问题 解答题

外语学校装修多媒体教室.计划用边长3分米的釉面方砖铺地,需要900块,实际用面积25平方分米的正方形大理石铺地,需要多少块?(用比例知识解答)?

答案

设需地X块,根据题意列比例得,

25X=3×3×900

25X=8100,

X=8100÷25,

X=324,

答:需要324块.

单项选择题
阅读理解

根据短文内容,选择最佳答案。

     One day an Indian went to his doctor. The doctor looked him over and said, "Medicine ( 药)won't

  help you. You must have a good rest. Go to a quiet place for a month, go to bed early, drink milk, walk

  a lot, and smoke( 吸) only one cigar ( 烟) a day. "

     A month later the Indian came to see the doctor again.  "How are you?"said the doctor, "I'm glad to

 see you again. You look much younger. " "Oh, doctor, I feel quite well now!"said the Indian.  "I had a

  good rest. I went to bed early, I drank a lot of milk. I walked a lot . You certainly helped me. But you

 told me to smoke one cigar a day, and that one cigar a day almost killed (杀死) me at first. It was no joke

  to begin smoking at my age. "

1. One day an Indian _____.

    A. wasn't feeling well    

    B. went to see a friend    

    C. felt very tired  

    D. went to his doctor and helped him

2. His doctor _____.

    A. could not help him  

    B. was good to him    

    C. told him what to do  

    D.  was glad to see him

3. When the Indian came to see the doctor again _____.

    A. the Indian was younger    

    B. the doctor was not free    

    C. the Indian  felt quite well    

    D. the doctor looked him over

4. The Indian told the doctor _____.

    A. he liked doing all those things    

    B. he almost killed him    

    C. to smoke one cigar a day  

    D. one cigar a day was very difficult at the beginning

5. From this story we can guess _____.

    A. the Indian was not a young man    

    B. the doctor was very interesting   

    C. the doctor was a good one    

    D. the Indian didn't smoke at first