题目内容

【题目】请你利用图中所提供的3个数据,自拟一道有关化学方程式的计算题,并写出解答过程.

【答案】自拟试题:要制得56kg含杂质3%的生铁需要含Fe2O3 80%的赤铁矿石多少千克?(或多少千克含Fe2O3 80%的赤铁矿石,可以炼出56kg含杂质3%的生铁?)

解:设需要含Fe2O3 80%的赤铁矿石的质量为x.

Fe2O3+3CO2Fe+3CO2

160 112

x×80% 56kg×(1-3%)

160︰112=(x×80%)︰[56kg×(1-3%)] x=97kg

答:要制得56kg含杂质3%的生铁需要含Fe2O3 80%的赤铁矿石97kg.

【解析】解:设需要含Fe2O3 80%的赤铁矿石的质量为x.

Fe2O3+3CO2Fe+3CO2

160 112

x×80% 56kg×(1-3%)

160︰112=(x×80%)︰[56kg×(1-3%)] x=97kg

答:要制得56kg含杂质3%的生铁需要含Fe2O3 80%的赤铁矿石97kg

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【题目】Ⅵ.阅读理解。

A broken brown robot is lying on a beachwhile another strong green robot stands on the opposite side of the seaEverything is so vivid(生动的),including the grasssand and waterThis is not a scene from a moviebut is Wang Yaolis Gundam model(高达模型)work called Island RaidShe is a 14 year-old girl from Chongqing Furen High SchoolThe model work won her the Gunpla Builders world Cup 2014a top Gundam model competitionThis yearher model work Hug won third place in the competition

Wang Yaoli is a super Gundam model and cartoon fanIn primary schoola Gundam model gift from her painting teacher made her fall in love with the models“It was so coolI couldn’t help but try it for myself”she saidNow her room is full of cartoon books and models

In her eyesa model is a kind of art rather than just a toy“It takes patience(耐心),skills and creative ideas”she said“It is not simply putting the parts of robots togetherYou can add parts to show your own creativity”In her work Hu9she added an antenna(天线)onto the backpack of the robot

Wang Yaoli makes models only during summer vacation“It’s a big projectThere are many things to do like assembling(组装)and paintingIt takes me one month to make one robotSometimes I paint it again and again to make sure that I get the right color”she saidBut she never gets bored“I love itIn the futureI want to work in the cartoon field and help more people enjoy it”she said

1We learn from the passage that Island Raid is

A. a movies name B. a brown robot’s name

C. a green robots name D. a girl’s Gundam model work

2Which of the following about Wang Yaoli is TRUE?

A. She is a l 6-year-old girl

B. Her work Hug won second place this year

C. She fell in love with the Gundam models in primary school

D. Her math teacher once gave her a Gundam model in primary school

3What does Wang Yaoli think of model works?

A. A model is Just a toy for little children

B. It takes patienceskills and creative ideas to make models

C. A model is simply putting every part together

D. It is very boring

4According to the passageWang Yaoli

A. gets bored of making models

B. wants to be a painting teacher in the future

C. plans to work in the cartoon field in the future

D. thinks making models takes too much of her study time

5What is the best title for this passage?

A. A girls great interest in model works

B. Gundam model works are popular with young people

C. An interesting and cool toy

D. The development of robots

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