1、1Unit 4 Topic 3 Section A The workers used live models, didnt theyI. Learning Aims 学习目标同学们学会运用附加疑问句（反意疑问句）来表示自己的看法，征求对方的同意或肯定。II. The Important Points 重点1. 同学们需要掌握下列单词和短语的用法：railway n.铁路；铁道 , remain v.余下，留下；保留，仍是, pull v.拉，拖； n.拉力，引力pull down 推倒 , fall down倒下，坍塌, try to do sth.尽某人最大的努力去做某事2. 同学们需要掌握
2、下列句型：(1) Its a nice day, isnt it? 今天天气不错，不是吗？(2) Lets go and have a look, shall we? 咱们去看看，好吗？(3) There are still many old city walls in Beijing, arent there? 北京仍然有很多古城墙，不是吗？(4) Oh, you know a lot about them, dont you? 你对他们了解的很多，不是吗？ (5) Only a few of them remain now. 现在它们之中只有很少的 一些还在。(6) There used
3、to be lots of old city walls in Beijing. 北京曾经有许多古城墙。(7) Most old city walls were pulled down in the 1960s, because they were falling down.大多数墙在二十世纪六十年代被推倒了，因为它们快坍塌了。(8) The government is trying to protect and repair the old city walls.政府正在想尽办法保护、修整这些古城墙。III. The Difficult Points 难点附加疑问句的结构。. Preview
4、 自主预习1. 请同学们认读生词表中 P93-94的词汇五遍，直至读熟。若有词读不准，请标出来。2. 请同学们从 Section A中划出含有下列单词的短语并理解：(1) later (2) used (3) pulled (4) 1960s (5)fall (6) try (7) learn3. 请同学们从 Section A 1a中找出附加疑问句并翻译。_24. 请同学们预习附加疑问句的结构及用法，准备课上讲述。. Hot Links 知识链接1. 附加疑问句也叫反意疑问句，表示说话者有一定的看法，征求对方的同意或肯定。附加疑问句由两部分构成：前一部分是对事物的陈述，后一部分是省略的问句。
5、前者用否定形式，后者一般用否定形式；前者用否定形式，后者一般用肯定形式。两部分的人称和时态要一致。附加疑问句的主语应用相应的人称代词，动词的否定形式一般用缩略形式。如： There arent any modern buildings and roads, are there?The government is trying to protect and repair the old city walls, isnt it?反意疑问句有以下几个问题要注意。(1) 陈述部分若用指人的不定代词 everyone, everybody, someone, no one, somebody, nobo
6、dy 等作主语时，其附加问句的主语常用 they, 有时也可用 he; 陈述部分若用指物的不定代词 everything, something, nothing等作主语时，疑问部分的主语常用 it;若陈述部分的主语是指示代词 this, that或 these, those时，疑问部分的主语一般用 it或 they。如：那是一辆小汽车，不是吗？That is a car, _ _?每个人都过得很愉快，不是吗？Everybody had a good time yesterday, _ _?(2) 当陈述句含有 few, little, never, nothing, no, seldom, n
7、obody, hardly, neither, tooto, no one等含有表示否定意义的词时，疑问部分要用肯定形式。如：这个女孩年龄太小不能上学，是吗？The girl is too young to go to school, _ _?屋子里什么都没有，是吗？There is nothing in the room, _ _?他们从没步行去过学校，是吗？They never go to school on foot, _ _?(3) 特殊形式的反意疑问句陈述部分为 I am时，疑问部分常用 arent I 来反问。如：Im interested in reading story boo
8、ks, _ _?陈述部分为祈使句时，疑问部分用 will you或 wont you, 用 will you 多表示请求，用 wont you 多表示提醒对方注意。如：别开门，好吗？Dont open the door, _ _?准时来，好吗？Come here on time, _ _?陈述部分为 Lets和 Let us 时。Lets 表明对话人和说话人是一个群体，所以 Lets 的反意疑问句常用 shall we; Let us表明对话人和说话人是两个群体，所以 Let us的反意疑问句常用 will you。如：Lets go home, _ _?Let us go home, _ _
9、?当陈述部分有 had better (not)时，疑问部分用助动词 had。如：他最好去上学，不是吗？Hed better go to school, _ _?你最好不要吃辣的食物，好吗？Youd better not eat hot food, _ _?3当陈述部分含有情态动词 must时，疑问部分要根据 must的含义而确定。当must 作“一定，必须”讲时，疑问部分要用 neednt;当 must作推测意义“一定，准是”讲时，疑问部分要根据 must后的动词原形选用相应的形式。如：我们必须努力工作，是吗？We must work hard, _ _?他准是个医生，是吗？He must
10、be a doctor, _ _? 2. try to do sth. 尽最大努力做某事try to do sth. = do ones best to do sth. = try ones best to do sth. 意为“尽某人最大努力去做某事” 。因此文中原句也可说成：_3. protect sb. / sth. 意为“保护/ 防护某人/ 某物” 。常用短语有：protect from保护免受的伤害 如：我们应该保护身边的动物。We should _ the animals _ us. 尽量保护你的皮肤不被太阳晒。Try _ _ your skin _ the sun.4. Ther
11、e used to be lots of old city walls in Beijing. 这句话的反意疑问句是:There used to be lots of old city walls in Beijing , usednt there? 或 There used to be lots of old city walls in Beijing, didnt there?肯定回答：Yes, there used. 或 Yes, there did. 否定回答：No, there usednt. 或 No, there didnt.写出下面句子的 反意疑问句并做出肯定和否定回答。The
12、re used to be a lake near my house, _ _?_, _ _. / _, _ _. Having a Quit 当堂检测 (I) 词汇A)根据句意及首字母提示完成句子。1. Only a few old city walls r_ in Beijing now. They are very valuable today.2. Today the g_ realizes the importance of saving these old city walls. 3. There will be a r_ in my hometown, then we can t
13、ravel by train easily.4. Dad, there is something wrong with my bike. Can you r_ it for me?5. The sofa is near the wall. Please help me p_ it away from the wall.B) 根据汉语提示完成句子。1. 这里曾经有许多老树，但是现在你看不见一棵。_ _ _ _ lots of old trees, but now you cant see any.2. 在我的家乡有座古塔，它有 700多年的历史。There is an old tower in
14、my hometown. It is _ _ 700 years old.3. 我们能从书里学到很多有用的东西。We can _ a lot of useful things_ books.44. 我们去看望我们的英语老师好吗？Lets go and see our English teacher, _ _?5. -这建筑看起来不错。为什么要推倒它呢？-The building looks nice. Why do you _ _ _?(II) 单项选择。( )1. Could you tell me something more about the Great Wall, Li Lei?Su
15、re. But its time for lunch. Ill tell you more _.A. now B. late C. later D. at the moment( )2. There are many places of interest in China, arent there?_ Such as the Great Wall, Mount Huang and so on.A. Yes, they are. B. Yes, there are. C. No, there arent. D. No, they arent.( ) 3. The machine doesnt w
16、ork. Mr. Wang is trying _ it.A. to make B. to keep C. to protect D. to repair( ) 4. The lady couldnt say a word when she saw the snake, _?A.could the lady B. couldnt the lady C. could she D. couldnt she( ) 5. The government must _kids _ all the violence(暴力).A.Look; after B. protect; of C. protect; f
17、or D. protect; from(III)按要求完成下面句子。1. The government will rebuild the old walls because they are falling down.(对划线部分提问)_ _ the government rebuild the old walls?2. There is little milk in the bottle, _ _ ?(完成反意疑问句)3. The old building is 800 years old. (对划线部分提问) _ _ is the old building?4. After an hour
18、, they reached America. (同义句转换)An hour _, they _ _ America.(IV) 补全对话。A: Hi, Huahua. Its Sunday, 1_?B: Yes, it is. Lets go to the zoo, 2_?A: That sounds great. The zoo is very interesting. Many children want to go there, 3_?B: Yes, they do. A: You wont forget to bring a camera with you, 4_?B: Of course not.A: Lets meet at the gate of the zoo at 9:00. Homework 课 外作业 1. 认真读、背今天的“学习重点” 和“知识链接” ，并默写。2. 熟读 1a、2a, 背诵，默写一遍。3. 按照 Section B中自主预习中的要求预习 Sectio n B。4. 仿照 1a编一段对话
