第一节 听下面5段对话。每段对话后有一个小题,从题中给出的[A],[B],[C]三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你有10秒种的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 What is the most probable result of the conversation
A. The man got his telephone repaired.
B. The man got nothing.
C. The man got a new telephone.
What do people enjoy doing in the park in late autumn and winter
A. Taking photos.
B. Going for a walk.
C. Driving around the lake.
What did the television say about the weather for the whole day
A lot of rain.
B. Rain and showers.
C. A fine day but some showers.
患儿8岁,右上牙龋坏就诊,既往有进食不适。临床检查右上第二乳磨牙大面积龋坏。患儿配合不好。局麻下祛腐、穿髓,祛尽腐质及冠髓,根管口牙髓断面新鲜。 最可能的治疗是
A. 活髓切断术
B. 充填治疗
C. 直接盖髓术
D. 间接盖髓术
E. 干髓术