问题
单项选择题
乳牙根尖周病的临床表现不包括
A．早期症状明显
B．急性期剧烈疼痛
C．患牙松动
D．反复肿胀
E．叩痛
答案
参考答案：A
解析： 因乳牙根尖孔粗大，副根管多，根尖周组织疏松，根尖周病早期症状不明显，就诊时病变多较严重，相当一部分是出现急性牙槽脓肿或间隙感染之后方才就诊。因此本题的正确答案为A。
搜题请搜索小程序“爱下问搜题”
乳牙根尖周病的临床表现不包括
A．早期症状明显
B．急性期剧烈疼痛
C．患牙松动
D．反复肿胀
E．叩痛
参考答案：A
解析： 因乳牙根尖孔粗大，副根管多，根尖周组织疏松，根尖周病早期症状不明显，就诊时病变多较严重，相当一部分是出现急性牙槽脓肿或间隙感染之后方才就诊。因此本题的正确答案为A。
| 完形填空。 | ||||
| Xiao Qiang, a 12-year-old Chinese boy, has too many activities. His father 1 him away from school four afternoons a week and drives him across town to practice. "I do most of my 2 in the car when we are 3 to practice, and I have to do the rest when I get home. I am too tired, I just want to sleep." He said. "More and more kids become unhappy 4 they have too many activities to do." said Mr. Wang, an expert (专家) of child development. "41% of the children aged 9-13 said they felt 5 most of the time, and more than 75% of them said that they wished they had more 6 to play. "Over-scheduling (过量的课时安排) is a growing problem for Chinese famlies." said Mr. Wang. It is not good for both kids and their parents. More families eat dinner 7 or often eat fast food 8 their way to football practice or music lessons. We all know it is important for kids to learn how to relax. If they don't learn that now, it will be more difficult to learn when they get 9 . Kids need time to relax. Parents should 10 about what is right for kids. | ||||
|