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

题型:填空题

问题:

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:(    )。

考点:全面调查和抽样调查
题型:填空题

脱疽表现为患肢黯红、紫红或青紫,下垂更甚,肌肉萎缩,趺阳脉搏动消失,患肢持久性疼痛,夜间尤甚。其证候是()

A.寒湿阻络

B.血脉瘀阻

C.湿热毒盛

D.热毒伤阴

E.气阴两虚

题型:填空题
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                      
题型:填空题

以下对食物热效应的解释,不正确的叙述是()。

A.过去称为食物特殊动力作用

B.因摄食而引起的能量额外消耗

C.这种额外能量消耗,伴有体温升高

D.这种额外能量消耗,与摄食无关

E.蛋白质的食物热效应最高

题型:填空题

以下()行为不符合中学生网络道德规范。

A.网上看视频

B.下载公共资源

C.用不文明语言聊天

D.玩网络游戏

题型:填空题

节肢动物门划分为哪几个纲?其划分依据是什么?

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