X线片上判断牙槽骨高度降低的标准是牙槽嵴顶() A.与釉质牙骨质界平齐 B.到釉质牙

题型:单项选择题 A1/A2型题

问题:

X线片上判断牙槽骨高度降低的标准是牙槽嵴顶()

A.与釉质牙骨质界平齐

B.到釉质牙骨质界的距离小于1mm

C.到釉质牙骨质界的距离小于2mm

D.到釉质牙骨质界的距离大于2mm

E.到釉质牙骨质界的距离大于3mm

考点:口腔修复(医学高级)口腔修复综合练习口腔修复综合练习题库
题型:单项选择题 A1/A2型题

曲线派

题型:单项选择题 A1/A2型题

阅读理解

     I travel a lot, and I find out different "styles" (风格) of directions every time 1 ask "How can I get to

the post office?"

     Foreign tourists are often confused (困惑) in Japan because most streets there don't have names; in

Japan, people use landmarks (地标) in their directions instead of street names. For example, the Japanese will say to travelers, "Go straight down to the corner. Turn left at the big hotel and go past a fruit market.

The post office is across from the bus stop."

     In the countryside of the American Midwest, there are not usually many landmarks. There are no

mountains, so the land is very flat; in many places there are no towns or buildings within miles. lnstead of

landmarks, people will tell you directions and distances. In Kansas or Iowa, for example, people will say, "Go north two miles. Turn east, and then go another mile."

     People in Los Angeles, California, have no idea of distance on the map; they measure distance in time, not miles. "How far away is the post office?" you ask. "Oh," they answer, "it's about five minutes from here." You say, "Yes, but how many miles away is it?" They don't know.

     It's true that a person doesn't know the answer to your question sometimes. What happens in such a

situation? A New Yorker might say, 'Sorry, I have no idea." But in Yucatan, Mexico, no one answers "I

don't know." People in Yucatan believe that "I don't know" is impolite, They usually give an answer,

often a wrong one. A tourist can get very, very lost in Yucatan!

1. When a tourist asks the Japanese the way to a certain place they usually _________

A. describe the place carefully

B. show him a map of the place

C. tell him the names of the streets

D. refer to recognizable(可辨认的) buildings and places

2. What is the place where people measure distance in time?

A. New York.  

B. Los Angeles.  

C. Kansas.  

D. Iowa.

3. People in Yucatan may give a tourist a wrong answer ________

A. in order to save time  

B. as a test 

C. so as to be polite  

D. for fun

4. What can we infer from the text?

A. It's important for travelers to understand cultural differences.

B. It's useful for travelers to know how to ask the way properly.

C. People have similar understandings of politeness.

D. New Yorkers are generally friendly to visitors.

题型:单项选择题 A1/A2型题

防止粮谷类发热霉变生虫,应将贮存粮谷的水分含量控制在()

A.8%~10%

B.12%~14%

C.15%~20%

D.17%~22%

E.20%~25%

题型:单项选择题 A1/A2型题

旅游区(点)的等级划分依据有旅游交通、卫生、安全、邮电服务、游客抽样调查满意度等。

题型:单项选择题 A1/A2型题

早期舌癌(T1)单纯放疗的5年生存率可达()。

A.40%-50%

B.50%-60%

C.60%-70%

D.70%-80%

E.80%-90%

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