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问题 多项选择题

下列选项中受X线控制器控制的是

A．管电压

B．管电流

C．摄影时间

D．密度

E．对比度

答案

参考答案：A,B,C

解析： X线控制器能控制管电压、管电流和摄影时间等参数。

完形填空

IV. 词汇、句型与写作 ( 共四节，满分50分)

第一节    语法填空（共10小题，每小题1.5分，满分15分）

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为61-70的相应位置上。

I was always told that the three Ps, --- patience, positive thinking and perseverance (毅力) were a sure path to success. But this advice does not always work   61   _ planned. One of my high school maths exams is one example.  The exam,   62   _ was originally (最初) to be held in our classroom，

   63  _ (change) to the library at the last minute. This,   64   , didn’t make me feel worried because maths had always been my strongest of all the subjects. I patiently walked to the library, took my seat and did some deep breathing in order to help relax   65   . But my mood (情绪) quickly changed when I saw    66   first question. I really had no idea how to do it. I tried to keep calm as my teacher had told me but after I thought it over for a few minutes, I still couldn’t find the solution to it. Even then I wasn’t discouraged and tried my best to stay positive and persevered   67    I finally worked it out. With the problem   68     (solve ), I felt delighted and very proud of my achievement. But    69    ( fortunate ),  just at that time I realized that I had only ten minutes left    70    (complete ) the rest.
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选择题

所谓“磨刀不误砍柴工”，“文武之道，一张一弛”的道理告诉我们在学习过程中，要注意[ ]

A、既要学文又要学武

B、劳逸结合

C、基础知识的学习

D、保持高度紧张
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