问题 选择题

2008年,北京奥运会圣火欢迎仪式在北京 * * 广场举行.启动仪式上,中国国家 * * 胡 * * 把在中国的土地上点燃的第一支“祥云”火炬交给中国著名田径运动员、男子110米栏世界纪录保持者刘翔.观察有图中的旗帜和甲、乙两火炬手所传递的圣火火焰,关于甲、乙两火炬手相对于静止旗杆的运动情况,下列说法正确的是(旗杆和甲、乙两火炬手在同一地区)(  )

A.甲、乙两火炬手一定向左运动

B.甲、乙两火炬手一定向右运动

C.甲火炬手可能运动,乙火炬手向右运动

D.甲火炬手可能静止,乙火炬手向左运动

答案

由国旗的飘扬方向可知风向左吹,甲图火焰向左飘,那么甲物体可以静止;也可以向左运动,但是向左运动的速度小于风速;还可以向右运动.

乙图火焰向右飘,则乙物体只能向左运动,且向左运动的速度大于风的速度.故:ABC错误.

故选:D

完形填空
完形填空.请你阅读短文,选择每小题的一个最佳选项,并将其字母标号填入题前括号内.
    I first had physics lessons when I was in Grade Eight some years ago. In class, I   1   that there wasn't
a Nobel (诺贝尔) Prize winner from China. That made me sad, and I decided to change (改变)  it.   2  
after that, I got up early in the morning. I turned on the light and took out a physics book. Then I started 
 3   quietly. I worked so hard because I had a great   4   - one day, I would be the first   5   person  to
win the Nobel Prize in physics. Later on, I found physics at school too easy for me. I wanted to lean   6  ,
 so I made a reading plan and started to find answers to more difficult problems.
    Now I am a top student in physics. I won the first prize in the national physics competition  last monh. 
And I am happy to be closer to my dream after a few    7    hard work. Of course,    8    I have some
problems. My classmates  always    9    me when they are  talking about  fashion  (时尚) or pop stars,
because I  know   10   about them. "Well, that doesn't matter too much," I tell myself. "They don't know
much about physics , but I won't laugh at them."
( )1. A. joined
( )2. A. So
( )3. A. writing
( )4. A. dream
( )5. A. Chinese
( )6. A. much
( )7. A. weeks'
( )8. A. usually
( )9. A. depend on
( )10. A. anything
B. heard  
B. But    
B. reading
B. idea  
B. Canada
B. more  
B. months'
B. always
B. look at
B. nothing
C. studied  
C. And      
C. thinking   
C. plan     
C. American  
C. most    
C. years'    
C. sometimes
C. laugh at  
C. everything
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