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患者，男性，40岁，主诉2周以来右侧上后牙咬物不适，冷水引起疼痛。近2日夜痛影响睡眠，并引起半侧头面部痛，痛不能定位。检查时右侧上后牙未见明显异常、仅右上第二前磨牙浅楔状缺损。但右下第二磨牙远中邻面龋洞深，内塞满食物残渣，叩诊（+）。右下第一磨牙咬合面龋洞中深，叩诊（－），右下第三磨牙前倾阻生，颊侧龈轻度红肿

为确定牙位进行的检查是（）。

A.探诊

B.叩诊

C.松动度

D.温度测验

E.X线片检查

答案

参考答案：D

单项选择题

In the United States and in many other countries around the world, there are four main ways for people to be (91) about developments in the news: newspapers, magazines, and radio or television news broadcasts. A person may use one, or all, of these (92) for information. Each source is useful in its (93) way. Newspapers and magazines can give much information about a particular event. They may (94) some history of the event, some of its (95) , some of its effects, or perhaps give an (96) or point of view on a particular development. Radio and television can help a person to be well informed about what is happening each day. It is also (97) to listen to radio or watch TV (98) do something else at the same time. Many people can listen to the news on their car radio while driving (99) . For the student of English as a foreign language, an English language newspaper may be the most helpful news source that will also (100) you practice in reading English.
Most daily English language newspapers are not very hard to find. They are interesting and helpful in many (101) . In some of them, you may be able to find news about your (102) country. You will find news and information about important national and international political (103) . (104) what you are interested in, you can probably find something in the newspaper about it. A(n) (105) in the newspaper may help you solve a problem. Other stories may be about good movies, concerts, or TV shows.
Usually, an English language newspaper has several (106) or parts. Each part of the newspaper (107) stories about different kinds of news. Some sections have a lot of advertisements which may be helpful if you want to save money. By reading the advertisements, you may find something you want (108) sale. Or you may find that two stories are advertising the (109) thing, but at one store the price is lower. Other sections may have (110) advertisements or have only a specific type of advertisement to interest the people.

A．opinion

B．reason

C．decision

D．belief
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名词解释

角质层
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