高考一轮复习学案人教版必修二《Unit 2 The Olympic Games》_高考复习指南

　　A．It provides clear photos of moving organs.

　　B．It can take 3dimensional (三维) pictures of inside organs.

　　C．It won't cause serious skin burns，cancer or other damages to the body.

　　D．It helps to find out what is going on inside a person's body without opening it up.

　　解析：细节理解题。根据第四段中的“The latest CAT scanners can even give clear pictures of active，moving organs”可知选A项，

　　答案：A

　　8．We can infer from this passage that ________.

　　A．patients in front of CAT scanners may suffer from a bit of radiation

　　B．doctors need no openingup of the body with CAT scanners

　　C．CAT scanners are more expensive than regular Xray machines

　　D．CAT scanners can take photos of either the whole body or a part of it

　　解析：推理判断题。根据倒数第二段中的Yet CAT scans actually don't cause the patient to more radiation than regular Xrays do.可以推出答案为A项。

　　答案：A

　　9．The best title of this passage might be ________.

　　A．the Newest Medical Invention

　　B．New Xray Machine to Save Lives

　　C．How to Avoid the Damage of XRays

　　D．Advantages and Disadvantages of CAT Scanners

　　解析：标题选择题。根据全文内容可知，本文主要介绍新型Xrays仪器在医学上的应用与优点，故选B项。

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