问题 推断题

下列框图中的物质均为初中化学常见物质,其中A是建筑材料的主要成分,B属于氧化物,H是金属单质,下图是它们之间的相互转化关系。请回答:

(1)写出下列物质的化学式:A 、                  C 、                     F、                  

(2)得到F溶液的操作方法为:                    

(3)若有气体X生成,则I为                      ;B转化为H的化学方程式为                                            ;若没有气体X生成,则G与F溶液反应的化学方程式为                                            ,该反应的基本反应类型属于                          反应。

答案

(1) A:CaCO3;C:CO2;F:NaOH

(2) 过滤

(3) Fe(OH)3(或氢氧化铁);3CO+Fe2O33CO2+2Fe; 2NaOH+CuCl2=Cu(OH)2↓+2NaCl ;复分解

阅读理解

Recently,an Internet game has become one fashion among young office workers and students.People can“farm” on a piece of “land” and “grow” ,“sell”or even“steal” “vegetables” ,“flowers”and “fruits” on the Net.They can earn some E-money and buy more“seeds” ,“pets” and even“houses”.

Huang Lin interviewed some young people.Here are their opinions.

Wang Hua:I don’t quite understand why they are so mad about the children game.Maybe they are just not confident enough to face the real world.

Zhang Ming:I enjoy putting some“bugs”in my friends’gardens and we’ve become closer because of the game.Having fun together is the most exciting thing about it.

Li Ming:You know,people in the city are longing for the life in the countryside.It reduces my work pressure;besides,it gives me the exciting experience of being a“thief”.

Zhou Xiaojun:Well,it’s just a waste of time.Teenagers playing the game spend so many hours on it that they cannot focus on  their study.

小题1:According to the passage,people can’t      things in this game.

A.grow         B.borrow           C.steal    

小题2:Among the people Huang Lin interviewed,      likes the game while         dislikes the game.

A.Li Ming;Zhang Ming   

B.Zhang Ming;Wang Hua

C.Li Ming;Zhou Xiaojun  

小题3:From Li Ming’s words,we can guess that he’s most probably     

A.his father     B.an office worker      C. a thief

小题4:Which is NOT the reason why people like the game?

A.They are longing for country life.

B.The game can relax people and give them a new experience.

C.They are confident enough to face the real world.

小题5:Where can you find this passage?

A.In a car magazine.

B.In an advertisement.

C.In a newspaper

单项选择题