1、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.听一位女士电话购物。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。回顾: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
2、去做家务。_(2) My mother order me _ off the TV.A. to turn B. turning C. turn D. to turning2 Learn how to compare things by using the comparative of adjectives.学习如何用形容词的比较级来对比事物。 Compare v.比较;对比。Comparewith 把与相比。如: Compare 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
3、computer for typing. 我们用电脑来打字。Type v.打字。如:Ill 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 Computers 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) 我将来想从事一名教师。_(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
4、些。 Be unaware of 没意识到;未察觉。如:He was unaware of the truth. 他没意识到真想。拓展:be aware of 意识到;察觉到(1) 我没想到你是这样一个人。_6 You depend on computers more than you realize. 你依赖电脑的程度比你知道的更多。 Depend on 依靠。如: Children depend on their parents.孩子依靠父母。(1)我们必须自己靠自己。_7 They can calculate at a faster speed than we can and almos
5、t 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, computers 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
6、。 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 computers may be able to do a better job than human beings.Be able to 意为“能,能够”,后接动词原形。Tom isnt able to come because he is ill.辨析be able to
7、与canbe able to表示有能力,往往是经过努力而获得的能力有人称和数的变化可用于多种时态can表示身体或精神上自身具备的能力,还可以表示请求、允许、推测没有人称和数的变化只有一般现在时和一般过去时的两种时态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
8、情态动词时,没有人称和数的变化,后接动词原形,主要用于否定句或疑问句中。(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
9、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/副词的比较级”意为“.得多”Im much taller than you.常见的用于修饰比较级的单词或短语有much, even, a little, a b
10、it等。Step two-Listening 讲解Price each单价Price名词,意为“价钱价格”。询问价格用“Whats 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,便宜的)。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 computer is _ tha
11、n that one. A. expensive B. more expensive C. much expensive D.most expensive( ) 2 Mary depended _ her grandparents after her parents died in the accident A. on B. in C. by D. with( ) 3 Lucys mother _ a teacher in a big school. She is kind to all her students. A. works out B. works as C. works in D.
12、 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 computer. 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
13、.2 We d _ on each other because we are good friends.3 These ants are so t _ that people are always unaware of them.4 Use your b _ , and youll find a way.5 My seventy-year-old grandpa is learning to t _ with the computer.(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 我没察觉到这个错误的答案。I _ _ _ the wrong answer.5 如果你比较一下这些文章,你就会知道谁写得最好。 _ you _ these articles, youll know writes the best.(四) 读课文,选择正确答案。( ) 1 The first computers a
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