患儿，9岁，右下后牙肿痛。检查：右下第二乳磨牙冠大部分破坏，龋洞较深，叩诊（+），松

发布时间：2017-05-04 14:44 │ 来源：www.tikuol.com

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问题：

患儿，9岁，右下后牙肿痛。检查：右下第二乳磨牙冠大部分破坏，龋洞较深，叩诊（+），松动Ⅱ度。颊侧牙龈处有0.5mm×0.5mm脓肿。X线片示：牙根吸收1／3，根分歧有低密度影。右下第二前磨牙牙根形成2／3。

如果治疗后，右下第二乳磨牙仍然松动且X线发现，右下第二前磨牙牙胚牙囊骨壁有破坏，应作的处理是（）

A.开放，定期换药

B.完善根管治疗

C.拔除，做功能矫治器

D.拔除，不需要做保持器

E.拔除，做保持器

考点：口腔内科(医学高级)口腔内科综合练习口腔内科综合练习题库

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完形填空。

A boy who was cleaning shoes in the street said to a young man 1 by, "Let me clean your shoes, 2 ?"
The young man said, "No, thank you." "You may 3 me only a pound for that, sir." said the boy. 4 the
young man refused again.
Then the boy told him that he would clean his shoes for 5 . The young man agreed to this, and soon one
of his shoes was shining brightly. The man put 6 shoe on the boy, but the boy refused to clean it unless he
7 two pounds for his work. The young man refused to pay anything and went away. But one looked 8
dirty that he couldn't walk away. He had to 9 and gave the boy 10 . In a very short time his shoes shone
brightly.

( ) 1. A. passed
( ) 2. A. will you
( ) 3. A. spend
( ) 4. A. And
( ) 5. A. Anything
( ) 6. A. another
( ) 7. A. paid
( ) 8. A. such
( ) 9. A. return back
( ) 10. A. only one pound

B. passing
B. do you
B. cost
B. Then
B. Something
B. otheres
B. pays
B. so
B. go away
B. half a pound

C. pass
C. don’t you
C. take
C. But
C. Everything
C. the others
C. was paid
C. very
C. come back
C. two pounds

D. passes
D. can you
D. pay
D. Or
D. Nothing
D. the other
D. pay
D. quite
D. leave
D. one and a half pounds

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结核性脑膜炎的炎性渗出物多聚集于（）

A.大脑表面

B.小脑周围

C.脑底部

D.脊髓膜

E.脑室内

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要提高CPU的性能，CPU生产商常采用的方法包括（）

A.提高CPU的时钟频率

B.增加Cache的容量

C.采用超线程技术

D.以上均是

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题型：单项选择题共用题干题

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（）是高分子防水材料止水带物理性能的检测项目。

A.拉伸强度

B.体积膨胀率

C.施工度

D.扯断伸长率

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