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问题 单项选择题

通常一对圆柱齿轮传动比i12为（）。

A.3-5

B.5-8

C.3-8

D.1-3

答案

参考答案：B

完形填空
完形填空。
     " 1  don't you go back to the city?" Ted asks Bob. "A farm is no place for you. You are afraid
of everything. You are too  2  to play with us."
     Ted and his three brothers are not afraid of  3 . They climb high and jump far. They walk on top of
fences (篱笆). They ride the big farm horses. Their sister Sally does everything they  4 .
Bob wants so much to play with them! He and Ted are  5  ten years old. But Bob knows Ted is right.
Bob is afraid of almost everything. And he is small.
     The children often play Follow the Leader. Sometimes they let Rob  6  with them. But Bob is
afraid to  7  on a fence. He is afraid to climb on a roof (屋顶). Most of all, he is afraid to jump from a
high place. In Follow the Leader, there is always a hay (干草) jump. The leader climbs high inside the
barn (谷仓). Bob doesn't  8 . But  9   do. Then they jump into the soft hay.
     What fun they  10 ! Rob wants to have fun, too. But he is afraid.
( )1. A. Why        
( )2. A. tall      
( )3. A. everything
( )4. A. have      
( )5. A. both      
( )6. A. sit        
( )7. A. run        
( )8. A. climbs    
( )9. A. the others
( )10. A. do       		B. What    
B. good    
B. anything
B. does    
B. all      
B. play    
B. sit      
B. jump    
B. others  
B. have     		C. When      
C. small    
C. something
C. has      
C. just      
C. have      
C. walk      
C. see      
C. the other
C. want      		D. How      
D. fine    
D. things  
D. do      
D. only                                   
D. drink    
D. lie      
D. follow  
D. another  
D. playing  
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单项选择题


一般资料：男性，45岁，已婚，外企经理。
主诉：焦虑不安，伴头痛、失眠四个月。
临床表现：求助者在一家外企驻某市办事处任经理，已十余年。老板为美国人，常住美国，有时来本市。经营业务的内容是在本市组织货源，用集装箱海运到美国销售。前几年生意好做，自己的薪金较高，房子车子都有。妻子做中学教师，夫妻感情好，女儿正在上高中，学习优异。近一年来生意有些难做，老板似有不满之意，但是市场变化很复杂，自己虽然很努力，也不尽如人意。逐渐感到生意不会再有起色，为此忧心忡忡。最近四个月以来，开始担心货运船只会不会中途沉没，又担心美国老板会突发某种疾病不治身亡。有时想到虽然现在夫妻恩爱，等到将来退休白发苍苍，妻子仍然貌美年轻，可能会离婚再嫁，又想到女儿考—上大学后要面临工作择业和谈婚论嫁等诸多困难，自己如何能应付得了。伴有头痛、失眠、心慌、胸闷、烦躁，半夜醒来经常是一身大汗，坐立不安，吸烟量明显增加。睡不着觉就只好起来在房间里走来走去，既影响家人的睡眠，楼下的邻居也有意见，但自己也没有什么更好的办法。服用安定有些效果，但又怕长期服用会依赖成瘾。因此寻求心理咨询师帮助。

如果采用生物反馈法帮助求助者，除( )之外都比较合适。

A．肌电生物反馈仪

B．皮电生物反馈仪

C．磁带录像反馈仪

D．脑电生物反馈仪
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