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问题 单项选择题

下列联轴器中结构简单，径向尺寸小，被连接的两轴拆卸时需作轴向移动，通常用于两轴对中性要求严格、低速轻载的场合的是（）

A.齿式联轴器

B.滑快联轴器

C.套筒联轴器

D.万向联轴器

答案

参考答案：C

完形填空

第二节（共5小题；每小题2分，满分10分）

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

   61  ．He called the doctor and made sure they would meet at five．He arrived at the doctor's at twenty to five．He thought,“It's a little bit earlier．I'll wait for a moment．It's good to keep the time.”     62  ．He looked around and saw a noisy square（广场）not far from here．He went there and sat down on a chair to enjoy the last light of afternoon sun and make himself quiet．     63    ．

Suddenly he heard a girl crying．    64   ． Then he knew she got lost． John tried to find out her address and took her home．The girl's parents were very thankful．

   65   ．The doctor said angrily when he saw him, "You're late．Why did you keep me waiting for twenty minutes? " John said nothing but one word—"Sorry! "

A．Then he stopped his car in front of the doctor's

B．He came up to her and asked some questions

C．John sent for a doctor because his wife was ill

D．He felt angry with the doctorE. Then John hurried to the doctor's

F. The girl asked him for help

G. He saw some children playing and some women talking to each other happily
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选择题

_____ good time they had when they traveled in Taiwan!    [ ]

A. How        

B. How a         

C. What         

D. What a

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