第5讲 Unit 5单元知识点精讲精练+针对性练习（学生版+教师版）2025春人教英语八下

/ 让教学更有效 高效备考 | 英语学科 Unit 5 What were you doing when the rainstorm came 知识精讲 一、重点单词讲解 1. begin v. 开始 教材原句：I was waiting for the bus when it began to rain heavily. (p34-2a) 【直击考点】 begin v. 过去式began 过去分词begun begin to do sth. 开始做某事（表示一件事情的开端，持续与否不重要） At first it was only drizzling, but soon it began to rain heavily. begin doing sth. 开始做某事（特别指很强烈的持续性） He began smoking three years ago. 拓展： 一般来说，begin to do和begin doing可以互换，但在以下三种情况下，用to do。 I. 主语不是指人，而是it等。 如：It began to rain. II. begin后接表示心理活动的词。如：begin to know还有believe, wonder, think 等词。 III. begin本身是ing形式，为避免重复后接to do 即：beginning to do beginning n. 开端 at the beginning of 在...的开端 2. heavily adv. 在很大程度上；大量地 教材原句：I was waiting for the bus when it began to rain heavily. (p34-2a) 【直击考点】 heavy adj. 重的；沉重的 heavily adv. 在很大程度上 heavy adj. 沉重的 How heavy are you heavily adv. 大量地 The army lost heavily. 形容风大的时候常用strong/hard 形容雨雪下得大的时候用heavily/hard 拓展： heavy改y为i +ly 变为adv ,类似的adj还有： hungry 饥饿的 hungrily happy 快乐的 happily angry 生气的 angrily lucky 幸运的 luckily 3. strange adj. 奇特的；奇怪的 教材原句：So early That’s strange. (p34-2d) 【直击考点】 1) strange adj. 奇怪的 strangely adv.奇怪地 stranger n. 陌生人 2) be strange to 对……感到陌生 strange 奇怪的 It’s strange that she came to the party. 陌生的 He stands in a stranger street. 4. beat v. 敲打；打败 教材原句：Ben was helping his mom make dinner when the rain began to beat heavily against the window. (p35-3a) 【直击考点】 beat v. 过去式和过去分词beat beaten 2) beat与win辨析 beat 是打败某人/某队 We beat Class 3 yesterday. win是赢得比赛或奖品奖项 Do you know who won the football match 5. against prep. 依；碰；撞 教材原句：Ben was helping his mom make dinner when the rain began to beat heavily against the window. (p35-3a) 【直击考点】 1）against表示“反对”，其反义词为 for。若表示“强烈反对”，一般用副词 strongly： Are you for or against the plan 2）表示位置，意为“靠着”、“顶着”、”逆着”等： The teacher’s desk is against the wall. He stood leaning against the tree. He swam against the river. 6. rise v. & n. 升起；增加；提高 教材原句：When he woke up, the sun was rising. (p35-3a) 【直击考点】 rise v. 过去式和过去分词 rose risen rise & raise 作为”上升、提高”对比 rise 升起；上升 主语自身移向较高位置 Price rose gradually raise 举起；提高 主语发出的动作作用于其他事物 Let’s raise our glasses to Tom. realize v. 理解；领会；认识到 教材原句：Kate realized her bag was still at home. (p37-1c) 【直击考点】 realize + n. The girl didn’t realize her mistake. realize + 从句 I didn’t realize that you were so unhappy. completely adv. 彻底地；完全地 教材原句：My parents were completely shocked. (p38-2b) 【直击考点】 1）completely adv. Physical exercise makes you tired but completely relaxed. 2) complete adj. 完整的 v. 完成 Make ... ...