2022广州版八年级上册英语Unit3课内重点及语法.doc

2022广州版八年级上册英语Unit3课内重点及语法 - Unit3 ◆ 知识探究 Step one Getting ready & Reading 课文讲解 1 Listen to a woman making a phone order.听一位女士 购物 Order n.订货；订购 make an order 订购如： Please make an order for a new sofa and a tea table.请订购一个新沙发和茶几 回忆：order 还可表示―命令‖的意思如： This is an order! 这是命令! order sb to do sth 命令某人做某事 〔1〕韩梅梅命令李雷去做家务 (2) My mother order me _______ off the TV. A. to turn B. turning C. turn D. to turning 2 Learn how to pare things by using the parative of adjectives.学习如何用形容词的比拟级来比照事物 pare v.比拟；比照。

pare…with… 把···与···相比如： pare this picture with that one and see which is better. 把这幅画和那幅画相比，看看哪幅更好 3 We use the puter for typing. 我们用电脑来打字 Type v.打字如： I‘ll ask Miss white to type the letter. 我会让怀特小姐把这封信打出来 Type 还可作名词，表示―种类；类型‖的意思如： A type of 一种 4 puters may work as doctors. 电脑可以当医生 Work as 从事···工作如： My brother works as an engineer.我哥哥是工程师 (1) 我将来想从事一名老师 (2) 我妈妈是一名家庭主妇 5 You may be unaware of them. 你可能没意识到这些 Be unaware of 没意识到；未发觉如： He was unaware of the truth. 他没意识到真想 拓展：be aware of 意识到；发觉到 的更多。

(1)我们必须自己靠自己 7 They can calculate at a faster speed than we can and almost never give wrong answers. 它们的计算得比我们快，而且几乎从不出错 Speed n. 速度如： At a fast / full speed 快速 / 全速 At a speed of 120 kilometers per hour 以每小时120公里的速度 (1)我以每分钟500米的速度冲向饭堂 8 In addition, puters can do important jobs like operating railways and flying planes and spaceships.此外，电脑可以做很重要的工作，如铁路系统的控制、飞机飞船的操作 In addition 除···以外〔还〕如： He does well in all his subjects. In addition, he is good at playing sports. 他各门功课都很出色此外，他还擅长各项运动 (1). 另外，我寒假还要去旅游。

9. However, one day puters may be able to do a better job than human beings. Be able to 意为―能，可以‖，后接动词原形 Tom isn‘t able to e because he is ill. 辨析be able to与can be able to 表示有才能，往往是有人称和数的变化 经过努力而获得的能可用于多种时态 力 can 表示身体或精神上自没有人称和数的变化 身具备的才能，还可以表示恳求、允许、推测 10. Some young people always need help from their parents. Need作实义动词讲，意为需要 Need to do sth ―需要做某事‖，主语通常是人 We need to tell him the truth. Need doing sth ―需要做某事‖，主语通常是物 The flowers need watering. Need作情态动词时，没有人称和数的变化，后接动词原形，主要用于否认句或疑问句中 〔1〕 你需要按时完成作业。

〔2〕 没有人的时候灯要关掉 11. We had fun and learnt something new as well. Have fun意为―玩得开心，过得愉快‖，相当于have a good/great/wonderful time或enjoy oneself,此处fun是不可数名词，意为―玩笑，娱乐，乐趣‖ The children are having fun playing in the park. (1) 我们去下川岛玩得很开心 =___________________________________________ As well意为―也‖通常放句末，相当于too. I can speak Chinese and I can speak English as well. 12. ...but it works at a much faster speed than my old one. At介词，意为―〔速度〕以...‖ At a speed of以...的速度 at high/low speed以高速/低速 At top/full speed以全速 Much faster意为―快得多‖。

―much+形容词/副词的比拟级‖意为―......得多‖ I‘m much taller than you. 只有一般如今时和一般过去时的两种时态 常见的用于修饰比拟级的单词或短语有much, even, a little, a bit等 Step two-Listening 讲解 Price each单价 Price名词，意为―价钱价格‖询问价格用―What‘s the price of...?‖，相当于―How much is/are...?‖ 1〕表示价格高用―high‖,表示价格低用―low‖ The price of the book is very high. 2〕expensive ―昂贵的，花钱多的‖，表示物品―贵‖；表示物品―贱‖用cheap〔廉价的，廉价的〕它们的主语必须是货物、物品本身 This watch is expensive. 【随堂练】： (一) 单项选择： 1 This puter is ________ than that one. A. expensive B. more expensive C. much expensive D.most expensive accident A. on B. in C. by D. with ( ) 3 Lucy‘s mother ________ a teacher in a big school. She is kind to all her students. A. works out B. works as C. works in D. works on ( ) 4 Sam is an excellent engineer. ________ ,he is a good footballer. A. in trouble B. in time C. in addition D. in future ( ) 5 We use the mouse for ________ the puter. A. control B. controls C. controlled D. controlling (二) 单词拼写。

1 —How fast can the car run? —It can run at a s ________ of 150 kilometres an hour. 3 These ants are so t ________ that people are always unaware of them. 4 Use your b ________ , and you‘ll find a way. 5 My seventy-year-old grandpa is learning to t ________ with the puter. (三) 完成句子 1 人们生病时要依靠医生 People have to ________ ________ doctors when they are ill. 2 此外，李老师还是个灌篮高手 ________ ________, Mr Li is a great basketball player. 3 你父亲从事什么工作？ What does your father ________ ________? 4 我没发觉到这个错误的答案。

I ________ ________ ________ the wrong answer. 5 假如你比拟一下这些文章，你就会知道谁写得最好 ________ you ________ these articles, you‘ll know writes the best. (四) 读课文，选择正确答案 ( ) 1 The first puters appeared ________. A. in 1940 B. before cars C. in the 1940s ( ) 2 Now puters are being ________. A. smaller B. less C. bigger ( ) 3 puters can do ________ for human beings. A. nothing B. something C. anything ( ) 4 Peopl。