Unit 6 知识点 B部分练习 2025-2026学年沪外教版七年级英语上册

七年级英语上册Unit6知识点-B部分练习 小试牛刀 A. 选用方框中的短语填空（每个限用一次） | came across | bent a piece of wire | match the shape | add fur to | set up a factory | 1. On his way home, Chester ____________________ some farm wires. 2. He ____________________ to ____________________ his head. 3. He asked his grandmother to ____________________ each circle. 4. Later, Chester got a patent and ____________________ to make earmuffs. B. 句型转换（改为一般疑问句并作肯定或否定回答） 1. Chester Greenwood invented the earmuffs in 1873. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 2. He went ice skating on a winter afternoon. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 3. His friends liked his invention. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. How old was Chester Greenwood when he invented earmuffs? A. 14. B. 15. C. 16. D. 17. 2. Why did he stop skating? A. He was tired. B. His ears became cold and the scarf was not comfortable. C. His friends left. D. It started to snow. 3. What gave him the idea for earmuffs? A. A scarf. B. Farm wires. C. His grandmother. D. A steel band. 4. Who helped him add fur to the wire circles? A. His father. B. His mother. C. His grandmother. D. His friend. 5. What did Chester do later to improve the design? A. He used a steel band to connect the two circles. B. He made bigger circles. C. He added more fur. D. He changed the shape. B. 完成句子（★★） 根据故事内容，用正确的词汇完成句子。 1. 在一个冬天的下午，这个15岁的男孩去滑冰。 On a winter ______, the 15-year-old ______ went ice skating. 2. 他试图用围巾盖住耳朵，但不太舒服。 He tried to ______ his ears with his scarf, but it was not very ______. 3. 他遇到了一些农场的铁丝，有了一个主意。 He ______ ______ some farm wires and had an idea. 4. 他把铁丝弯成自己头部的形状。 He ______ a piece of wire to ______ the ______ of his head. 5. 他请祖母在每个圆圈上加上毛皮。 He asked his grandmother to ______ ______ to each circle. 拓展思考 写一段话（至少5句）描述一个小发明的诞生过程。可以用你自己想象的一个发明，或者写已知的发明（如牙刷、橡皮擦等）。使用一般过去时，并说明问题、想法、解决步骤。 _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案与解析 小试牛刀 A 1. came across 2. bent a piece of wire, match the shape 3. add fur to 4. set up a factory 小试牛刀 B 1. Did Chester Greenwood invent the earmuffs in 1873? Yes, he did. / No, he didn’t. 2. Did he go ice skating on a winter afternoon? Yes, he did. / No, he didn’t. 3. Did his friends like his invention? Yes, they did. / No, they didn’t. 配套练习 A 1. B（15岁） 2. B（耳朵冷，围巾不舒服） 3. B（farm wires） 4. C（grandmother） 5. A（用钢带连接两个圈） 配套练习 B 1. afternoon, boy 2. cover, comfortable 3. came across 4. bent, match, shape 5. add fur 拓展思考（示例） One day, my pencil kept breaking when I sharpened it. I thought, “I need a stronger pencil.” I found a small plastic tube and put the pencil inside. Only the tip came out. Then I asked my dad to glue it. Now I have a “pencil protector”. My classmates liked it. I was proud of my little invention. 1 学科网（北京）股份有限公司 $