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How can you find out what is going on inside a person' s body without opening the patient up? Regular X-rays can show a lot. CAT scans can show even more. They can give three-dimensional(三維) view of body organs(器官).

What is a CAT scan? CAT stands for Computerized Axial Tomography(層面X線照相術(shù)). It is a special X-ray machine that gets a 360 - degree picture of a small area of a patient's body.

Doctors use X-rays to study and examine diseases and injuries within the body. X-rays can find foreign objects inside the body or to take pictures of some organs inside if special things as dyes or special liquids are added to the organs to be X-rayed.

A CAT scanner, however, uses a beam(光束) of X-rays to give a cross-sectional view of a particular part of the body. A fine beam of X-rays is scanned across the body and circled around the patient from many different angles(角度). A computer analyzes(分析) the information from each angle and produces a clear cross-sectional picture on the screen. This picture is then photographed for later use. Several cross-sections, taken one after another, can give a clear "photo" of the entire body or of any body organs. The newest CAT scanners can even give a clear picture of active, moving organs just as a fast-action camera can "stop the action" giving clear pictures of what appear only mistily(模糊) to the eye. And because of the 360 - degree pictures, CAT scans show 3-dimensional views of organs in a manner that was once only seen during surgery or autopsy (examining a dead body).

69. According to the first two paragraphs, doctors can see the inside of a patient's body by ______.

A. giving the patient an operation

B. checking body organs

C. getting a 360-degree picture of a small area of a patient's body

D. examining the CAT

From the last paragraph, we can infer that ______.

A. the newest pictures become more misty

B. many pictures can be taken at the same time

C. the information about the scanned patient is not highly valued

D. some pictures of the scanned parts of the body are developed for further examinations in the future

The best title of this passage might be ______.

A. Modern X-ray               B. Three-dimensional View

C. Fast - moving Camera       D. CAT Scan

【小題1】C

【小題2】D

【小題3】D


解析:

【小題1】常規(guī)的手術(shù)、檢查無法透視病人,只有外科手術(shù)、尸檢、CAT技術(shù)才能讓醫(yī)生達(dá)到目的。CAT是技術(shù),不是圖片,因此選項D錯。

【小題2】根據(jù)最后一段第4句 This picture is then photographed for later use.

【小題3】文章主要講述的是CAT技術(shù)在醫(yī)學(xué)上的使用,選項D比選項A更準(zhǔn)確。

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Today, we talk to an up-and-coming (有前途的) erhu player, Lee Hang, from Hong Kong. He’ll play with the Hong Kong Orchestra (管弦樂隊) next Sunday in a special concert by young Chinese musicians.

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Lee: Yes, I am. This is the first time that I’ve played with such a famous orchestra and in front of so many people. They’re expecting about 4,000 people.

Interviewer: Does that scare you?

Lee: To be honest, yes. I haven’t slept much in the last few days. But my teacher told me I wouldn’t take it seriously enough if I wasn’t scared. That helped a lot.

Interviewer: Tell me about why you started playing the erhu.

Lee: My parents took me to piano and violin lessons. I quite liked them but they had to force me to go sometimes. One night, I saw a documentary about Yo Yo Ma, the famous Chinese American cello(大提琴) player. He talked about his love of Chinese instruments and we should follow our interests. I always enjoyed listening to Chinese instruments like the erhu and guzheng. That inspired me to learn the erhu. My parents were glad that I was playing something I actually liked.

Interviewer: What do your friends think of you playing a Chinese instrument?

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Lee: I’d like to study music in a university in China then hopefully play in orchestras. My ambition is to bring the beautiful sound of the erhu to all the corners of the world.

Interviewer: Well, if anyone can, it’s you. Thanks for talking to me, Lee. Good luck.

Lee: Thanks.

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Lee started playing the erhu ________ a film about Yo Yo Ma.

A. before seeing   B. while seeing   C. after seeing    D. to copy

Lee likes playing the erhu _______ the piano and violin.

A. less than   B. as much as   C. more than    D. because his parents like

Lee’s friends thought _______ was great.

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科目:高中英語 來源:福建省廈門大學(xué)附屬科技中學(xué)2009-2010學(xué)年度高一第二學(xué)期期中考試英語試卷 題型:閱讀理解

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Being late at interviews produces a bad impression. The first impression the interviewer gets of you formed as you walk through the door , so take a couple of deep breaths .
Be ready to shake hands of the interviewer offers .
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Asking can show knowledge and avoid mistakes even before you begin . You can check on these later , when the hope for job is offered . 

And if you fail , look upon the interview as an experience in itself , learn from it .

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