搜题请搜索小程序“爱下问搜题”
问题 选择题

沟通是化解矛盾的良药，它的好处在于[ ]

①可以明确问题的症结所在

②可以找到双方都能接受的办法

③可以得到父母的理解

④某些时候甚至会改变父母的主意使我们如愿以偿

A、①②③

B、②③④

C、①②④

D、①②③④

答案

答案：D

完形填空
完形填空。
     Everyone needs friends. We all like to       1   close to someone. It is nice to have a friend to talk,
laugh, and to do things with.     2      , sometimes we need to be alone. We don't always want people
   3   . But we would feel lonely if we never had a friend.
     No two people are just the same. Friends    4        don't get on well. It doesn't mean that they no
longer      5    each other. Most of the time they will  make up(重归于好) and become friends again.
     Sometimes friends move away. Then we feel very    6      . We miss them very much, but we can
     7   them and write to them. And we can make new friends. It is surprising to find out    8   we like
new people when we get to know them.
     There is more good    9      for people who have friends. They live longer than people who don't,
Why? It     10   be that they are happier. Being happy helps you stay well. Or it could just know that
someone cares. If someone cares about you, you take better care of yourself.
( ) 1. A. watch      
( ) 2. A. Nearly    
( ) 3. A. around    
( ) 4. A. always    
( ) 5. A. know      
( ) 6. A. angry      
( ) 7. A. ask        
( ) 8. A. how much  
( ) 9. A. confidence
( )10. A. must       		B. feel      
B. hardly    
B. alone      
B. often      
B. think      
B. sad        
B. call      
B. how long  
B. thought    
B. should     		C. look      
C. Certainly  
C. away      
C. sometimes  
C. hate      
C. happy      
C. tell      
C. how many  
C. knowledge  
C. could      		D. see          
D. Suddenly    
D. above        
D. usually      
D. like        
D. surprised    
D. order        
D. how often    
D. news        
D. need        
查看答案
填空题

下面是初中常见化学概念之间的相互关系。

(1)根据下列物质分类表，请写出以Na、H、O、S等元素组成的与表中物质类别不同的化学式，填在相应的空格里。

(2)下表列出了部分元素的原子结构示意图。

请回答下列问题：

钙原子的核内质子数为____，镁原子的最外层电子数为____，氯原子在化学反应中易____（填“得”或“失”）电子，钾元素和氧元素所组成化合物的化学式为____。

(3)锌在干燥空气中很稳定，在潮湿空气中，容易发生反应，其反应的方程式可以表示为：4Zn+2O2+3H2O+X==3Zn(OH)2+ZnCO3。则X的化学式为____。

(4)下图是表示气体分子的示意图，图中“○”和“●”分别表示两种不同的原子，其中表示化合物的是____，表示混合物是____，表示单质的是____。
查看答案