患者，男性，60岁，右上颌第一、二磨牙残根，不松，左上颌中切牙和侧切牙松动Ⅲ度，根露

发布时间：2017-04-19 03:20 │ 来源：www.tikuol.com

题型：单项选择题

问题：

患者，男性，60岁，右上颌第一、二磨牙残根，不松，左上颌中切牙和侧切牙松动Ⅲ度，根露1／2，测血压160／90mmHg，心电图检查正常

拔除时，最适合选用的麻醉为（）

A.2％丁卡因表面麻醉

B.2％含肾上腺素普鲁卡因阻滞麻醉

C.2％含肾上腺素普鲁卡因局部浸润麻醉

D.2％的卡因局部浸润麻醉

E.2％利多卡因表面麻醉

考点：口腔内科(医学高级)医学高级(口腔内科)仿真试题四

题型：单项选择题

完形填空。

     In 1608, an Englishman named Thomas traveled in Italy. He liked the country and    1   down everything
interesting. But he found one thing    2   interesting than the others. In his diary Thomas wrote: "   3    the
Italians eat meat, they use small forks. They do not eat with their hands because, as they say, people do not
always have    4   hands."
     Before he went back to England, Thomas bought a few     5   .
     At home Thomas had a dinner party to show the forks to his friends. When the steak (牛排) was brought
out, he took out a fork and wanted to    6   the steak as the Italians did in Italy. His friends were   7    when
they saw this. He told them what the fork was. They all said that Italians were very strange people because
the fork was not easy to use at all. Thomas tried to prove that his friends were     8   , so he began to show
that it was easy to use the fork. But the first    9   of meat he took with the fork fell to the floor. His friends
began to    10   at him and he had to take the fork away.
     People in England began to use forks only fifty years later.

( )1. A. broke
( )2. A. less
( )3. A. Why
( )4. A. clean
( )5. A. knives
( )6. A. use
( )7. A. worried
( )8. A. honest
( )9. A. piece
( )10. A. scream

B. wrote
B. much
B. When
B. big
B. dishes
B. eat
B. bored
B. correct
B. kilo
B. look

C. went
C. even
C. Which
C. dirty
C. forks
C. make
C. tired
C. wrong
C. pound
C. shout

D. put
D. more
D. Where
D. safe
D. plates
D. cut
D. surprised
D. clever
D. packet
D. laugh

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对任意实数a,直线y=ax-3a+2所经过的定点是(　　)

A．(2,3)

B．(3,2)

C．(-2,3)

D．(3,-2)

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包装机械的作用是什么？

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目前，全球性大气污染问题的主要表现是（）

A.人口爆炸、资源枯竭、土地沙化

B.地震、火山、水灾、旱灾

C.大气污染、水体污染、噪声污染

D.温室效应、臭氧层破坏、酸雨

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角度观测时，误差来源有哪些？

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