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如何把滑盖音去掉？

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题型：问答题 简答题

题目：

如何把滑盖音去掉？

答案：

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参考答案：A

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题型：完形填空
完形填空。
     I didn't think I had a passion (激情). I would sit in front of the TV all day, thinking about nothing but the
next   1  .
     It was not long ago that I first learned how   2   having a passion is to life.
     That day I went with my mum to drop my sister off at the gym. I was bored. Then, as my mum stopped
at a red light, someone on the side of the road caught my   3  . It was a man dressed in rags. He was homeless.
That didn't   4   me, for I had seen many like him before.
     But in some way he was   5  . This man was not sitting down with a sad expression. He had a radio in his
hand and was dancing happily to the music. The   6   seemed to be the most precious thing he had.
     "Mum, why does that man have a radio even though he's homeless?" I asked.
     "He   7   it," she replied. I was still unable to   8  .
     "But if he's homeless, why doesn't he use the money to buy food or clothes? He   9   it on something he
doesn't need."
     "Well, Sarah, sometimes food and clothes aren't the most important things. We need happiness, too."
     That man must care enough about  10  to buy a radio instead of food or clothes. I soon realized that
happiness is the key to life. Without it, there's nothing to look forward to.
     Since then I've never gone a day without thinking of what's truly important. A home, a meal, clothes-these
things are only part of the picture. What's often forgotten is that we all need a pleasure, a light in a dark day.
We all need a passion.
( )1. A. day        
( )2. A. interesting
( )3. A. arm        
( )4. A. stop       
( )5. A. different  
( )6. A. home       
( )7. A. borrowed   
( )8. A. understand 
( )9. A. collected  
( )10. A. money      		B. man       
B. important 
B. eye       
B. annoy     
B. wonderful     
B. radio     
B. owned     
B. explain   
B. wasted    
B. music      		C. show      
C. successful                   
C. foot      
C. interest  
C. funny     
C. food      
C. bought    
C. believe   
C. fixed     
C. meal      
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题型：问答题

如图所示，一排人站在沿x轴的水平轨道旁，原点O两侧的人的序号都记为n（n＝1，2，3，…），每人只有一个沙袋，x>0一侧的沙袋质量为14千克，x<0一侧的沙袋质量为10千克。一质量为M＝48千克的小车以某初速度从原点出发向正x方向滑行。不计轨道阻力。当车每经过一人身旁时，此人就把沙袋以水平速度u朝与车速相反的方向沿车面扔到车上，u的大小等于扔此袋之前瞬间车速大小的2n倍（n是此人的序号数）。

（1）      空车出发后，车上堆积了几个沙袋时车就反向滑行？

（2）      车上最终会有几个沙袋？

 
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