外研社版（主编：孙有中）·英语八年级上册《Unit 3 Make it happen!》练习题

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本单元考点（5 个）

谈论发明创造的表达一般过去时叙述发明故事描述事物用途的句型被动语态初步（be+过去分词）介绍一项小发明的短文写作

本单元练习题（27 题）

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1. Tom 想询问一种新发明的用途，下列表达最恰当的一项是（　） A. When was it invented? B. What is it used for? C. Who invented it? D. Where was it made?

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2. 请根据提示完成短文填空，介绍你的小发明。My invention is a ___（聪明的）water bottle. It can remind me to drink water every ___（小时）. The bottle is made of ___（塑料）, so it is light and easy to carry. I hope my invention can help people keep ___（健康的）.

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3. 根据句意及所给提示补全句子。Anna 的爸爸刚给她展示了一个新的自动喂鸟器（automatic bird feeder）。她想表达「这个发明是用来喂鸟的，非常方便」，请补全句子（每空一词）：This invention ___ ___ for feeding birds, so it ___ our lives much easier.

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4. In the school invention club, Tom is introducing his new machine. He says: "This machine ___ rice ___ flour (面粉)." Which of the following can correctly complete his sentence? A. is used to; turn into B. is used for; turning into C. used to; turning into D. uses for; turning into

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5. 你要写一篇介绍自己小发明的英语短文。下列哪个开头句最适合点明主题并吸引读者？A. My invention is a smart water bottle that reminds me to drink water on time. B. Yesterday it rained heavily, so I stayed at home all day. C. There are many books in our school library. D. My best friend and I often play basketball after school.

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6. Lily wants to talk about how a new robot was invented. Which sentence correctly expresses the idea 'by accident'? A. The robot was invented on purpose. B. The robot was invented by accident. C. The robot was invented in the way. D. The robot was invented with chance.

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7. 根据句意及首字母提示补全单词：Scientists work hard to i___ new machines that can make our lives better. The wheel was one of the most important i___ in history, and it changed the way people travelled.

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8. 在介绍一项发明的用途时，按所给词语及顺序补全问句，每个词只用一次：is / the device / used / for。What ___?

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9. 根据句意和中文提示补全单词，并用其正确形式完成句子。 1. We use a r________（尺子）to draw straight lines. 2. She uses a k________（刀）to cut the apple. 3. We use an u________（雨伞）to keep off the rain.

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10. Leo cleans the room every Friday. Which sentence has the same meaning? A. The room is cleaned by Leo every Friday. B. The room cleans Leo every Friday. C. The room is clean by Leo every Friday. D. The room was cleaned by Leo every Friday.

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11. 根据句意和括号中的提示补全单词：The school gate is p______ every year. (paint)

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12. 用本单元核心词汇的适当形式补全短文（每空一词）。In 1903, the Wright brothers finally (1) a___ved (达成) their dream of flying. They (2) d___gned (设计) the plane carefully and (3) t___ted (测试) it many times. Their success (4) i___red (激励) people around the world. New inventions often (5) r___re (需要) years of hard work.

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13. Choose the correct sentence to describe the use of a key. A. A key is used for opening doors. B. A key used for open doors. C. A key is used to opening doors. D. A key use to open doors.

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14. Last year, Ben’s aunt ___ a small machine that helped farmers pick apples. A. invent B. invents C. invented D. inventing

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15. 请根据提示完成短文填空，介绍一项小发明（每空一词）。My invention is a robot cleaner. It can help my mother clean the floor. It is small ___ smart. Every morning, it starts to work ___ eight o'clock. My mother is very happy ___ it makes her life easier. I hope my invention will be ___ (有用的) one day.

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16. Rewrite the sentence using “used for”: People use a hand pump to move water from a tank into a garden. A hand pump is used for ___ water from a tank into a garden.

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17. 请根据提示完成短文，介绍一项小发明。每个方框只用一次。词库：[A. a clip-on book light] [B. I often read in bed] [C. it turns on when I open it] [D. it helps me read without waking my family]。My invention is ___. ___, but the room is sometimes too dark. This small light is easy to use: ___. ___.

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18. 一种口袋翻译器能把听到的句子译成另一种语言并读出来。请先询问它的工作方式，再询问它能做什么。补全对话：A: ___ (how / it / work) B: It listens, translates, and reads the words aloud. A: ___ (what / it / do)

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19. 根据中文提示写出英语单词：发明；创造（动词）________

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20. 根据句意和括号中的提示补全单词：Many new ideas are ______ at the school club meeting. (share)

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21. 根据句意及首字母提示补全单词，并写出其适当形式：1. It took the young scientist years to d______ (研发) a new kind of clean energy device. 2. This smart pen can t______ (把……翻译成) Chinese words into English in seconds. 3. The r______ (结果) of the experiment showed that the invention works well in daily life.

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22. 根据句意及首字母提示补全本单元核心词汇，注意用其适当形式：1. The t________（翻译器）can turn English into Chinese quickly. 2. Edison i________（发明）many useful things in his life. 3. This small machine is very c________（方便的）for cooking outdoors. 4. With a good i________（想法）and hard work, you can make it happen.

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23. 用括号内动词的适当形式（被动语态）填空。The new science lab ___ ___ (build) last year, and now all the machines in it ___ ___ (test) once a month. Every year, a science fair ___ ___ (hold) in this lab, and students' best works ___ ___ (show) to the whole school. 一空一词。

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24. Mia made a small machine that waters plants. She is its i________（发明者）. The machine is a useful i________（发明物） and is u________（有用的） for families who grow plants at home.

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25. 根据句意及中文提示写出英语单词的适当形式：1. The new robot is a helpful ________ (发明物) for old people. 2. Thomas Edison ________ (创造) many useful things in his life. 3. Lucy wants to be an ________ (发明家) when she grows up.

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26. 在校园科技节上，Li Ming 想向外国朋友介绍自己的新发明。下列哪一项最适合用来谈论这项发明？ A. My new machine helps water plants, and it works well. B. I am reading a storybook in the library now. C. Let's go to the playground after class. D. My favourite subject is science.

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27. 在科技节交流活动中，Anna 向外国同学介绍小组的新发明。结合语境，选择最恰当的一项： Tom: Wow, your group made a smart pen! ________ Anna: Yes. It can read words aloud for people with poor eyesight. A. What is it used for? B. Where was it bought? C. How much did it cost? D. Who broke it just now?

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外研社版（主编：孙有中）·英语其他单元练习题

Starter Unit Welcome to junior high!（27题）Unit 1 Career talks（27题）Unit 1 Around the clock（27题）Unit 1 I love sports!（27题）Unit 1 This is me（27题）Unit 1 My school is cool.（27题）Unit 1 Teenagers today（27题）Unit 1 All about feelings（9题）Unit 1 The secrets of happiness（27题）Unit 1 Good food,good health（27题）Unit 1 Hello, hello!（27题）Unit 2 Go for it!（27题）

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