试题与答案

放射治疗的基础是利用了X线特性的() A.射频效应 B.荧光效应 C.感光效应 D.

题型:单项选择题 B1型题

题目:

放射治疗的基础是利用了X线特性的()

A.射频效应

B.荧光效应

C.感光效应

D.电离效应

E.穿透性

答案:

参考答案:D

解析:3.X线具有穿透性、荧光效应、感光效应及电离效应四种基本的特性,其中穿透性是X线成像的基础;荧光效应是透视检查的基础;感光效应是X线摄影的基础;电离效应是放射治疗的基础,也是进行X线检查时需要注意防护的原因。

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题型:阅读理解

阅读理解。

     Tomorrow is Mother's Day. Susan wants to give a present to her mother. Father tells her to go to the

shop and try to find something.Susan hurries(匆忙) to the shopping center(中心) and goes to the women's store. She has $3.00. First she thinks she will get her mother something to wear. Then she thinks she will

buy something for her to use (使用).

    But she only has $3.00. She can't buy any nice dress. She sees a nice red hat. She knows her mother

will like it. But it is too expensive. It is $10.00.

    The saleslady looks at her and then looks at the hat. She takes off(取下) the price tag(标签) and says, "That's exactly(恰好) $3.00. "

1. Why does Susan want to give a present to her mother?

A. She loves her mother.

B. Her father asks her.

C. Tomorrow is Mother's Day.

D. She is a good girl.

2. Where does Susan go?

A. To the shop.

B. To a book shop.

C. To the women's store.

D. To the supermarket.

3. What’s the meaning of ‘saleslady’?

A. 妇女

B. 母亲

C. 女售货员

D. 工人

4. What is the price on the price tag?

A.$3.00.

B. ¥3.00.

C.$10.00.

D.¥10.00.

5. Why doesn't Susan buy the dress?

A. She doesn't like it.

B. Her mother doesn't like it.

C. The dressis not beautiful.

D. She doesn't have much money(钱) with her.

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