问题
单项选择题
男性，16岁。右下后牙咬硬物时略感不适1年余。口腔检查：牙列整齐，牙周检查（-），
叩诊（+），颊侧牙龈有窦道，松动Ⅰ度，牙体未见明显龋坏，
面可见圆形黑环。最可能的诊断是（）
A．隐匿龋
B．牙隐裂
C．牙周炎
D．畸形中央尖
E．面过度磨损
答案
参考答案：D
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男性，16岁。右下后牙咬硬物时略感不适1年余。口腔检查：牙列整齐，牙周检查（-），叩诊（+），颊侧牙龈有窦道，松动Ⅰ度，牙体未见明显龋坏，面可见圆形黑环。最可能的诊断是（）
A．隐匿龋
B．牙隐裂
C．牙周炎
D．畸形中央尖
E．面过度磨损
参考答案：D
| 完形填空。 | ||||
| He is a _1_boy. His name is Wu Lin. He is a high school _2_. He is eleven. He is in Class Two, Grade One. He _3_ a round face and big eyes. He has beautiful _4_. His father is a Chinese teacher. His mother is an _5_teacher. They are _6_teachers. They are in_7_ schools. Their (他们的) students _8_ them. He _9_ have a sister or a brother. But he has two friends. They are in the same class. He loves (爱) his parents. He loves his friends, too. He is happy. He has a _10_ family. | ||||
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