男，4岁。右后牙肿痛1周，
面近远中深龋洞，牙龈红肿，有一0.5cm×0.5cm脓肿，扪波动感，X线显示根分歧及近中根尖区大面积透射区，牙冠钙化完成，牙囊骨硬板不连续。面做过完善根管治疗
此牙初诊治疗方法为（）
A．开髓开放
B．局麻下脓肿切开
C．拔髓开放，脓肿切开
D．开髓开放、脓肿切开
E．口服消炎药物
参考答案：D
解析：
应急处理：开放引流、切开排脓。
Mr Brown lives in Sydney. His house is about five kilometers ____41___ his office and the bus can ____42___ him there. He likes football very much and wants to ___43___ the football matches. His wife likes to buy nice clothes and ___44___ her husband give all his wages to her and he has to do ___45___ she says. Then she always __46___ some fares (车费) back to him. Of course Mr Brown doesn’t have any money to buy the ___47___. One evening he went to watch a football match. He bought a ticket ___48___ all his money and he ___49__to go home ___50__ foot. When he ___51___ home, he was tired, but felt ___52___. Since then he began to go to work on foot. But he is ___53__ to tell his wife about it. This morning when he was having breakfast, he ____54__ a piece of news over the radio: the bus fares were going to __55__ in price. He hurried to turn it __56__, but it was too __57___. His wife asked, “What did the radio say?” He had to ___58__ her all he heard. Then he became sad and said, “ What a Pity!” “You must be happy, I think,” said his wife. “You will save some ___59___.” “Sorry, I can’t ___60__ with you.” said Mr Brown. “I won’t be able to watch two matches a month!”
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