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Unit 5 Power of Ideas
Section A What changes can inventions bring to our lives 分层练习
一、A层·基础夯实
一、单词拼写
1. [单词拼写]（词汇：发明物）We can use smart c________ (照相机) to record happy family moments easily.
2. [单词拼写]（词汇：配饰）Tina put on her s________ (墨镜) on the beach because the sunlight was so strong.
3. [单词拼写]（词汇：自然变化）After the sun rises, the top layer of snow slowly m________ (融化) in the park.
4. [单词拼写]（词汇：材料）Although p________ (塑料的) bags are convenient for people, they will cause white pollution.
5. [单词拼写]（词汇：部件）For more information about Huangmei Opera, please press the b________ (按钮) and visit our website.
二、用括号内所给词的适当形式填空
6. [词形填空]（词汇：print）They are trying to use 3D ________ (print) to print food that is both delicious and good for us.
7. [词形填空]（词汇：freeze）I decided not to buy ________ (freeze) dumplings though the government said they were safe.
8. [词形填空]（词汇：invent）With the development of technology, more and more __________ (invent) are changing our daily life.
9. [词形填空]（代词：it）The novel ________ (it) is meaningless, so it’s a waste of time reading it several times.
10. [词形填空]（词汇：tour）If we keep our city clean and safe, more _______ will come, and ________ will bring us more benefits.
三、单项填空
11. [单项填空]（词汇辨析：produce）—How can we ________ O —Follow this: put water and electricity together.
A. heat B. produce C. invent D. reflect
12. [单项填空]（形容词副词：completely/completing）You will feel ________ relaxed after ________ a hard task with long-time effort.
A. completely; completing B. competing; comparing C. completely; competing D. competing; completing
13. [单项填空]（词汇辨析：invent/discover/create）Edison ________ the light bulb, but it was someone else who ________ electricity.
A. invented; discovered B. discovered; invented C. created; invented D. invented; created
14. [单项填空]（数词：hundred）Many ________ students have joined in this speech competition, and I guess more than two ________ students in our school are included.
A. hundred of; hundreds B. hundreds of; hundreds C. hundred of; hundred D. hundreds of; hundred
15. [单项填空]（谚语辨析）—It took me eight years to build up my business, and it almost killed me. —Well, you know what they say. ________.
A. There is no smoke without fire B. No pains, no gains C. All roads lead to Rome D. Practice makes perfect
四、根据汉语提示补全句子或翻译句子
16. [补全句子]（super / files on a laptop）借助先进技术，我们可以将所有文件存储在笔记本电脑上。
With ______ technology, we can save all the ____ ___ __ _____.
17. [补全句子]（Pipes are used / wheels）管道被用来加固地面，这样车轮就不会损坏道路。
_____ ____ _____ to keep the ground hard, so that ________ won’t damage the road.
18. [补全句子]（Tunnels were built / high-speed trains）修建隧道是为了确保高速列车平稳地穿过这些山脉。
________ ______ ______ to ensure that __________ ______ pass through these mountains smoothly.
19. [翻译句子]（be supposed to be）面对困难时，我们应该勇敢。
________________________________________________________________________
20. [翻译句子]（被动语态）如今，汉语在全世界被使用。
________________________________________________________________________
二、B层·理解运用
21. [补全对话]（情景交际：inventions）阅读下面对话，从方框中选择恰当的句子补全对话（其中有两项多余）。
W: Hey, have you ever thought about what you would invent if you could
M: I’ve always wanted to invent a machine that can clean up pollution in the oceans. 21._____
W: Wow, that’s really thoughtful. I think an invention like that could make a huge difference. 22._____
M: Well, it would be a kind of robot that could swim underwater and collect plastic waste.
W: That sounds amazing.
M: What about you, Alice 23._____
W: I’ve been thinking about creating an app that helps students learn languages more easily. It would use AI to provide personalized lessons.
M: 24._____ An app like that could be really helpful for students like us. I hope your invention will be realized someday.
W: Thanks, Jack. 25._____ I think inventions should make life better for people.
A. I’m sorry to hear that. B. It’s such a big problem these days.
C. Will it take you long to do that D. What would your invention do exactly
E. I hope so too. F. Do you have any inventions in mind
G. That’s a fantastic idea!
22. [完形填空]（综合：发明与创新）阅读下面短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中选出最佳选项。
Are you interested in making new things Inventions always play an important role in our life. They make our life more ____(1)____ and much easier than before. Recently, a university project has helped two young women ____(2)____ a great idea for a difficult problem. Julia and Jessica are students in Harvard University. One day, their teacher said, "I want you to solve a world problem about the energy source (能源). Who can take on this ____(3)____ "
Julia and Jessica wanted to take that challenge. So they answered, "We decided to accept the difficult task." Before they began, they first studied many different ____(4)____ with few energy sources. They found that children in these countries all like playing ____(5)____, especially soccer. After ____(6)____ this phenomenon (现象), Julia and Jessica decided to create a new energy source that has to do with soccer.
They spent six months working with their friends to make a soccer ball with a battery (电池) in it. It took them a long time, but it ____(7)____ turned out to be a big success. They knew the soccer was exactly ____(8)____ they wanted. They named it the SOCCKET and showed it to the users.
When the players ____(9)____ the ball, the battery inside got the energy from the ball’s movement. After the game, the players used it to make the smartphones ____(10)____. It is fantastic that a simple project can make our lives better!
(1) A. boring B. colourful C. difficult D. careful
(2) A. come up with B. run out of C. look forward to D. keep away from
(3) A. article B. project C. topic D. discussion
(4) A. lands B. towns C. cities D. countries
(5) A. soccer B. energy C. sports D. source
(6) A. making B. doubting C. noticing D. ignoring
(7) A. hardly B. easily C. quickly D. finally
(8) A. what B. where C. how D. why
(9) A. broke B. kicked C. lost D. bought
(10) A. study B. use C. work D. repair
三、C层·拓展挑战
23. [阅读理解]（综合：智能服装）阅读下面短文，根据短文内容选择最佳答案。
We’ve all heard of smartphones, but how about the smart clothing A company called Cute Circuit has developed new football shirts for football fans. They can help deaf football fans to "feel" the atmosphere (气氛) of the stadium (运动场) during a game.
How does this amazing shirt work Cute Circuit sets microphones around the Newcastle United stadium to receive the sound of the people cheering and singing. A computer program analyses (分析) the sounds picked up and changes them into data. Then it will be sent to the football shirts. Little motors (发动机) inside the shirts will vibrate (震动). Finally, the wearer will feel the sounds of the people.
Deaf and hard-of-hearing people can also use the shirts to feel live music in the concert. The very deep musical sounds of instruments like drums and basses vibrate close to the stomach. Higher sounds from instruments like the violin, the guitar or the dizi vibrate higher around the neck and arms.
Besides, the shirts can be used to feel sounds while playing video games. The football shirts were used for the first time at the St James’ Park, Newcastle United stadium, on April 13th. They will be available (可获得的) for deaf or hard-of-hearing fans at all Newcastle matches that are played at the stadium from now on.
(1) Which of the following can show how the football shirt works
A. 麦克风→电脑→球衣→穿衣者 B. 球衣→麦克风→电脑→穿衣者
C. 电脑→麦克风→球衣→穿衣者 D. 穿衣者→球衣→电脑→麦克风
(2) The shirt will vibrate close to the stomach when it receives sounds from ________.
A. the violin B. the drums C. the dizi D. the guitar
(3) The writer wrote the passage mainly to ________.
A. show his strong love for football B. introduce a kind of smart clothing
C. encourage people to play football D. advise people to buy football shirts
参考答案与解析
A层·基础夯实
1. cameras
解析：根据中文提示"照相机"及首字母c，可知填cameras（复数，与smart构成smart cameras）。
2. sunglasses
解析：根据中文提示"墨镜"及首字母s，可知填sunglasses。
3. melts
解析：根据中文提示"融化"及首字母m，主语the top layer of snow为单数，可知填melts。
4. plastic
解析：根据中文提示"塑料的"及首字母p，修饰名词bags用形容词plastic。
5. button
解析：根据中文提示"按钮"及首字母b，可知填button。
6. printers
解析：print的名词形式printer意为"打印机"，此处表一类事物用复数printers。
7. frozen
解析：freeze的形容词frozen意为"冷冻的"，frozen dumplings"冷冻饺子"。
8. inventions
解析：invent的名词invention意为"发明物"，more and more后接复数inventions。
9. itself
解析：主语the novel为单数，反身代词用itself，意为"小说本身"。
10. tourists; tourism
解析：tour的名词：第一空指"游客"用复数tourists；第二空指"旅游业"用tourism。
11. B
解析：句意：我们如何"制造"氧气？produce"生产、制造"符合；heat加热，invent发明，reflect反射均不符。
12. A
解析：relaxed为形容词，需用副词completely修饰，排除B、D；句意指完成艰巨任务后感到放松，用completing。
13. A
解析：invent指发明原本不存在的事物（电灯）；discover指发现原本存在的事物（电）；create指创造新事物。电是原本存在的，故选A。
14. D
解析：many后hundred用复数hundreds，且加of；two后hundred用单数，直接修饰名词。故选D。
15. B
解析：上句说"我花了八年创业，差点累死"，下句应回应"没有付出就没有收获"，No pains, no gains符合。
16. With super technology, we can save all the files on a laptop.
解析：super"先进的"；files on a laptop"笔记本电脑上的文件"。
17. Pipes are used to keep the ground hard, so that wheels won’t damage the road.
解析：be used to do"被用来做……"；wheels"车轮"。
18. Tunnels were built to ensure that high-speed trains pass through these mountains smoothly.
解析：be built to do"被修建用来做……"；high-speed trains"高速列车"。
19. We are supposed to be brave when facing the difficulties.
解析：be supposed to be"应该……"；when facing the difficulties"面对困难时"。
20. Nowadays, Chinese is spoken all over the world.
解析：被动语态：Chinese与speak为动宾关系，用is spoken；all over the world"全世界"。
B层·理解运用
21. 补全对话
(1) B
解析：上句说想发明清理海洋污染的机器，B项"如今这是个大问题"承接自然。
(2) D
解析：下句回答"它会是一种能水下游泳收集塑料废物的机器人"，故问"你的发明具体是做什么的"，选D。
(3) F
解析：下句回答"我一直在想做一个帮学生学语言的app"，故问"你心里有什么发明吗"，选F。
(4) G
解析：上句介绍了这个app的想法，G项"那是个很棒的主意"表示赞赏，承接自然。
(5) E
解析：上句Jack希望Alice的发明有朝一日实现，E项"我也希望如此"呼应，且末句点题。
22. 完形填空
(1) B
解析：发明使生活比以前更"多彩"且更容易，colourful符合语境。
(2) A
解析：与a great idea搭配，come up with"想出"符合。
(3) B
解析：老师要学生解决能源相关的世界性"项目"，project符合。
(4) D
解析：下文提到children in these countries，故指不同的"国家"。
(5) C
解析：especially soccer提示足球是一种"运动"。
(6) C
解析：她们"注意到"这一现象后决定发明相关能源，noticing符合。
(7) D
解析：经过长时间努力，发明"最终"取得成功，finally符合。
(8) A
解析：such...as they wanted，what作wanted的宾语，意为"她们想要的东西"。
(9) B
解析：根据the ball’s movement可知是"踢"球，kicked符合。
(10) C
解析：用球内电池让智能手机"工作/运转"，make...work符合。
C层·拓展挑战
23. 阅读理解
(1) A
解析：图文转换题。根据第二段，先在体育场周围设麦克风接收声音→电脑程序分析并转化为数据→数据发送到球衣→球衣内发动机会震动，顺序为麦克风→电脑→球衣→穿衣者，故选A。
(2) B
解析：细节理解题。根据第三段"The very deep musical sounds of instruments like drums and basses vibrate close to the stomach."可知鼓类低沉声音在腹部附近震动，故选B。
(3) B
解析：主旨大意题。全文围绕Cute Circuit公司研发的智能球衣展开，介绍其作用与工作原理，目的是向读者介绍这种智能服装，故选B。

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