Unit 5 单元测试卷 2025-2026学年冀教版八年级英语下册

冀教版(新)八年级下英语Unit 5 单元测试卷 姓名：__________ 班级：__________ 得分：__________ 时间：45分钟 总分：100分 一、语法与情景对话（共20分，每小题2分） 从A、B、C、D四个选项中选出最佳答案。 1. The light bulb is a great ______. A. invention B. inventor C. invent D. invented 2. —Can I borrow your pen? —______! Here you are. A. Sorry B. No C. Absolutely D. Maybe 3. This car is ______ by electricity. A. power B. powered C. powering D. powers 4. We should use more ______ products to protect the Earth. A. eco-friendly B. friendly C. expensive D. old 5. English is ______ spoken in the world. A. wide B. widely C. width D. widen 6. Please ______ the word “invention”. A. spell B. speak C. tell D. say 7. —What’s your favorite ______? —Watching movies. A. entertainment B. education C. invention D. machine 8. The ______ helps sailors find their way. A. compass B. wheel C. wagon D. canal 9. Don’t eat ______ meat. It’s not safe. A. raw B. cooked C. hot D. cold 10. Put the milk in the ______ to keep it fresh. A. refrigerator B. machine C. spaceship D. dictionary 二、完形填空（共15分，每小题1.5分） 阅读下面短文，从A、B、C、D中选择最佳答案。 Do you know who invented the telephone? It was Alexander Graham Bell. The telephone is a great __1__. It helps us talk to people far away __2__. Before the telephone, people had to write letters or travel a long way to talk. Now we also have many other __3__ like computers and smartphones. They make our lives __4__ and faster. For example, we can use a __5__ to look up new words. We can also use AI to help us __6__ problems. Some inventions are very __7__, like the wheel and the compass. Others are new, like the __8__ that can fly to Mars. In the future, we may have more eco-friendly __9__ to save energy. Remember, every great invention starts with an idea and __10__. 1. A. invention B. machine C. tool D. dictionary 2. A. easily B. hard C. slowly D. loudly 3. A. inventions B. books C. cars D. foods 4. A. harder B. easier C. longer D. slower 5. A. dictionary B. compass C. wheel D. wagon 6. A. solve B. make C. find D. spell 7. A. old B. new C. young D. modern 8. A. spaceship B. telephone C. bulb D. refrigerator 9. A. machines B. tools C. products D. books 10. A. creativity B. money C. time D. food 三、阅读理解（共20分，每小题2分） A篇 The wheel is one of the oldest inventions in the world. It helps people move things easily. Before the wheel, people had to carry heavy things by hand. The wheel is used in many things, like cars, wagons, and bicycles. Without the wheel, our life would be very different. 根据短文内容，判断正（T）误（F）。 1. The wheel is a new invention.( ) 2. The wheel helps people move heavy things easily.( ) 3. People used the wheel to carry things by hand.( ) 4. The wheel is used in cars and wagons.( ) 5. Life would be different without the wheel.( ) B篇 Louis Pasteur was a famous scientist. He invented a way to kill bad bacteria in milk. This is called pasteurization. Before pasteurization, people got sick from drinking raw milk. Now, we drink milk that is safe because of Pasteur’s invention. 根据短文内容，选择最佳答案。 6. What did Louis Pasteur invent? A. A machine B. A way to kill bacteria in milk C. A new kind of milk D. A refrigerator 7. What is pasteurization? A. A way to freeze milk B. A way to heat milk to kill bacteria C. A way to make cheese D. A way to drink milk 8. Why did people get sick from milk before pasteurization? A. Because the milk was too hot B. Because the milk had bad bacteria C. Because the milk was too cold D. Because the milk had no taste 9. What does “raw milk” mean? A. Milk that is cooked B. Milk that is not processed C. Milk that is frozen D. Milk that is sweet 10. How does pasteurization help us? A. It makes milk taste better B. It makes milk safe to drink C. It makes milk expensive D. It makes milk white 四、词汇考察（共25分） A) 根据句意和首字母提示补全单词（10分，每小题2分） 1. The light b______ was invented by Edison. 2. Please p______ me a glass of water. 3. We use a t______ to build things. 4. The c______ helps us find directions. 5. Water will f______ at 0℃. B) 用所给单词的适当形式填空（10分，每小题2分） 1. The Internet has ______ (great) changed our lives. 2. I can solve this problem ______ (easy). 3. Art class helps develop children’s ______ (creative). 4. This is a solar-______ (power) car. 5. The dictionary gives a clear ______ (define) of the word. C) 英汉互译（5分，每小题1分） 1. 发明 ______ 2. 知识 ______ 3. 环保的 ______ 4. 飞船 ______ 5. 加热 ______ 五、书面表达（共20分） 请以 “My Favorite Invention” 为题，写一篇60词左右的短文。内容包括： 1. 你最喜欢的发明是什么 2.它有什么用途 3. 为什么你喜欢它 提示词：invention, useful, life, easy, like 参考答案 一、语法与情景对话 1. A 2. C 3. B 4. A 5. B 6. A 7. A 8. A 9. A 10. A 二、完形填空 1. A 2. A 3. A 4. B 5. A 6. A 7. A 8. A 9. C 10. A 三、阅读理解 1. F 2. T 3. F 4. T 5. T 6. B 7. B 8. B 9. B 10. B 四、词汇考察 A) 1. bulb 2. pour 3. tool 4. compass 5. freeze B) 1. greatly 2. easily 3. creativity 4. powered 5. definition C) 1. invention 2. knowledge 3. eco-friendly 4. spaceship 5. heat 五、书面表达（鼓励学生使用本单元词汇及句型） 学科网（北京）股份有限公司 $