Unit 6 Section B & Self Check单元知识点讲解2022-2023学年人教版英语八年级下册

Unit 6 An old man tried to move the mountains. Section B & Self Check 教材知识全解 讲透知识 查漏补缺 知识点一 感叹句的用法 教材原文What a long time you slept in the forest! 你们在森林里睡了太长时间了！ 本句是What引导的感叹句,感叹名词time. what引导的感叹句用来感叹名词. What a nice day today!今天天气真好！ 拓展 感叹句通常由what或how引导,表示惊讶、赞美、喜悦、愤怒等情感.结构如下: what引导 What+ a/an+形容词＋可数名词单数(＋主语＋谓语)！ What+形容词＋可数名词复数(＋主语＋谓语)！ What+形容词＋不可数名词(＋主语＋谓语)！ how引导 How+形容词＋a/an+可数名词单数(＋主语＋谓语)！ How+形容词或副词(＋主语＋谓语)！ How+主语＋谓语！ What a beautiful girl she is!她是多么漂亮的女孩啊！ What important jobs they have done!他们做了多么重要的工作啊！ What good news it is!这是多好的消息啊！ How old a building that is!＝What an old building that is!那是多么古老的楼房啊！ How interesting the story is!这个故事多么有趣啊！ How time flies!时光飞逝！ 例1 (2020贵州安顺中考)＂Pingtang Bridge has the highest concrete bridge tower in the world." “________ amazing it is!" A. How B, What C. What an 解析 此处的amazing 为形容词,需要用How来引导感叹句 答案A 知识点二 be made of的用法 教材原文 It's leading us to that wonderful house made of bread, cake and candy.它在把我们引向那座由面包、蛋糕和糖果做成的奇妙的房子. 本句中的 made of bread, cake and candy 是过去分词短语作后置定语,修饰house.过去分词作定语表示被动关系. be made of 是固定搭配,意为“由······制成”. There is an ornament made of shells on the wall.墙上有一个由贝壳做成的装饰品. The machine is made in Germany.这个机器产于德国. The model plane is made by my elder brother.这个飞机模型是我哥哥制作的. These grapes are made into wine.这些葡萄被制成了葡萄酒. The chair is made of bamboo.这把椅子是由竹子制成的. The paper is made from wood.纸是由木头制成的. This machine is made up of three parts.这个机器由三部分组成. 例2 I'd like to have this salad; it is________ blueberries. Do you want to have a try? A. made from B. made of C. made in D made into 解析 be made from表示“由······制成”,一般指看不出原材料,或发生的是化学变化;be made of也表“由······制成”,一般指能看出原材料,或发生的是物理变化;be made in 指的是生产于某地;be made into的意思为“被制成······”.这种沙拉是能看出原材料的,故B选项符合题意. 答案 B 知识点三 enough的用法 教材原文 Who is brave enough to eat my house?谁足够勇敢来吃我的房子? 本句中的brave enough表示“足够勇敢”.enough是副词,表示“足够”,修饰形容词或副词时,enough要后置. The room is large enough to hold thirty people.这个房间足够大,可以容纳30人. 拓展 enough的词性和用法 det.足够的 修饰名词,可以位于名词之前,也可以位于名词之后 adv.足够地