中小学教育资源及组卷应用平台
11 阅读表达之选择疑问句以及开放性试题
一：阅读表达之选择疑问句
1：题型概述
提出两种或两种以上的情况，要求选 ( http: / / www.21cnjy.com )择一种情况回答，这种问句叫做选择疑问句，选择疑问句的两种或两种以上的情况用or连接，回答时不能用yes或no。
1．一般选择疑问句句型：一般疑问句+or +被选择的情况？
-- Are you a teacher or a student？ --- I'm a student. 21*cnjy*com
2：开放性试题
1：问题形式
What’s the main idea of the passage
What are the main points about ... in this passage 【版权所有：21教育】
What can you learn from the passage
What does the writer want to tell us？
What are the purposes of ……
2：题型特点
1.要点通常包括两个或多于两个。
2.抓住文章的结构，要关注语篇结 ( http: / / www.21cnjy.com )构（总-分、分-总、总-分-总），组织语言时要避免使用不熟悉的句型、词汇或短语，尽可能用原文中的关键词语回答问题，但不能照抄原句，要对原文进行总结归纳。
概括大意回答方式：记住这些有用的句型：
It’s( about)…
It’s( about) what+主语+谓语, how+主语+谓语 why+主语+谓语 (注意介宾从句，主谓语序)
二：解题步骤
1看任务：略读任务 记住任务
2看文段：略读文段首尾句、段 ----- 带着任务细读---在文段中做标记定位--对比文段中标记处和对应任务
1 信息查找题：1.解题关键: 根据问题查找定位信息。
常用方法: 带着问题有意识地在关键处做标记
2 信息转换题：解题关键: 根据问题查找定位信息，加工分析并转换成另一种表达方式。常见的转换方式有：词性转换，词汇转换，句型转换【来源：21cnj*y.co*m】
3 信息归纳题：解题关键：根据问题查找定位信息，找共性的东西,归纳概括出最佳答案。
总结提升：
1. 从近年的中考题看，阅读与表达题所给的文章说明文居多，即有说明的对象，那么文章的主旨还是比较明确的。
2. 任何一篇说明文都是围绕 ( http: / / www.21cnjy.com )某个主题展开的，有些文章的主题句较明显，在文章的首段。也有的文章主题句不明显，但文中最明显的特点之一是有一个反复出现的中心词，即高频词，也就是我们常说的主题词。抓住了它，便容易抓住文章的中心。
3. 概括主旨离不开对全文结构的把握，纵观全文，找准找全要点。
4. 组织好语言，运用正确的句式，准确地表达出来。
三：例题分析
A
Mashonda shar ( http: / / www.21cnjy.com )ed an art class with Saree, where Saree always sat in the back and waited until the classroom was empty before heading into the hall. Mashonda wondered if Saree needed a friend.21教育网
One day, Mashonda ( http: / / www.21cnjy.com )took advantage of the chance to speak with Saree after class. Saree seemed surprised at this, but she gave Mashonda a shy smile as Mashonda introduced herself and started a conversation.
。。。。。。。。
You see, help ( http: / / www.21cnjy.com )ing others not only means giving other people happiness, but also means giving you a chance to know more about others.
1：What can you learn from the story
________________________________________________________________
答案： We shoul ( http: / / www.21cnjy.com )d get us a chance to know more about others./We should help others who are in need./.......言之有理即可
解析：主旨大意题；根据本文最后一段You ( http: / / www.21cnjy.com )see, helping others not only means giving other people happiness, but also means giving you a chance to know more about others.你看，帮助别人不仅意味着给别人幸福，也意味着给你一个机会来更多地了解别人。可得相关答案及表达
B
Traffic lights are ( http: / / www.21cnjy.com )red, yellow and green. They are very important signals(信号). Traffic lights are usually placed at busy street corners to help control traffic. Sometimes, they are on streets near schools and shops, too. Most young children are taught what each of the colored lights means, so everybody can stay safe.
。。。。。。。
Today, towns and citie ( http: / / www.21cnjy.com )s all over the world have traffic lights. Red and green lights match the signals used on the railways. Yellow lights are easy to see, so they are used to warn drivers that they should slow down and prepare to stop.
1：If you can design traffic lights, what is your suggestion
___________________________________________________
答案： I suggest pink sho ( http: / / www.21cnjy.com )uld be used to be the light of going against./.......
解析：本题让学生对于交通灯的设计提建议；属于完全开放性试题；只需言之有理即可.
C
A few years ago, ( http: / / www.21cnjy.com ) the Warrens sold their big suburban(郊区的) house. Then they moved to the countryside. Later they built a small house which was powered by wind!
Mr. Warren had be ( http: / / www.21cnjy.com )en reading about all the problems with the electrical system. He wanted his family to play a small part in saving the planet, so they decided to make their own electricity to power everything they needed in their daily lives. They produced their own power by using the wind and the sun. Mr. Warren believed that using the wind was a great way to make electricity and it was free and clean. They also set some batteries(电池) to store power.
。。。。。。。
Now, the Warrens ( http: / / www.21cnjy.com ) lives in this self powered countryside home. They generate(发电) their own electricity.21教育名师原创作品
How do you think people will get their electricity in the future 21*cnjy*com
答案：I think people will ( http: / / www.21cnjy.com ) use solar energy to get electricity in the future./........
解析：本题让学生对于未来的电力获取提出相关的遐想；属于完全开放性试题；只需言之有理即可.
四：课后作业
（A）
Yuan Longping ( http: / / www.21cnjy.com ) is a Chinese agricultural scientist and educator. He is known for developing the first hybrid rice (杂交水稻). He was born in Beijing in 1930. He loved playing the erhu, swimming and motorcycling. He graduated from the Southwest Agriculture College in 1953. Then he began teaching at an agriculture school in Anjiang, Hunan Province.
In 1960, a very seri ( http: / / www.21cnjy.com )ous food shortage happened in China. A large number of people died of hunger and illnesses. Yuan Longping could hardly fall asleep at night. He thought it was time for him to do something for his country and people. He decided to find a way to solve the problem. Since then, he had devoted himself to the research of a new kind of rice.
In 1964, Yuan found a ( http: / / www.21cnjy.com ) natural hybrid rice plant by accident. It had more advantages than others. He worked very hard with other scientists on it for many years. In 1973, the first hybrid rice appeared. It yielded (出产) 20% more than that of common rice. Chinese people solved the food problem by their own efforts.
But Yuan Longping di ( http: / / www.21cnjy.com )dn’t stop. He kept on his research. Now the “Super Rice” yields over 1,100 kilograms each mu. Chinese people have enough rice to eat, and hybrid rice has also brought good news to the people of many other countries all over the world.
By the achiev ( http: / / www.21cnjy.com )ements, Yuan Longping is called “The Father of Hybrid Rice”.
1. Was Yuan Longping born in Beijing or in Hunan
2. When did Yuan Longping develop the first hybrid rice
3. How many kilograms does the “Super Rice” yield each mu now
4. Can hybrid rice help the people in other countries 21·cn·jy·com
5. What is Yuan Longping called because of his achievements
参考答案：
(1) He was bo ( http: / / www.21cnjy.com )rn in Beijing .细节理解题。根据He was born in Beijing in 1930.可知，1930年生于北京。故答案为He was born in Beijing .
(2) In 1973.细节理解题。根据In ( http: / / www.21cnjy.com ) 1973， the first hybrid rice appeared.可知，1973年， 第一株杂交水稻问世。故答案为In 1973.【出处：21教育名师】
(3) Over 1，100 kilo ( http: / / www.21cnjy.com )grams each mu.细节理解题。根据But Yuan Longping didn't stop.He kept on his research.Now the "Super Rice" yields over 1，100 kilograms each mu.可知，但袁隆平没有停下脚步，他继续研究，现在"超级稻"亩产超过1100公斤。故答案为Over 1，100 kilograms each mu.
(4) Yes，it can.细节判断题。 ( http: / / www.21cnjy.com )根据hybrid rice has also brought good news to the peoples of many other countries all over the world.可知，杂交水稻也给世界各国人民带来了好消息。所以杂交水稻也能帮助其他国家的人民。故答案为Yes，it can.www-2-1-cnjy-com
(5) "The Father of ( http: / / www.21cnjy.com )Hybrid Rice" .细节理解题。根据By the achievements，Yuan Longping is called "The Father of Hybrid Rice".可知，袁隆平被誉为"杂交水稻之父"。故答案为"The Father of Hybrid Rice".
（B）
Poverty (贫困) is a b ( http: / / www.21cnjy.com )ig problem around the world. But China has found its own way to fight poverty. Instead of just giving money to poor people, it has tried to educate people and give them the tools they need to lift themselves out of poverty. Common people and good partnerships (合作) play a big role, President Xi Jinping honored role models in the fight. Here are two of them.
Born in Heilong ( http: / / www.21cnjy.com )jiang Province, Zhang Guimei traveled to Yunnan when she was 17. She has been helping girls get education for more than 40 years. As a teacher, Zhang was sad when she saw her students quit school (辍学). Many of them couldn’t go to college because their families couldn’t afford it. So in 2008, Zhang started a free school for poor girls. Since then, Zhang has been busy asking for donations (捐赠) to provide money for the school. She has convinced (说服) parents to send their daughters back to school. The school has sent more than 1,800 students to universities and colleges.
In 1997, Mao X ( http: / / www.21cnjy.com )ianglin started to work as the Party secretary of his village. Around the village are 1000-meter tall cliffs (悬崖峭壁), and there was only one pathway (小路) out of the village for many years. It took villagers three days to walk to the nearest town. Mao decided to build a road, He led more than 100 villagers to build the road with their hands. It took them seven years to build an eight-kilometer road. But their work has improved people’s lives. It now takes just one hour to drive to the nearest town. Mao then encouraged the villagers to grow oranges. Last year, their orange yield (产量) was nearly 40 tons. By the end of 2019, 269 villagers had been lifted out of poverty.
1. Did China fight poverty just by giving money to poor people
2. Why couldn’t many of Zhang Guimei’s students go to college
3. How many stu ( http: / / www.21cnjy.com )dents in Zhang’s school have been sent to universities and colleges
4. How long did Mao Xianglin and the villagers spend in building the 8-kilometer road
5. According to the passage, how did Mao Xianglin lift the villagers out of poverty
参考答案：
(1) No，it didn't.推 ( http: / / www.21cnjy.com )理判断题。根据But China has found its own way to fight poverty. Instead of just giving money to poor people，it has tried to educate people and give them the tools可知，但是中国找到了自己的脱贫之路。它不只是给穷人钱，而是努力教育人们，给他们脱贫所需的工具。故答案为No, it didn't.
(2) Because their f ( http: / / www.21cnjy.com )amilies couldn't afford it.细节理解题。根据Many of them couldn't go to college because their families couldn't afford it.可知，他们中的许多人因为家庭负担不起而不能上大学。故答案为Because their families couldn't afford it.
(3) More than 1，800 s ( http: / / www.21cnjy.com )tudents .细节理解题。根据The school has sent more than 1，800 students to universities and colleges.可知，学校已经把1800多名学生送到大学。故答案为More than 1，800 students
(4) Seven years .细节理解题 ( http: / / www.21cnjy.com )。根据It took them seven years to build an eight-kilometer road.可知，用了7年时间修 好了一条8公里长的路。故答案为Seven years.
(5) By growing or ( http: / / www.21cnjy.com )anges.细节理解题。根据Mao then encouraged the villagers to grow oranges.L ast year，their orange yield (产量) was nearly 40 tons.By the end of 2019，269 villagers had been lifted out of poverty.可知，毛接着鼓励村民们种橘子，去年橘子产量近40吨，到2010年底，已有9269户村民脱贫。故答案为By growing oranges.
（C）
A new report from a ( http: / / www.21cnjy.com ) university says 80% of the world's teens don't get enough exercise everyday. The report was based on (基于) a research done with about 2 million students aged 11 to 17 around the world. According to the report, activity standards are different in different countries and they are also different between boys and girls. In China, for example, only 20% of the boys are active enough, compared to 11% of the girls.
Why don't teens go out for exercise One main reason is that they always have technology products in their hands or around them. They spend too much time on smartphones, computers and TVs in their free time. Many teens find it very hard to pull themselves away from these devices (设备) . The report says that young people need to do less in the digital world but more
in the real world. It advises kids to get at least an hour of exercise everyday.This could include running, biking, playing sports,or many other outdoor activities.
More and more research shows that exercise not only helps the body, but also helps the brain. Besides, doing sports helps kids to make friends. Mark, a sports fan, started to play football when he was six years old. He used to be shy and weak, but now he has become taller and stronger. He gets to know the importance of communicating with his teammates and how to learn from mistakes and failure.And he has made lots of friends with the same interest. They often have football training on the playground.They have more to talk about and enjoy the happiness after training.
根据短文内容，回答下列问题
1.How many students around the world took part in the research
________________________________________________________________________
2.Are activity s ( http: / / www.21cnjy.com )tandards the same between boys and girls according to the report
________________________________________________________________________
3.What does the rep ( http: / / www.21cnjy.com )ort advise kids to do
________________________________________________________________________
4.When did Mark star ( http: / / www.21cnjy.com )t to play football
________________________________________________________________________
5.Where do Mark and his teammates often have football training 21cnjy.com
________________________________________________________________________
参考答案：
(1) About two milli ( http: / / www.21cnjy.com )on students. 细节理解题.根据第一段句子"The report was based on (基于) a research done with about 2 million students aged 11 to 17 around the world. "可知全世界大约有两百万学生参加.故答案为About two million students .
(2) No， they aren't. 细 ( http: / / www.21cnjy.com )节判断题.根据第一段句子"According to the report，activity standards are different in different countries and they are also different between boys and girls .，"可知根据报告，男孩和女孩的活动标准是不一样.故答案为No，they aren't.
(3) It advis ( http: / / www.21cnjy.com )es kids to get at least an hour of exercise every day.细节理解题.根据第二段句子" It advises kids to get at least an hour of exercise every day. "可知它建议孩子们每天至少锻炼一-小时. 故答案为It advises kids to get at least an hour of exercise every day .
(4) When he was six ( http: / / www.21cnjy.com )years old. 细节理解题.根据第三段句子" Mark,a sports fan，started to play football when he was six years old."可知当他六岁的时候开始踢足球.故答案为When he was six years old.2·1·c·n·j·y
(5) On the playg ( http: / / www.21cnjy.com )round.细节理解题.根据第三段句子"They often have football training on the playground. "可知马克和他的队友经常在操场上进行足球训练.故答案为On the playground.【来源：21·世纪·教育·网】
（D）
There are plenty of ( http: / / www.21cnjy.com ) myths(神话) to explain how the world came to have a moon to bring light to the night time. But now there is a plan for a man-made moon. It will give us much more light than the natural Moon.
China is prepa ( http: / / www.21cnjy.com )ring to put a man-made moon in the sky above Chengdu by the end of 2020. It will reflect sunlight back onto the Earth. If it succeeds, three more such objects will be sent out in 2022, according to Wu Chunfeng, a space scientist. Wu said it would be similar to how we get moonlight, but he predicted(预言) that the man-made moon would have eight times the brightness of the real one. This is because the object will be about 500 kilometers above the Earth. That will make it much closer to us than the Moon, which is over 380,000 kilometers away, Wu added.
If the plan works, ( http: / / www.21cnjy.com ) the man-made moon will save a lot of power. Scientists predicted that Chengdu could save around 1.2 billion yuan in electricity every year if a new moon lit up 50 square kilometers of the city. And in 2022, four man-made moons can take turns reflecting sunlight as they will not always be in the best position relative to the Sun. Together, they can give light to an area of up to 6,400 square kilometers on the Earth for 24 hours. That means its brightness will be seen in most areas in China, so reducing the need for streetlights.
1.Which country is pre ( http: / / www.21cnjy.com )paring to put a man-made moon in the sky above Chengdu by the end of 2020
____________________________________________________________________________
2. What does Wu Chunfeng do
____________________________________________________________________________
3. How far is it from the Moon to the Earth
____________________________________________________________________________
4. Will it reduce ( http: / / www.21cnjy.com ) the need for streetlights if the plan of man-made moons succeeds
____________________________________________________________________________
5. What do you think of this plan
________________________________________________________________________
参考答案：
(1)China解析:细节理解题，根据第二 ( http: / / www.21cnjy.com )段中China is preparing to put a man-made moon in the sky above Chengdu by the end of 2020.可知中国正准备在2020年底前在成都上空发射人造月亮。故答案为: China.2-1-c-n-j-y
(2)He's a space ( http: / / www.21cnjy.com ) scientist解析:细节理解题，根据第二段中If it succeeds, three more such objects will be sent out in2022, according to Wu Chunfeng, a space scientist. 可知据太空科学家吴春凤说，如果成功，2022年将再发射三个这样的物体。因此可知吴春凤是一名太空科学家。故答案为: He's a space scientist.
(3)It is over ( http: / / www.21cnjy.com )380,000 kilometers解析:细节理解题。根据第三段中That will make it much closer to us than the Moon,which is over 380,000 kilometers away, Wu added.可知这将使它比38万公里外的月球离我们更近。故答案为: It is over 380,000 kilometers.
(4)Yes, it will 解析: ( http: / / www.21cnjy.com )细节理解题。根据最后一段中That means its brightness will be seen in most areas in China, so reducing the need for streetlights. 可知这意味着在中国的大部分地区都能看到它的亮度，因此减少了对路灯的需求。因此可知如果人造卫星计划成功了，它会减少对路灯的需求。故答案为Yes, it will。 .
(5)It's very great ( http: / / www.21cnjy.com ) 解析:细节理解题。根据最后- -段中If the plan works, the man-made moon will save a lot of power. Scientist predicted that Chengdu could save around 1.2 billion yuan in electricity every year if a new moon lit up 50 square kilometers of the city. 可知如果计划成功，人造月亮将节省大量电力。科学家预测，如果一个人造月亮照亮成都50平方公里，每年可节省12亿元的电力。因此我认为这个计划既环保又能节省电力，是非常好的。故答案为：It's very great.
（E）
Mary was waiting ( http: / / www.21cnjy.com ) for the airplane to take off. She was happy to have a seat by herself. Just then, an air hostess(空姐) came up to her and asked, "Would you mind changing your seat " The girl behind Mary had a black-and-blue face and a sad expression. She had her arms broken, and she needed help. I don't want to sit there." Mary thought immediately. But the soft voice came again, "She needs help." Finally, Mary moved to that seat.www.21-cn-jy.com
The girl was na ( http: / / www.21cnjy.com )med Emily. She had been in a car accident and now was on her way for treatment(治疗).
When the snacks and ( http: / / www.21cnjy.com )juice arrived, Mary realized that Emily could not feed herself. Mary considered offering to feed her but hesitated(犹豫), as it seemed too impolite to offer service to a stranger. But then Mary realized that Emily's need was more important. Mary offered to help her cat. Although Emily was uncomfortable to accept, she agreed. They became closer and closer in a short time. By the end of the five-hour trip. Mary's heart had warmed, and the time was really better spent than if she had just sat by herself.
Mary was very ( http: / / www.21cnjy.com ) glad that the had sat next to Emily and fed her. Love sometimes goes beyond human border(边界) and removes(消除) the fears that keep people away. When we reach our hands to serve another, we grow to live in a larger and more rewarding (有回报的)world.
1. Did Mary enjoy sitting alone at first
________________________________________________________________________
2. What did the hostess ask Mary to do
________________________________________________________________________
3. How did Emily feel when Mary offered to feed her
________________________________________________________________________
4. What can re ( http: / / www.21cnjy.com )move the fears that keep us away from others according to the passage
________________________________________________________________________
5. What should we do to make the world larger and more rewarding
________________________________________________________________________
参考答案：
(1) Yes，she did.推理判 ( http: / / www.21cnjy.com )断题。根据Mary was waiting for the airplane to take off. She was happy to have a seat by herself.可知，玛丽在等飞机起飞。她很高兴自己有个座位。故答案为Yes，she did.21·世纪*教育网
(2) To change ( http: / / www.21cnjy.com ) her seat.细节理解题。根据Just then， an air hostess (空姐)came up to her and asked，"Would you mind changing your seat 可知，一位空姐走到她跟前问道: "你介意换个座位吗 "所以空姐叫玛丽换个座位。故 答案为To change her seat.
(3) Emily wa ( http: / / www.21cnjy.com )s uncomfortable .细节理解题。根据Mary offered to help her eat. Although Emily was uncomfortable to accept，可知，玛丽主动提出帮她吃饭，尽管艾米丽不愿意接受。所以当玛丽提出要喂艾米丽时，她有不舒服的感觉。故答案为Emily was uncomfortable .
(4) Love can remov ( http: / / www.21cnjy.com )e the fears.细节理解题。根据Love sometimes goes beyond human border and removes the fears that keep people away.可知，爱有时超越了人类的界限,让人们远离恐惧。所以根据这段文章，爱能让人们远离恐惧。故答案为Love can remove the fears.
(5) We shoul ( http: / / www.21cnjy.com )d reach our hands to serve another .推理表达题。.根据When we reach our hands to serve another ，We grow to live in a larger and more rewarding world.可知， 当
我们伸出双手为他人服务时， ( http: / / www.21cnjy.com )我们就生活在一个更大、更有回报的世界里。所以我们应该伸出双手为他人服务，才能使世界更大、更有价值。故答案为We should reach our hands to serve another.21世纪教育网版权所有
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11 阅读表达之选择疑问句以及开放性试题
一：阅读表达之选择疑问句
1：题型概述
提出两种或两种以上的情况，要 ( http: / / www.21cnjy.com )求选择一种情况回答，这种问句叫做选择疑问句，选择疑问句的两种或两种以上的情况用or连接，回答时不能用yes或no。
1．一般选择疑问句句型：一般疑问句+or +被选择的情况？
-- Are you a teacher or a student？ --- I'm a student. 21·cn·jy·com
2：开放性试题
1：问题形式
What’s the main idea of the passage
What are the main points about ... in this passage 【版权所有：21教育】
What can you learn from the passage
What does the writer want to tell us？
What are the purposes of ……
2：题型特点
1.要点通常包括两个或多于两个。
2.抓住文章的结构，要关注 ( http: / / www.21cnjy.com )语篇结构（总-分、分-总、总-分-总），组织语言时要避免使用不熟悉的句型、词汇或短语，尽可能用原文中的关键词语回答问题，但不能照抄原句，要对原文进行总结归纳。21教育名师原创作品
概括大意回答方式：记住这些有用的句型：
It’s( about)…
It’s( about) what+主语+谓语, how+主语+谓语 why+主语+谓语 (注意介宾从句，主谓语序)21*cnjy*com
二：解题步骤
1看任务：略读任务 记住任务
2看文段：略读文段首尾句、段 ----- 带着任务细读---在文段中做标记定位--对比文段中标记处和对应任务21*cnjy*com
1 信息查找题：1.解题关键: 根据问题查找定位信息。
常用方法: 带着问题有意识地在关键处做标记
2 信息转换题：解题关键: 根据问题查找定位信息，加工分析并转换成另一种表达方式。常见的转换方式有：词性转换，词汇转换，句型转换2·1·c·n·j·y
3 信息归纳题：解题关键：根据问题查找定位信息，找共性的东西,归纳概括出最佳答案。
总结提升：
1. 从近年的中考题看，阅读与表达题所给的文章说明文居多，即有说明的对象，那么文章的主旨还是比较明确的。
2. 任何一篇说明文都 ( http: / / www.21cnjy.com )是围绕某个主题展开的，有些文章的主题句较明显，在文章的首段。也有的文章主题句不明显，但文中最明显的特点之一是有一个反复出现的中心词，即高频词，也就是我们常说的主题词。抓住了它，便容易抓住文章的中心。
3. 概括主旨离不开对全文结构的把握，纵观全文，找准找全要点。
4. 组织好语言，运用正确的句式，准确地表达出来。
三：例题分析
A
Mashonda shared an ( http: / / www.21cnjy.com )art class with Saree, where Saree always sat in the back and waited until the classroom was empty before heading into the hall. Mashonda wondered if Saree needed a friend.【来源：21·世纪·教育·网】
One day, Mashonda to ( http: / / www.21cnjy.com )ok advantage of the chance to speak with Saree after class. Saree seemed surprised at this, but she gave Mashonda a shy smile as Mashonda introduced herself and started a conversation.21世纪教育网版权所有
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You see, helping ot ( http: / / www.21cnjy.com )hers not only means giving other people happiness, but also means giving you a chance to know more about others.
1：What can you learn from the story
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B
Traffic lights ( http: / / www.21cnjy.com ) are red, yellow and green. They are very important signals(信号). Traffic lights are usually placed at busy street corners to help control traffic. Sometimes, they are on streets near schools and shops, too. Most young children are taught what each of the colored lights means, so everybody can stay safe.21教育网
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Today, towns ( http: / / www.21cnjy.com ) and cities all over the world have traffic lights. Red and green lights match the signals used on the railways. Yellow lights are easy to see, so they are used to warn drivers that they should slow down and prepare to stop.
1：If you can design traffic lights, what is your suggestion
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C
A few years ago, the W ( http: / / www.21cnjy.com )arrens sold their big suburban(郊区的) house. Then they moved to the countryside. Later they built a small house which was powered by wind!
Mr. Warren had b ( http: / / www.21cnjy.com )een reading about all the problems with the electrical system. He wanted his family to play a small part in saving the planet, so they decided to make their own electricity to power everything they needed in their daily lives. They produced their own power by using the wind and the sun. Mr. Warren believed that using the wind was a great way to make electricity and it was free and clean. They also set some batteries(电池) to store power.
。。。。。。。
Now, the Warrens lives ( http: / / www.21cnjy.com ) in this self powered countryside home. They generate(发电) their own electricity.
How do you think people will get their electricity in the future
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四：课后作业
（A）
Yuan Longping is a C ( http: / / www.21cnjy.com )hinese agricultural scientist and educator. He is known for developing the first hybrid rice (杂交水稻). He was born in Beijing in 1930. He loved playing the erhu, swimming and motorcycling. He graduated from the Southwest Agriculture College in 1953. Then he began teaching at an agriculture school in Anjiang, Hunan Province.
In 1960, a very ser ( http: / / www.21cnjy.com )ious food shortage happened in China. A large number of people died of hunger and illnesses. Yuan Longping could hardly fall asleep at night. He thought it was time for him to do something for his country and people. He decided to find a way to solve the problem. Since then, he had devoted himself to the research of a new kind of rice.
In 1964, Yuan found a ( http: / / www.21cnjy.com )natural hybrid rice plant by accident. It had more advantages than others. He worked very hard with other scientists on it for many years. In 1973, the first hybrid rice appeared. It yielded (出产) 20% more than that of common rice. Chinese people solved the food problem by their own efforts.
But Yuan Longp ( http: / / www.21cnjy.com )ing didn’t stop. He kept on his research. Now the “Super Rice” yields over 1,100 kilograms each mu. Chinese people have enough rice to eat, and hybrid rice has also brought good news to the people of many other countries all over the world.
By the achievement ( http: / / www.21cnjy.com )s, Yuan Longping is called “The Father of Hybrid Rice”.
1. Was Yuan Longping born in Beijing or in Hunan
2. When did Yuan Longping develop the first hybrid rice
3. How many kilograms does the “Super Rice” yield each mu now 【来源：21cnj*y.co*m】
4. Can hybrid rice help the people in other countries
5. What is Yuan Longping called because of his achievements
（B）
Poverty (贫困) is ( http: / / www.21cnjy.com )a big problem around the world. But China has found its own way to fight poverty. Instead of just giving money to poor people, it has tried to educate people and give them the tools they need to lift themselves out of poverty. Common people and good partnerships (合作) play a big role, President Xi Jinping honored role models in the fight. Here are two of them.
Born in Heilongj ( http: / / www.21cnjy.com )iang Province, Zhang Guimei traveled to Yunnan when she was 17. She has been helping girls get education for more than 40 years. As a teacher, Zhang was sad when she saw her students quit school (辍学). Many of them couldn’t go to college because their families couldn’t afford it. So in 2008, Zhang started a free school for poor girls. Since then, Zhang has been busy asking for donations (捐赠) to provide money for the school. She has convinced (说服) parents to send their daughters back to school. The school has sent more than 1,800 students to universities and colleges.
In 1997, Mao Xianglin ( http: / / www.21cnjy.com )started to work as the Party secretary of his village. Around the village are 1000-meter tall cliffs (悬崖峭壁), and there was only one pathway (小路) out of the village for many years. It took villagers three days to walk to the nearest town. Mao decided to build a road, He led more than 100 villagers to build the road with their hands. It took them seven years to build an eight-kilometer road. But their work has improved people’s lives. It now takes just one hour to drive to the nearest town. Mao then encouraged the villagers to grow oranges. Last year, their orange yield (产量) was nearly 40 tons. By the end of 2019, 269 villagers had been lifted out of poverty.
1. Did China fight poverty just by giving money to poor people
2. Why couldn’t many of Zhang Guimei’s students go to college
3. How many stud ( http: / / www.21cnjy.com )ents in Zhang’s school have been sent to universities and colleges
4. How long did Mao Xianglin and the villagers spend in building the 8-kilometer road
5. According to the passage, how did Mao Xianglin lift the villagers out of poverty
（C）
A new report fro ( http: / / www.21cnjy.com )m a university says 80% of the world's teens don't get enough exercise everyday. The report was based on (基于) a research done with about 2 million students aged 11 to 17 around the world. According to the report, activity standards are different in different countries and they are also different between boys and girls. In China, for example, only 20% of the boys are active enough, compared to 11% of the girls.
Why don't teens go out for exercise One main reason is that they always have technology products in their hands or around them. They spend too much time on smartphones, computers and TVs in their free time. Many teens find it very hard to pull themselves away from these devices (设备) . The report says that young people need to do less in the digital world but more
in the real world. It advises kids to get at least an hour of exercise everyday.This could include running, biking, playing sports,or many other outdoor activities.
More and more research shows that exercise not only helps the body, but also helps the brain. Besides, doing sports helps kids to make friends. Mark, a sports fan, started to play football when he was six years old. He used to be shy and weak, but now he has become taller and stronger. He gets to know the importance of communicating with his teammates and how to learn from mistakes and failure.And he has made lots of friends with the same interest. They often have football training on the playground.They have more to talk about and enjoy the happiness after training.
根据短文内容，回答下列问题
1.How many students around the world took part in the research
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2.Are activity s ( http: / / www.21cnjy.com )tandards the same between boys and girls according to the report
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3.What does t ( http: / / www.21cnjy.com )he report advise kids to do
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4.When did Mark ( http: / / www.21cnjy.com ) start to play football
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5.Where do Mark and his teammates often have football training 21cnjy.com
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（D）
There are plenty of my ( http: / / www.21cnjy.com )ths(神话) to explain how the world came to have a moon to bring light to the night time. But now there is a plan for a man-made moon. It will give us much more light than the natural Moon.www.21-cn-jy.com
China is preparing ( http: / / www.21cnjy.com )to put a man-made moon in the sky above Chengdu by the end of 2020. It will reflect sunlight back onto the Earth. If it succeeds, three more such objects will be sent out in 2022, according to Wu Chunfeng, a space scientist. Wu said it would be similar to how we get moonlight, but he predicted(预言) that the man-made moon would have eight times the brightness of the real one. This is because the object will be about 500 kilometers above the Earth. That will make it much closer to us than the Moon, which is over 380,000 kilometers away, Wu added.
If the plan works, the ( http: / / www.21cnjy.com ) man-made moon will save a lot of power. Scientists predicted that Chengdu could save around 1.2 billion yuan in electricity every year if a new moon lit up 50 square kilometers of the city. And in 2022, four man-made moons can take turns reflecting sunlight as they will not always be in the best position relative to the Sun. Together, they can give light to an area of up to 6,400 square kilometers on the Earth for 24 hours. That means its brightness will be seen in most areas in China, so reducing the need for streetlights.
1.Which country ( http: / / www.21cnjy.com )is preparing to put a man-made moon in the sky above Chengdu by the end of 2020 www-2-1-cnjy-com
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2. What does Wu Chunfeng do
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3. How far is it from the Moon to the Earth
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4. Will it re ( http: / / www.21cnjy.com )duce the need for streetlights if the plan of man-made moons succeeds
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5. What do you think of this plan
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（E）
Mary was waitin ( http: / / www.21cnjy.com )g for the airplane to take off. She was happy to have a seat by herself. Just then, an air hostess(空姐) came up to her and asked, "Would you mind changing your seat " The girl behind Mary had a black-and-blue face and a sad expression. She had her arms broken, and she needed help. I don't want to sit there." Mary thought immediately. But the soft voice came again, "She needs help." Finally, Mary moved to that seat.21·世纪*教育网
The girl was named E ( http: / / www.21cnjy.com )mily. She had been in a car accident and now was on her way for treatment(治疗).2-1-c-n-j-y
When the snac ( http: / / www.21cnjy.com )ks and juice arrived, Mary realized that Emily could not feed herself. Mary considered offering to feed her but hesitated(犹豫), as it seemed too impolite to offer service to a stranger. But then Mary realized that Emily's need was more important. Mary offered to help her cat. Although Emily was uncomfortable to accept, she agreed. They became closer and closer in a short time. By the end of the five-hour trip. Mary's heart had warmed, and the time was really better spent than if she had just sat by herself.【出处：21教育名师】
Mary was very glad ( http: / / www.21cnjy.com )that the had sat next to Emily and fed her. Love sometimes goes beyond human border(边界) and removes(消除) the fears that keep people away. When we reach our hands to serve another, we grow to live in a larger and more rewarding (有回报的)world.
1. Did Mary enjoy sitting alone at first
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2. What did the hostess ask Mary to do
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3. How did Emily feel when Mary offered to feed her
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4. What can remove t ( http: / / www.21cnjy.com )he fears that keep us away from others according to the passage
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5. What should we do to make the world larger and more rewarding
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