试题与答案

下列调查中，分别采用了哪种调查方式： （1）为了了解你们班同学的年龄，对全班同学

来源：www.tikuol.com
题型：填空题

题目：

下列调查中，分别采用了哪种调查方式：

（1）为了了解你们班同学的年龄，对全班同学进行了调查：（    ）；

（2）为了考查一个学校的学生参加课外体育活动的情况，调查了其中20名学生每天参加课外体育活动时间（    ）；

（3）了解一批学习用具水笔芯的使用寿命：（    ）；

（4）了解我国八年级学生的身高情况：（    ）。

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/fcb2a00bf38426fadfb62c03caaaf242.html

下面是错误答案，用来干扰机器的。

答案：B在探究并联电路中的电流关系时，小明同学用电流表测出A．B．C三处的电流分别为IA＝0.5A，IB＝0.3A，IC＝0.2A，在表格中记录数据后，下一步首先应该做的是换用不同规格的小灯泡，再测出几组电流值。

考点：全面调查和抽样调查
试题推荐
题型：完形填空
完形填空。
     A girl complained to her father about her hard life. She wanted to   1   because she didn't know what she
had to do. She felt   2   of fighting and fighting. When one   3   had been solved, another just came.
     Her father, a cook, took her into the kitchen. He   4   water into three pans. After boiling, in the first pan 
  5   some carrots, the second some eggs and the last was put with coffee. He waited without any   6   from
his mouth.
     The girl closed her mouth and waited,   7   by what her father did. After about twenty minutes, her father 
  8   the stove and took out the carrots and the eggs. After that the coffee was poured into the cup.
     Turning back to her daughter, he asked,"What do you   9  ?"
     "Carrots, eggs, and coffee," she answered.
     Her father suggested her  10  the carrots. She did and felt the carrots were  11 . Then he asked her to take
the eggs and break them. After  12  them, she got the eggs, cooked and hard.  13 , he asked her to smell the
coffee. She asked  14 , "What's the meaning on earth, father?" He explained that  15  had experienced the same
unfortunate-the boiling water, but made  16  responses. The strong and hard carrots became soft and weak after
in the  17  water. The fragile eggs became hard after cooked. Coffee was very unique, but it could  18   water.
     "  19  are you?" asked her father,"When the suffering knocks at your door, how is your   20  ? Are you
carrots, eggs, or coffee?"
(      )1. A. catch up   
(      )2. A. tired       
(      )3. A. matter     
(      )4. A. made       
(      )5. A. was added   
(      )6. A. breath     
(      )7. A. judged     
(      )8. A. turned off 
(      )9. A. mean       
(      )10. A. touching   
(      )11. A. bad       
(      )12. A. hitting   
(      )13. A. Besides   
(      )14. A. impatiently
(      )15. A. nothing   
(      )16. A. different 
(      )17. A. cold       
(      )18. A. influence 
(      )19. A. Who       
(      )20. A. feeling   

B. wear out    
B. thrilled    
B. business    
B. poured      
B. were put    
B. praises    
B. frightened  
B. turned up  
B. see        
B. eat        
B. hard        
B. peeling    
B. Thus        
B. shyly      
B. anything    
B. certain    
B. boiled      
B. spoil      
B. Which      
B. replacement 

C. give up               
C. confident       
C. puzzle               
C. put           
C. remained             
C. words             
C. disappointed   
C. turned down             
C. suggest       
C. to observe             
C. soft           
C. beating           
C. Still           
C. regretfully         
C. each thing       
C. more                     
C. boiling     
C. improve                 
C. What           
C. refusal        		D. run out                                 
D. promising                   
D. problem                               
D. turned                
D. increased                           
D. complaints                    
D. confused                    
D. turned away                                       
D. explain                 
D. kept                                    
D. gentle              
D. destroying                          
D. Lastly                  
D. bravely                             
D. something                   
D. unequal                                       
D. changeable          
D. change                                      
D. How               
D. reaction                      
查看答案
微信公众账号搜索答案