人教版九年級(jí)unit8 sectionA 3a-3c課件

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 deliciousWhat kinds of tea do you know?1. Green tea 2. Black tea3. Wu long tea4. Compressed tea（磚茶）5. Scented tea （花茶） What are the effects (功效）of tea?Make

4、 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 ?夏喝綠，冬喝紅，一年四季喝烏龍。Its best to drink tea an hour after eating.Different seasons ,different tea Who was the first to discover tea as a drink?A Chinese ruler Shen NongListen and

5、 answer.It was invented about 5000 years ago.It was invented by the Chinese rulerShen Nong.It was invented by accident.2. Who was it invented by?3. How was it invented?1. When was it invented?Para 1: First, .was boiling overfireSecond, fell intoandremainedThen, producedFinally, tastedand it wasPara1

6、.How tea was invented by accident?Four stepsPara3: How tea spreads to other countries During the 6th and 7th centuriesAround 1660In less than 100 yearsIn the 19th centurywas brought tohad becomeappearedtook placetimeeventsThis refers tothe tea trade.Tea didnt appear until around 1660 in England.What

7、s the result ?1. What does the writer think of tea (the status of tea 茶的地位)?Tea is the most popular drink in the world.2. 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.

8、 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 water. 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 tradeinventeddrunkproducedb

9、roughttradedLanguage points1. Accident n. 意外； 偶然事故 An accident happened to the washer. 冼衣機(jī)出了故障。 by accident：偶然；無(wú)意中：I met Jacob by accident in the cinema。 accidental：adj.偶然的，不測(cè)的；意外的accidentally：adv.偶然地，意外地2.remain的用法一、 用作聯(lián)系動(dòng)詞，指某人或某事物仍保持某種狀態(tài)，意為“仍然；依舊”，“留；呆；住；待”，后面可接名詞、代詞、形容詞、介詞短語(yǔ)、分詞作表語(yǔ)。 1. 接名詞作表語(yǔ) Pete

10、r became a manager, but Jack remained a worker. 彼得成為了一個(gè)經(jīng)理，而杰克仍然是個(gè)工人。 It remained a secret. 這仍然是個(gè)秘密。 二、用作不及物動(dòng)詞，意思是“剩下；剩余；遺留”，此時(shí)不能用進(jìn)行時(shí)態(tài)，也沒(méi)有被動(dòng)語(yǔ)態(tài)。 After the fire, very little remained of his house. 火災(zāi)過(guò)后，他的家所剩無(wú)幾。 After the earthquake, very little remained of the city of Tangshan. 地震過(guò)后，唐山這座城市所剩無(wú)幾。3. and r

11、emained there for some time. some time 一段時(shí)間；一些時(shí)間Ill stay here for some time.我將在這兒呆一段時(shí)間。sometimes是個(gè)頻度副詞，意為“有時(shí)”；sometime是個(gè)副詞，意為“將來(lái)的某個(gè)時(shí)間”， Eg：They will comesometimenext week.some time是名詞短語(yǔ), 意思是“一段時(shí)間”, 在句中常與for、take等詞連用。some times是名詞短語(yǔ)，意為“幾次(倍)”, 對(duì)它提問(wèn)用 how many times。 How many times do you watch TV ever

12、y week？ Some times請(qǐng)記住下面口訣： 分開(kāi)是“一段”， 相連為“某時(shí)”; 分開(kāi)s是“倍、次”， 相連s是“有時(shí)”。 5. without doubt 毫無(wú)疑問(wèn)；的確Without doubt this is the best. 無(wú)疑地這是最好的。 doubt n. 懷疑；疑惑 v. 懷疑；不信任His honesty is beyonddoubt. 他的誠(chéng)實(shí)毫無(wú)疑問(wèn)。This question remains in doubt.這個(gè)問(wèn)題依然非常值得懷疑。in doubt 懷疑；拿不定主意no / without / beyond doubt 無(wú)疑地；必定；當(dāng)然 said tha

13、t 據(jù)說(shuō) believed that 據(jù)認(rèn)為 It is reported that 據(jù)報(bào)道 known that 眾所周知 supposed that 據(jù)推測(cè)It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries.eat, lock, like, ring, invite, break, tell, bring1. You _ to the party last night, werent you? Why didnt you go?2. The earthquake ha

14、ppened all of a sudden, but luckily the villagers _to 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 t

15、hey 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. Bell _(work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell _(learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone _(invent) in 1876. The first sentence that _(say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone _(use) around the world. was invented was born worked learned was invented was said is usedWr