《Unit6SectionA（3a-4c）课件.ppt》由会员分享，可在线阅读，更多相关《Unit6SectionA（3a-4c）课件.ppt（25页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Unit 6 When was it invented?Section A（3a-4c）课前预习- What would you like to drink if you are thirsty?- Id like to drink _.pure waterteais brown and tastes delicious课前预习Whats the most traditional drink in China? Tea has a long history.It was invented by accident.black tea 红茶红茶green tea 绿茶绿茶milk tea 奶茶奶茶
2、课前预习1. Green tea 2. Black tea3. Wu long tea4. Compressed tea（砖茶）（砖茶）5. Scented tea （花茶）（花茶） What kinds of tea do you know?课前预习1. Make you more beautiful 2. Keep cancer from you 3. Help you lose weight 4. Make your mind clear.What are the effects ( (功效）of tea？课文解析1. accident n. 意外；意外； 偶然事故偶然事故 例：例：An
3、 accident happened to the washer. 冼衣机出了故障。冼衣机出了故障。 by accident：偶然；无意中：偶然；无意中： 例：例：I met Jacob by accident in the cinema。 我偶然在电影院遇到了雅各布。我偶然在电影院遇到了雅各布。 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，意外地课文解析一、一、 用作用作联系动词联系动词，指某人或某事物仍保持某种状态，意为，指某人或某事物仍保持某种状态，意为“仍然；仍然；依旧依旧”，“留；呆；住；待留；
4、呆；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. 1. 接名词作表语接名词作表语 例：例：Peter became a manager, but Jack remained a worker. 彼彼得成为了一个经理，而杰克仍然是个工人。得成为了一个经理，而杰克仍然是个工人。 It remained a secret. 这这仍然是个秘密。仍然是个秘密。 remain的用法的用法2. 2. 接形容词作表语接形容词作表语 例：例：Whatever achievements youve made, you should rema
5、in modest. 无论无论你取得多么大的成就，你都该保持谦虚。你取得多么大的成就，你都该保持谦虚。 3. 3. 接接介词短语介词短语作表语作表语 例：例： He had to remain in hospital until he was better. 他他不得不一直住院直到身体好些。不得不一直住院直到身体好些。 课文解析二、用作二、用作不及物动词不及物动词，意思是，意思是“剩下；剩余；遗留剩下；剩余；遗留”，此时不能用，此时不能用进行时态，也没有进行时态，也没有被动语态被动语态。 例：例：After the fire, very little remained of his house
6、. 火灾火灾过后，他的家所剩无几。过后，他的家所剩无几。 After the earthquake, very little remained of the city of Tangshan. 地震地震过后，唐山这座城市所剩无几。过后，唐山这座城市所剩无几。课文解析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 例：例：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。课文解析sometimes是个频度副词，意为是个频度副词，意为“有时有时”；sometime
7、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”， 例：例：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等等词连用。词连用。some times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。课文解析请记住下面口诀：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”。 课文解析课文解析1) take pl
8、ace 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这种事件的发生一定有某种原因或事先的安排。有某种原因或事先的安排。 例：例：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事件解，一般用于偶然或突发性事件 例：例：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。 take place 和和happen的用法的用法课文解析1)What _ her? 她
9、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 _？婚礼什么时候举行？婚礼什么时候举行？happened tohappened totake place课文解析5. without doubt 毫无疑问；的确毫无疑问；的确 例：例：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（1）no / without
10、 / beyond doubt 无疑地；必定；当然无疑地；必定；当然 例：例：His honesty is beyond doubt. 他的诚实毫无疑问。他的诚实毫无疑问。课文解析（2）in doubt 怀疑；拿不定主意怀疑；拿不定主意 例：例：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。 1. One of the worlds favorite drinks was _ by accident. 2. Tea was first _ by Shen Nong about 5,000 years ago. 3. A ni
11、ce 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 tradeinventeddrunkproducedbroughttradedPracticeGrammar Focus被动语态被动语态 (Passive Voice) 结构结构:
12、 be + done(过去分词过去分词).am / are / is +动词的过去分词动词的过去分词was / were +动词的过去分词动词的过去分词 一般现在时的被动语态一般现在时的被动语态:一般过去时的被动语态一般过去时的被动语态:Grammar Focus主动句变为被动句所遵循的主动句变为被动句所遵循的4个步骤：个步骤：1. 把原主动句中的宾语变为被动句的主语。把原主动句中的宾语变为被动句的主语。2. 把动词变为被动形式即把动词变为被动形式即be+过去分词，并注意其人称和数随主语过去分词，并注意其人称和数随主语的变化，而动词的时态则保持不变。的变化，而动词的时态则保持不变。3. 原主动
13、句的主语如需要则放在原主动句的主语如需要则放在by后面以它后面以它 的宾格形式出现（注的宾格形式出现（注代词的宾格），如不需要则可省略。代词的宾格），如不需要则可省略。4. 其它的成分（定语、状语）不变。其它的成分（定语、状语）不变。Grammar Focus被动语态的几种句型被动语态的几种句型肯定句肯定句 主语主语 + be + 过去分词过去分词 + (by)A sweet song was sung by her on the stage.否定句否定句 主语主语 + be + not +过去分词过去分词 + (by)一般疑问句一般疑问句 Be + 主语主语 +过去分词过去分词 + (by)
14、? A sweet song wasnt sung by her on the stage.Was a sweet song sung by her on the stage?特殊疑问句特殊疑问句 疑问词疑问词 + be + 主语主语 +过去分词过去分词 + (by)?Where was a sweet song sung by her? 1.They sold the fridge at a low price.2.Somebody stole my camera from my hotel room.3.Where did you take these photos?The fridge
15、was sold at a low price. My camera was stolen from my hotel room by somebody.Where were these photos taken?4aPractice4.Our parents advised us not to go out alone.5.Different writers translated the book into different languages.We were advised by our parents not to go out alone.The book was translate
16、d into different languages by different writers.Practice4b 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 a safe place.3.The door _ when we arrived, so we _ the be
17、ll.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 likedPractice The telephon
18、e _ (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
19、) 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 used4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanksPracticeTHE ENDTHANKS