问题
单项选择题
牙周炎除四大症状外,晚期伴发症状是( )
A.牙周袋形成
B.牙龈炎症
C.牙槽骨吸收
D.牙移位
E.牙齿松动
答案
参考答案:D
解析: 牙周炎的症状:牙周袋形成、牙龈炎症、牙槽骨吸收、牙齿松动。牙齿移动是晚期伴发症状。
牙周炎除四大症状外,晚期伴发症状是( )
A.牙周袋形成
B.牙龈炎症
C.牙槽骨吸收
D.牙移位
E.牙齿松动
参考答案:D
解析: 牙周炎的症状:牙周袋形成、牙龈炎症、牙槽骨吸收、牙齿松动。牙齿移动是晚期伴发症状。
Mrs. Brown lived in a small town near a big farm. One Friday afternoon after she finished housework, she went to her small shop. She opened the window of the shop and outside. She liked to see the green farm. There were many cows, horses and small animals the farm. Suddenly she saw a kangaroo(袋鼠) under her window. It was interesting to see that it was an old jacket. It stood there and looked hungry. Mrs. Brown gave some bread water to it. The kangaroo ate them . Then it became happy and jumped away. Suddenly something dropped on the from its jacket pocket. It was a wallet! She picked it up, opened and found there was $300 and a photo in it. That was a man's photo with his name "John" on it. John? She looked more and remembered she had a brother many years ago. His name was also John. "Is this man my lost brother?" she thought. She took the wallet with her and began to the man. She asked many people in the town, and then she came to the farm and asked the farmer. To her great surprise, it was John, her lost brother. They were very excited and to see each other.
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