
其原因最可能为
A．咬合高点
B．充填时未垫底
C．流电作用
D．牙髓炎
E．急性根尖周炎
参考答案：C
The Quiet Hero 沉默的英雄 It was Mother’s Day, the day we celebrate everything mothers are and everything we do. But I’ll 1 that Sunday in 2000 was bittersweet for me. As a single mother I 2 to think of my shortcomings — how many evenings I couldn’t spend with my children, and how many things I couldn’t 3 my waitress’ salary to buy. But what 4 kids I had! My daughter Maria was a senior in college, and Denny was home visiting from his freshman year at Harvard University. They were 5 impolite enough to complain, but there was so much more I 6 I had done for them. I just hoped they ___7 . As I walked into the 8 quietly to start breakfast, I was greeted by a vase 9 a dozen red roses! When had Denny possibly slipped down to leave them? But even their delicate beauty was overshadowed by the note sitting beside them, in the quick, manly 10 of an eighteen-year-old. It was about a story that happened between Denny and me long ago. It 11 : She took a day off from her busy 12 to take the boy to see his hero in the flesh at the stadium. It took 3.5 hours just to get there, and they had to be there early 13 he could see his hero take batting practice. 14 their arrival, she took her hard-earned money to buy an overpriced T-shirt on which was 15 his hero making a diving catch. After the game, of course he had to 16 his hero’s signature, so she stayed with the little boy 17 one in the morning… It took me long enough to 18 it, but I finally know who the 19 hero is. Mom, I love you! And suddenly, it was a 20 Mother’s Day, after all.
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