Unit 5 Power of Ideas 重点词汇&短语&写作专项练习2026-2027学年人教版英语九年级上册

Unit 5 Power of Ideas 重点词汇&短语&写作专项练习 一、根据语境，用所给词的适当形式填空。 1. The telephone was one of the greatest in history, and it has completely changed the way people talk to each other every day. (invention) 2. The first practical camera in the nineteenth century, and since then it has truly become an important tool for recording our daily lives. (invent) 3. The of paper in this old workshop has greatly increased since new modern machines were introduced here at the beginning of last year. (produce) 4. All the students to hand in their science reports before Friday, so everyone is really working hard in the school workshop this week. (suppose) 5. My father has bought two new this year, because he really loves taking photos of the frozen lakes and mountains in the north. (camera) 6. When warm spring comes, the ice on the frozen lake quickly, and the water runs through the long pipes into the nearby fields. (melt) 7. Since the Internet appeared, information has spread around the world, and people in every country can now learn about important events almost at once. (rapid) 8. Great ideas have our world in many ways, and some very simple inventions have changed our daily life more than anyone could have expected. (shape) 9. Since the invention of the telephone, people have the ability to talk to friends and family far away at any time of the day. (gain) 10. Today a small laptop is much than it was ten years ago, so most families can now afford to buy one for their children. (expensive) 11. Plastic bags are much than the ones made of cloth, so many people still choose them when they go shopping at the supermarket. (cheap) 12. The modern in the office can copy hundreds of pages in a minute, which saves the busy workers a lot of time every day. (printer) 13. The workers mix two together in the small workshop, and the mixture very slowly becomes hard after it cools in the cold air. (liquid) 14. Thanks to the new machine, the small company can now to produce many more goods quickly at a much lower price than before. (afford) 15. The invention of the wheel great changes in transport, and it made it easier for people to travel and trade between distant towns and villages. (lead to) 16. The heavy spring rain a serious flood last year, so the local farmers lost a lot of their young plants in the fields. (result in) 17. Human activity is largely for the rapid rise in global temperatures, according to a recent report written by hundreds of scientists around the world. (responsible) 18. The small plastic on the new digital camera are very easy to press, so even young children can use it without any help. (button) 19. Ancient people put heavy stones on wooden to carry them from one place to another, which saved them a lot of time and energy. (wheel) 20. This kind of cheap and useful product is now used all over the world, and millions of families have one of them in their own homes. (widely) 二、根据语境，选择恰当的单词完成下列各句。 camera laptop telephone button printer glider 1. My new can take very clear photos even at night, so I often use it to record the beautiful mountains when I travel. 2. A modern is much lighter than the old computers, so students can easily carry one in their school bags and use it in class every day. 3. Since the was invented, people have been able to talk to friends who live far away without travelling a long way to see them. 4. You only need to press a small on this machine, and it will start to work at once by itself without any other help. 5. The new in our classroom can print a whole science report in only one minute, which is really convenient for us young students. plastic stone bronze liquid layer ware 6. Many everyday things are made of because it is very cheap and easy to shape into many different forms in the modern factory. 7. Long ago, people used a hard to cut wood and make simple tools, which helped them build stronger houses and live a better life. 8. The ancient Chinese were famous for making beautiful containers, and their excellent skills were passed down to the young from one generation to the next. 9. Water is the most common in our daily life, and it can change into ice or steam when the temperature rises or falls. 10. A thin of ice covered the whole frozen lake this morning, so the children were told not to walk or skate on it. lead to result in speed up gain afford tourism 11. Over the past few years, has become an important part of the local economy, and many villages now welcome visitors from all over the world. 12. Careless use of plastic bags may serious pollution in the sea, so we should always bring our own bags when we go shopping. 13. New machines can the production of paper, so a factory can now make much more paper in a single day than it could in the past. 14. Many young students useful knowledge from science books, and this useful knowledge helps them understand the world around them in a better way. 15. Thanks to new technology, most ordinary families can now to buy a smart phone, which was almost impossible for them twenty years ago. invention company officer reality workshop ideal 16. The of the wheel was an important step in human history, and it made travel and trade much easier and faster than before. 17. This small started in a little workshop, but now it sells its products to millions of customers in many different countries around the world. 18. A local explained to the villagers how the new railway would bring more visitors and business to their small town in the near future. 19. What once seemed impossible has now become a , because modern technology has made many of our old dreams come true in daily life. 20. The students visited a small where workers make paper by hand, and they learned a lot about this ancient Chinese skill of papermaking. 三、根据中文意思，补全英语译文。(每空限填一词，缩写算一词) 1. 电话的发明彻底改变了人们相互交流以及获取信息的方式。 The of the telephone has completely changed the way people talk to each other and get information. 2. 车轮让人们能够更轻松地将重物从一个地方运到另一个地方。 The made it much easier for people to carry heavy things from one place to another. 3. 现代工厂每天生产大量的塑料制品，这些制品价格低廉而且用途广泛。 Modern factories a large number of plastic products every day, and these products are cheap and widely used. 4. 冰在温暖的天气里会迅速融化，水沿着长长的管道流入附近的农田。 Ice quickly in warm weather, and the water runs along the long pipes into the nearby fields. 5. 这台新相机拍出的照片比以前清晰得多，所以我经常带着它去旅行。 The photos taken by this new are much clearer than before, so I often take it with me when I travel. 6. 如今笔记本电脑比十年前便宜多了，许多普通家庭都买得起。 Today a laptop is much than it was ten years ago, and many ordinary families can to buy one. 7. 这项新发明很快就导致了生产方式以及人们生活的巨大变化。 This new invention soon great changes in production and in people's lives. 8. 过度使用塑料会造成严重的环境污染，我们应该尽量少用塑料袋。 Using too much plastic can serious environmental pollution, so we should use fewer plastic bags. 9. 工匠们把液体倒进模子里，让它慢慢冷却，最后变成坚硬的形状。 The workers poured the into a mould and let it cool slowly until it became hard. 10. 这家小公司最初只是一个作坊，如今它的产品远销世界各地。 This small was only a little at first, but now its products are sold all over the world. 11. 据说这项新发明会使造纸的速度大大加快，从而节省大量时间。 It is said that this new invention will the papermaking speed and save a lot of time. 12. 数百名科学家参与了这项研究，他们的努力让这个梦想变成了现实。 About scientists took part in the research, and their efforts turned the dream into a . 13. 我们应该对自己身边的变化负责，并且用新的想法去帮助更多的人。 We should be for the changes around us and use new ideas to help more people. 14. 塑料又便宜又容易塑形，因此它被广泛应用于我们的日常生活。 Plastic is cheap and easy to shape, so it is used in our daily life. 15. 学生们应该在周五之前把科学报告交给老师，并且在课堂上展示出来。 The students hand in their science reports before Friday. 写作训练 学校英文校刊正在举办以“改变生活的发明”为主题的征文活动。请你根据以下提示写一篇短文投稿，介绍一项你认为改变了人们生活的发明，并谈谈它给人们带来的影响。 提示：1. 你选择的发明是什么，它大约是在什么时候出现的；2. 这项发明给人们的生活带来了哪些变化或影响；3. 你对这项发明的看法，以及它将来会怎样发展。 注意：1. 必须包含以上提示内容，可适当发挥，语句通顺、意思连贯；2. 90–100 词左右；3. 文中不得出现真实的人名、校名和地名。 参考词汇：invention 发明；invent 发明；telephone 电话；lead to 导致；afford 买得起；widely 广泛地 学科网（北京）股份有限公司 $ Unit 5 Power of Ideas 重点词汇&短语&写作专项练习 一、根据语境，用所给词的适当形式填空。 1. The telephone was one of the greatest inventions in history, and it has completely changed the way people talk to each other every day. (invention) 2. The first practical camera was invented in the nineteenth century, and since then it has truly become an important tool for recording our daily lives. (invent) 3. The production of paper in this old workshop has greatly increased since new modern machines were introduced here at the beginning of last year. (produce) 4. All the students are supposed to hand in their science reports before Friday, so everyone is really working hard in the school workshop this week. (suppose) 5. My father has bought two new cameras this year, because he really loves taking photos of the frozen lakes and mountains in the north. (camera) 6. When warm spring comes, the ice on the frozen lake melts quickly, and the water runs through the long pipes into the nearby fields. (melt) 7. Since the Internet appeared, information has spread rapidly around the world, and people in every country can now learn about important events almost at once. (rapid) 8. Great ideas have shaped our world in many ways, and some very simple inventions have changed our daily life more than anyone could have expected. (shape) 9. Since the invention of the telephone, people have gained the ability to talk to friends and family far away at any time of the day. (gain) 10. Today a small laptop is much less expensive than it was ten years ago, so most families can now afford to buy one for their children. (expensive) 11. Plastic bags are much cheaper than the ones made of cloth, so many people still choose them when they go shopping at the supermarket. (cheap) 12. The modern printers in the office can copy hundreds of pages in a minute, which saves the busy workers a lot of time every day. (printer) 13. The workers mix two liquids together in the small workshop, and the mixture very slowly becomes hard after it cools in the cold air. (liquid) 14. Thanks to the new machine, the small company can now afford to produce many more goods quickly at a much lower price than before. (afford) 15. The invention of the wheel led to great changes in transport, and it made it easier for people to travel and trade between distant towns and villages. (lead to) 16. The heavy spring rain resulted in a serious flood last year, so the local farmers lost a lot of their young plants in the fields. (result in) 17. Human activity is largely responsible for the rapid rise in global temperatures, according to a recent report written by hundreds of scientists around the world. (responsible) 18. The small plastic buttons on the new digital camera are very easy to press, so even young children can use it without any help. (button) 19. Ancient people put heavy stones on wooden wheels to carry them from one place to another, which saved them a lot of time and energy. (wheel) 20. This kind of cheap and useful product is now widely used all over the world, and millions of families have one of them in their own homes. (widely) 二、根据语境，选择恰当的单词完成下列各句。 camera laptop telephone button printer glider 1. My new camera can take very clear photos even at night, so I often use it to record the beautiful mountains when I travel. 2. A modern laptop is much lighter than the old computers, so students can easily carry one in their school bags and use it in class every day. 3. Since the telephone was invented, people have been able to talk to friends who live far away without travelling a long way to see them. 4. You only need to press a small button on this machine, and it will start to work at once by itself without any other help. 5. The new printer in our classroom can print a whole science report in only one minute, which is really convenient for us young students. plastic stone bronze liquid layer ware 6. Many everyday things are made of plastic because it is very cheap and easy to shape into many different forms in the modern factory. 7. Long ago, people used a hard stone to cut wood and make simple tools, which helped them build stronger houses and live a better life. 8. The ancient Chinese were famous for making beautiful bronze containers, and their excellent skills were passed down to the young from one generation to the next. 9. Water is the most common liquid in our daily life, and it can change into ice or steam when the temperature rises or falls. 10. A thin layer of ice covered the whole frozen lake this morning, so the children were told not to walk or skate on it. lead to result in speed up gain afford tourism 11. Over the past few years, tourism has become an important part of the local economy, and many villages now welcome visitors from all over the world. 12. Careless use of plastic bags may result in serious pollution in the sea, so we should always bring our own bags when we go shopping. 13. New machines can speed up the production of paper, so a factory can now make much more paper in a single day than it could in the past. 14. Many young students gain useful knowledge from science books, and this useful knowledge helps them understand the world around them in a better way. 15. Thanks to new technology, most ordinary families can now afford to buy a smart phone, which was almost impossible for them twenty years ago. invention company officer reality workshop ideal 16. The invention of the wheel was an important step in human history, and it made travel and trade much easier and faster than before. 17. This small company started in a little workshop, but now it sells its products to millions of customers in many different countries around the world. 18. A local officer explained to the villagers how the new railway would bring more visitors and business to their small town in the near future. 19. What once seemed impossible has now become a reality, because modern technology has made many of our old dreams come true in daily life. 20. The students visited a small workshop where workers make paper by hand, and they learned a lot about this ancient Chinese skill of papermaking. 三、根据中文意思，补全英语译文。(每空限填一词，缩写算一词) 1. 电话的发明彻底改变了人们相互交流以及获取信息的方式。 The invention of the telephone has completely changed the way people talk to each other and get information. 2. 车轮让人们能够更轻松地将重物从一个地方运到另一个地方。 The wheel made it much easier for people to carry heavy things from one place to another. 3. 现代工厂每天生产大量的塑料制品，这些制品价格低廉而且用途广泛。 Modern factories produce a large number of plastic products every day, and these products are cheap and widely used. 4. 冰在温暖的天气里会迅速融化，水沿着长长的管道流入附近的农田。 Ice melts quickly in warm weather, and the water runs along the long pipes into the nearby fields. 5. 这台新相机拍出的照片比以前清晰得多，所以我经常带着它去旅行。 The photos taken by this new camera are much clearer than before, so I often take it with me when I travel. 6. 如今笔记本电脑比十年前便宜多了，许多普通家庭都买得起。 Today a laptop is much cheaper than it was ten years ago, and many ordinary families can afford to buy one. 7. 这项新发明很快就导致了生产方式以及人们生活的巨大变化。 This new invention soon led to great changes in production and in people's lives. 8. 过度使用塑料会造成严重的环境污染，我们应该尽量少用塑料袋。 Using too much plastic can result in serious environmental pollution, so we should use fewer plastic bags. 9. 工匠们把液体倒进模子里，让它慢慢冷却，最后变成坚硬的形状。 The workers poured the liquid into a mould and let it cool slowly until it became hard. 10. 这家小公司最初只是一个作坊，如今它的产品远销世界各地。 This small company was only a little workshop at first, but now its products are sold all over the world. 11. 据说这项新发明会使造纸的速度大大加快，从而节省大量时间。 It is said that this new invention will speed up the papermaking speed and save a lot of time. 12. 数百名科学家参与了这项研究，他们的努力让这个梦想变成了现实。 About hundreds of scientists took part in the research, and their efforts turned the dream into a reality. 13. 我们应该对自己身边的变化负责，并且用新的想法去帮助更多的人。 We should be responsible for the changes around us and use new ideas to help more people. 14. 塑料又便宜又容易塑形，因此它被广泛应用于我们的日常生活。 Plastic is cheap and easy to shape, so it is widely used in our daily life. 15. 学生们应该在周五之前把科学报告交给老师，并且在课堂上展示出来。 The students are supposed to hand in their science reports before Friday. 写作训练 学校英文校刊正在举办以“改变生活的发明”为主题的征文活动。请你根据以下提示写一篇短文投稿，介绍一项你认为改变了人们生活的发明，并谈谈它给人们带来的影响。 提示：1. 你选择的发明是什么，它大约是在什么时候出现的；2. 这项发明给人们的生活带来了哪些变化或影响；3. 你对这项发明的看法，以及它将来会怎样发展。 注意：1. 必须包含以上提示内容，可适当发挥，语句通顺、意思连贯；2. 90–100 词左右；3. 文中不得出现真实的人名、校名和地名。 参考词汇：invention 发明；invent 发明；telephone 电话；lead to 导致；afford 买得起；widely 广泛地 参考范文： An Invention That Changed Our Lives Among all the inventions in history, I think the telephone has changed our lives most. It appeared more than one hundred years ago and soon spread widely around the world. Thanks to the telephone, people can talk to friends and family who live far away at any time. Later on, mobile phones made it even easier, because we can now take photos and look up information with a small screen. This invention has brought people closer and led to great changes in our daily life. I believe it will keep improving and become even more useful in the future. Unit 5 Power of Ideas 参考答案 一、根据语境，用所给词的适当形式填空。 1. inventions 2. was invented 3. production 4. are supposed 5. cameras 6. melts 7. rapidly 8. shaped 9. gained 10. less expensive 11. cheaper 12. printers 13. liquids 14. afford 15. led to 16. resulted in 17. responsible 18. buttons 19. wheels 20. widely 二、根据语境，选择恰当的单词完成下列各句。 1. camera 2. laptop 3. telephone 4. button 5. printer 6. plastic 7. stone 8. bronze 9. liquid 10. layer 11. tourism 12. result in 13. speed up 14. gain 15. afford 16. invention 17. company 18. officer 19. reality 20. workshop 三、根据中文意思，补全英语译文。(每空限填一词，缩写算一词) 1. invention 2. wheel 3. produce 4. melts 5. camera 6. cheaper afford 7. led to 8. result in 9. liquid 10. company workshop 11. speed up 12. hundreds of reality 13. responsible 14. widely 15. are supposed to 学科网（北京）股份有限公司 $