人教版九年级unit8 sectionA3a-3c课件

1、Unit 6 When was it invented? Section APeriod 2 ( 3a3c )An Accidental Invention Something about zipper Do you know how small _ changed the world? Thats the subject for my _ _ . I want to introduce the _. It is _ a great invention _ it is often _ in our _ _. Zippers can _ _ _ dresses, _, shoes, bags,

2、almost everywhere. I have seen on a _ that the _ of different inventions were _. There it _ that the zipper was invented _ Whitcomb Judson in 1893. But it wasnt used _ at that time. In around 1917, it become _. inventions school project zipper such that used daily lives seen on trousers websitepione

3、ers listedmentioned by widely popular be - What would you like to drink if you are thirsty?- Id like to drink _.pure waterteais brown and tastes deliciousWhats the most traditional drink in China? What kinds of tea do you know?1. Green tea 2. Black tea3. Wu long tea4. Compressed tea（砖茶）（砖茶）5. Scente

4、d tea （花茶）（花茶） What are the effects (功效）功效）of tea? Make you more beautiful Keep cancer from you Help you lose weight Make your mind clear. When is the best time to drink tea in a day ?夏喝绿，冬喝红，一年四季喝乌龙。夏喝绿，冬喝红，一年四季喝乌龙。Its best to drink tea an hour after eating.Different seasons ,different tea Who was

5、the first to discover tea as a drink?Listen and answer.Skim and match the main idea with each paragraph.Paragraph 1Paragraph 2Paragraph 3Lu Yu and his book Cha Jing How tea spread to other countriesHow tea was invented by accidentAn Accidental Invention2. Who was it invented by?3. How was it invente

6、d?1. When was it invented?Para 1: A Chinese ruler Shen Nongboil (煮煮) the drinking waterThe leaves from a tea plant fell into the water and remained（留在）（留在）there for some time.over an open fire在篝火上在篝火上produce(产生产生) a nice smellThe tea was invented by accident. (偶然地偶然地)an accidental inventionFirst, .w

7、as boiling overfireSecond, fell intoandremainedThen, producedFinally, tastedand it wasPara1.How tea was invented by accident?Four steps were produced and what kinds of water were used.Para2: Lu Yu and his book Cha Jing Para3: How tea spreads to other countries During the 6th and 7th centuriesAround

8、1660In less than 100 yearsIn the 19th centurywas brought tohad becomeappearedtook placetimeeventsThis refers to the tea trade.Tea didnt appear until around 1660 in England.Whats the result ?1. What does the writer think of tea (the status of tea 茶的地位茶的地位)?Tea is the most popular drink in the world.2

9、. Who knows the tea culture best?The Chinese are without doubt the ones who best understand the nature of tea.Chinese people 1. One of the worlds favorite drinks was _ by accident. 2. Tea was first _ by Shen Nong about 5,000 years ago. 3. A nice smell was _ when the tea leaves dropped into the hot w

10、ater. 4. Tea was _ to Korea and Japan during the 6th and 7th centuries. 5. Tea is now _ between many different countries. 3c. invent drink bring produce tradeinventeddrunkproducedbroughttradedLanguage points1. Accident n. 意外；意外； 偶然事故偶然事故 An accident happened to the washer. 冼衣机出了故障。冼衣机出了故障。 by accide

11、nt：偶然；无意中：偶然；无意中：I met Jacob by accident in the cinema。 accidental：adj.偶然的，不测的；意外的偶然的，不测的；意外的accidentally：adv.偶然地，意外地偶然地，意外地2.remain的用法的用法一、一、 用作用作联系动词联系动词，指某人或某事物仍保持，指某人或某事物仍保持某种状态，意为某种状态，意为“仍然；依旧仍然；依旧”，“留；呆；留；呆；住；待住；待”，后面可接名词、代词、形容词、，后面可接名词、代词、形容词、介词短语介词短语、分词作表语。、分词作表语。 1. 接名词作表语接名词作表语 Peter becam

12、e a manager, but Jack remained a worker. 彼得成为了一个经理，而杰克仍然是个工人。彼得成为了一个经理，而杰克仍然是个工人。 It remained a secret. 这仍然是个秘密。这仍然是个秘密。 2. 接形容词作表语接形容词作表语 Whatever achievements youve made, you should remain modest. 无论你取得多么大的成就，你都该保持谦无论你取得多么大的成就，你都该保持谦虚。虚。 3. 接接介词短语介词短语作表语作表语 He had to remain in hospital until he wa

13、s better. 他不得不一直住院直到身体好些。他不得不一直住院直到身体好些。 二、用作二、用作不及物动词不及物动词，意思是，意思是“剩下；剩剩下；剩余；遗留余；遗留”，此时不能用进行时态，也，此时不能用进行时态，也没有没有被动语态被动语态。 After the fire, very little remained of his house. 火灾过后，他的家所剩无几。火灾过后，他的家所剩无几。 After the earthquake, very little remained of the city of Tangshan. 地震过后，唐山这座城市所剩无几。地震过后，唐山这座城市所剩无几

14、。3. and remained there for some time. some time 一段时间；一些时间一段时间；一些时间Ill stay here for some time.我将在这儿呆一段时间。我将在这儿呆一段时间。sometimes是个频度副词，意为是个频度副词，意为“有时有时”；sometime是个副词，意为是个副词，意为“将来的某个时间将来的某个时间”， Eg：They will come sometime next week.some time是名词短语是名词短语, 意思是意思是“一段时间一段时间”, 在句中常与在句中常与for、take等词连用。等词连用。some t

15、imes是名词短语，意为是名词短语，意为“几次几次(倍倍)”, 对它提问用对它提问用 how many times。 How many times do you watch TV every week？ Some times请记住下面口诀：请记住下面口诀： 分开是分开是“一段一段”， 相连为相连为“某时某时”; 分开分开s是是“倍、次倍、次”， 相连相连s是是“有时有时”。 4. take place 和和happen的用法的用法1) take place 表示表示“发生、举行、举办发生、举行、举办”，一般指，一般指这种事件的发生一定有某种原因或事先的安排这种事件的发生一定有某种原因或事先的安

16、排 The Olympic Games of 2008 took place in Beijing. 2) happen作作“发生、碰巧发生、碰巧”解，一般用于偶然或突发性解，一般用于偶然或突发性事件事件 What happened to you? 注意：注意：happen 与与 take place 通常都没有被动语态。通常都没有被动语态。 What _ her? 她发生了什么事？她发生了什么事？ 2) I _ meet my friend in the street. 我碰巧在街上遇见了我的朋友。我碰巧在街上遇见了我的朋友。 3) When will the wedding _？婚礼什么时

17、候？婚礼什么时候举行？举行？happened tohappened totake place5. without doubt 毫无疑问；的确毫无疑问；的确Without doubt this is the best. 无疑地这是最好的。无疑地这是最好的。 doubt n. 怀疑；疑惑怀疑；疑惑 v. 怀疑；不信任怀疑；不信任His honesty is beyond doubt. 他的诚实毫无疑问。他的诚实毫无疑问。This question remains in doubt.这个问题依然非常值得怀疑。这个问题依然非常值得怀疑。in doubt 怀疑；拿不定主意怀疑；拿不定主意no / wit

18、hout / beyond doubt 无疑地；必定；当然无疑地；必定；当然 said that 据说据说 believed that 据认为据认为 It is reported that 据报道据报道 known that 众所周知众所周知 supposed that 据推测据推测It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries.1. They sold the fridge at a low price.2. Somebody stole my camera fro

19、m my hotel room.3. Where did you take these photos?4. Our parents advised us not to go out alone.5. Different writers translated the book into different languages.The fridge was sold at a low price. My camera was stolen from my hotel room by somebody.Where were these photos taken (by you)?We were ad

20、vised not to go out alone (by our parents).The book was translated into different languages (by different writers).eat, lock, like, ring, invite, break, tell, bring1. You _ to the party last night, werent you? Why didnt you go?2. The earthquake happened all of a sudden, but luckily the villagers _to

21、 a safe place.3. The door _ when we arrived, so we _ the bell.4. The students _ not to eat or drink in class, but Ruby _ the rule when she started eating a biscuit in science class.5. The cookies _ by the hungry kids in less than 20 minutes, and they really _ them. were invited were brought was locked rang were told broke were eaten likedThe telephone _ (invent) by Alexander Graham Bell. He _(born) in 1847. Mr. Be