问题 填空题

在中国古代诗词中,有很多诗句体现了数学的某些意境,如“明月松间照,清泉石上流”体现了对称的意境;“孤帆远影碧空尽,惟见长江天际流”体现了极限(或无限)的意境,请你再举出一例并说明其蕴涵的数学意义:______.

答案

如:“满园春色关不住,一支红杏出墙来”;

体现了微积分教学中的无界变量,无界变量是说,无论你设置怎样大的正数M,变量总要超出你的范围,即有一个变量的绝对值会超过M.于是,M可以比喻成无论怎样大的园子,变量相当于红杏,结果是总有一支红杏越出园子的范围.诗的比喻如此恰切,其意境把枯燥的数学语言形象化了.

故答案为:

完形填空
完形填空。
     I like science very much. I want to be a ____1____ when I'm older. But I don't know how to become one.
    There ____2____ one special answer for everyone, but I can tell you some ideas. Start with something from the world ____3____ you, and you can learn about it and understand it.
    Here are some suggestions(建议). How about birds? Ask your mum or dad it you can ___4___a cage. Then try to find someone who may ____5____ the birds and can teach you about the birds.
    How about numbers? You may think that maths is ____6____. But you will be surprised if you start
doing puzzles and games with them. ____7____ can be fun.
    How about stars? ____8___ someone among your friends who can help you pick out stars and groups of stars.
    There are lots of ideas ____9____ these. They are will be fun and teach you things. You will soon learn these things from nature. ____10____ are not science. They only help you understand it.
( )1.A. teacher  
( )2.A.  is      
( )3.A. around  
( )4.A. put      
( )5.A. know    
( )6.A. easy    
( )7.A. Numb ers
( )8.A. Look at  
( )9.A. as      
( )10.A. Books  
B. reporter  
B. isn't    
B. before    
B. give up    
B. know about
B. not easy  
B. Games      
B. Look up    
B. about      
B. Language  
C. scientist    
C. will be    
C. beside      
C. hand in      
C. learn        
C. interesting  
C. Puzzles      
C. Look for    
C. like        
C. Ideas        
D. doctor        
D. haven't      
D. in front of    
D. put up        
D. learn from    
D. not difficult  
D. Birds          
D. Look after    
D. for            
D. Messages      
单项选择题 A3/A4型题