Unit 3 Developing ideas 知识点讲练 2025-2026 学年外研版英语(2024)八年级上册 ★ Knowledge points 1. Not every invention is created on purpose. Sometimes it's completely by accident. 并非每一 项发明都是有意创造出来的。有时候,它完全是偶然发生的。 ① Not every...部分否定结构。not every+名词意为"并非每个……",是部分否定。 Not every student likes math.并非每个学生都喜欢数学。 ② on purpose 意为"故意地",是副词短语,在句中作状语。 He broke the cup on purpose.他故意打碎了杯子。 ③ by accident 意为"偶然地;意外地",同样作状语。 I met an old friend by accident on the street.我在街上偶然遇到了一位老朋友。 【学以致用】 (1) 并非每本书都有趣。 _____ (2)He found the key _____ (偶然地) while cleaning the room. She tore my paper_____ (故意地)。 2. For example, in 1928, Dr Alexander Fleming forgot to clean his lab before going on a holiday. 如 1928 年亚历山大·弗莱明博士在去度假前忘了打扫他的实验室。 ① forget to do sth 意为"忘记去做某事"(事情还未做)。 Don't forget to close the door when you leave.你离开时别忘了关门。 ② forget doing sth 意为"忘记做过某事"(事情已经做了) I forget closing the door.我忘记已经关过门了。 【学以致用】 (1)Remember to call me when you get there. Don't _____ (忘记打电话) me. (2)I _____ (忘记锁) the door this morning. It remained open all day. 3. It's now one of the most frequently used medicines in the world! 它如今是世界上使用最多 的药物之一! one of the+ 形容词最高级 + 名词复数意为"最……之一",其作主语时,谓语动词用单数形 式。 One of the longest rivers in the world is the Yangtze River.世界上最长的河流之一是长江。 【学以致用】 (1) 上海是世界上最大的城市之一。 _____ (2)The Great Wall is one of the most famous wonders of the world. (英译汉) _____ 4. DON'T MISS OUT! 别错过! miss out 是一个动词短语,意为"错过;错失(机会等)",既可以单独使用,也可后接介词 "on",再接宾语。用于提醒或警示别人不要错过某事。miss out on(doing) sth 意为"错过做某 事"。 【学以致用】 (1) 如果你现在不买票,你就会错过这场音乐会。 _____ (2)Don't _____ _____ _____(错过) the chance to study abroad. (3)He missed _____ _____(错过参加) the important meeting because of the traffic jam. 5. Spencer Silver invented a type of glue. 斯宾塞·西尔弗发明了一种胶水。 a type of 表示"一种;一类",用于对事物进行分类或说明事物的种类,后接名词。用来介绍 某事物所属的类别时,type 可以用 kind、sort 等词替换,意思相近。 【学以致用】 (1) 这是一种中国传统艺术。 _____ (2)He is studying _____ _____ _____(一种) medicine that can cure the disease. 6. Arthur Fry thought it was perfect for sticking notes to books without... 亚瑟·弗莱认为它非常 适合把便条贴在书上而不…… be perfect for(doing) sth 意为"非常适合(做)某事",perfect 表示"完美的;理想的",用于 描述某事物在特定用途或情境下的适用性。for 是介词,后可接名词,代词或动名词作宾语。 【学以致用】 (1) This kind of material is perfect for making clothes. (英译汉) _____ (2) The location is _____ _____(非常适合) opening a new restaurant. 7. The Wright Brothers learnt from... and never lost hope. 莱特兄弟从……中吸取经验教训,并 且从未失去希望。 ... ...