九年级英语unit6全单元 146页

When was it invented? Section A 1a --- 3c Unit6 （全课件） Talk about the inventions( 发明 ). Which one do you think is the most helpful in our daily life? Lead in laptop car TV mobile phone camera clock Presentation 1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4](1=first,4=last) 1 2 3 4 computer TV A: I think the … was invented before the …. B: I disagree.( I agree. ) I think the… was invented after the…. car clock A: I think the … was invented before the …. B: I disagree.( I agree.) I think the… was invented after the…. laptop camera A: I think the … was invented before the …. B: I think so. ( I don’t think so.) I think the… was invented after the…. telephone mobile phone A: I think the … was invented before the …. B: I think so.( I don’t think so.) I think the… was invented after the…. 1b Listen and match the inventions with the years . a b c d When was the ...invented? 1876 1885 1927 197 1 a c b d 1c Pairwork A: When was the … invented ? B:I think it was invented in …. computer 1971 car 1885 TV 1927 telephone 1876 2a Listen and number the inventions [1-3] in the order you hear the m . 3 1 2 ___ shoes with special heels ___ shoes with lights ___ hot ice-cream scoop runs on electricity 2b Listen again and complete the chart below. I nvention What is it/are they used for ? ______ the style of the shoes seeing _________ _______ really cold ice-cream shoes with special heels shoes with lights hot ice-cream scoop 2c Make conversations using the information in 2b. A: What are they used for? A: What is it used for? B: They ’ re used for... B: It is used for… in the dark serving changing Carol is writing about some of the interesting _______ for his English homework. Look! They are shoes ___lights. People can ___ them ___ seeing in the dark when they get up at night. It seems cool because some people may ___ their toes on something on the way to the ______ at night. The second on is her favorite invention——a special ice-cream ______. It ___ ___ electricity and becomes hot. It __ ___ __ ____ really cold ice-cream. The last invention is shoes____ ___ _____. The ____ can be moved ___ ___ _____. People can change the _____. They can ____ the heels if they are going to a party or ____ them if they are just going out ___ shopping. inventions with use for hit bathroom scoop runs on is used for serving with special heels heels up and down style raise lower for 1. What invention are they talking about? 2. Who invented the zipper? 3. When was the zipper invented? 4. When was it used widely? 5. Where can you see zippers? The zipper. It was invented by Whitcomb Judson. In 1893. In 1917. On dresses, trousers, shoes, bags,… almost everywhere. 2d 1). (2012 辽宁大连 ) ---Thank you for taking me around your school, Daming. --- ________   A. Don't mention it. B. Never mind.   C. Of course not.   D. No problem. 2). --- Sorry, Sir. I made a mistake again.--- _____. Practice more and you will do better. 　 A. Never mind        B. I’m not sure   C. You’re welcome     D. Don’t mention it A A   根据句意和所给汉语提示 , 完成下列单词的 确拼写。 1. That’s the most _________ ( 有用的 ) book. 2. It is said that Thomas Edison had 1,093___________ ( 发明 ) during his lifetime. 3. --- What is this kind of machine used for? --- It’s used for _________ ( 听 ) to music. 4. If you _________ ( 加热 ) the ice, it will soon become water. 5. Children also need time _________ ( 玩耍 ). useful inventions listening heat to play 句型转换 1. The personal computer was invented in 1976 . ( 对划线部分提问 ) _______ _______ the personal computer _______? 2. The shoes with lights were invented by Julie Thompson . ( 对划线部分提问 ) ___ ______ the shoes with lights _____ ______ ? When was invented Who were invented by 3. Knives are used for cutting things . _______ _______ knives _______ _______? 4. A Chinese named Cai Lun invented paper. ( 改被 ) Paper ______ ______ ______ a Chinese named Cai Lun. What are used for was invented by 5. She was interviewed by the local TV station last week. ( 改为主动语态 ) The local TV station __________ _______ last week. interviewed her Unit 6 When was it invented? Section A 3a -3c Lead-in A: What will you do if you are really thirsty? B: I’ d like to drink these drink s. v. 喝；饮 n . 饮料 milk orange juice tea water What ’ s the most traditional drink in China ? Tea has a long history. Tea was first drunk nearly 5, 000 years ago. boiling drinking water 煮喝的水 leaves It smells pleasant. It tastes delicious and … drink – drank – drunk, 喝 Who was tea invented by? It was invented by the Chinese ruler called Shen Nong ． Shen Nong How was it invented ? boiling water over an open fire fell into …and remain ed… produce d a nice smell taste d the brown water —tea It was invented by accident . have a point by accident it is said/believed that be brought to sp. take place even though without doubt Language points 有道理 偶然；意外地 人们说 / 相信 被带到某地 发生；出现 即使 毫无疑问；的确 3a Reading Read the passage quickly and match each paragraph with it’s main idea. Paragraph 1 Paragraph 2 Paragraph 3 Lu Yu and his book Cha Jing How tea spread to other countries How tea was invented by accident 3b Read the passage again and answer the questions. When was tea first drunk? 2. How was tea invented? 3. Who is called “the saint of tea”? 4. What is Cha Jing about? 5. When was tea brought to other countries? Nearly 5,000 years ago. It was invented by accident. Shen Nong. How tea plants were grown and used to make tea. Korea and Japan: 6th and 7th centuries England: 1660 3c Complete the sentences with the correct forms of the verbs in the box. 1.One of the world’s favorite drinks was________ by accident. 2.Tea was first ________ by Shen Nong 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. invent, drink, bring, produce, trade invented drunk produced brought traded Unit 6 When was it invented? Section A Grammar Focus-4c Grammar Focus When was the zipper invented ？ It was invented in 1893. Who was it invented by ? It was invented by Whitcomb Judson. When was tea brought to Korea ？ It was brought to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for ? It ’ s used for serving really cold ice-cream Active Voice: Alexandar Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876. The simple past passive voice 一般过去时 被动语态 一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作，与主动语态相比,被动语态中主语是谓语动作的执行者。 被动语态的构成: 主语 + 助动词was/were+ (及物动词的) 过去分词 was (were) + done (P.P.) Grammar Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主动语态变被动语态的结构图 : 主语 谓语动词 过去式 宾语 时间状语 主语 谓语动词的 过去分词 宾语 时间状语 用所给动词的正确形式填空： 1. The bike __________(fix) up by Xiao m ing yesterday. 2. Shields ________ (use) for protecting people’s body in the past. 3.Last year, a picture _________(put) up on the blackboard. 4. She said French______________ (speak) in France. 5. Teenagers _______________(allow) to choose their own clothes two years ago. was fixed were used was put was spoken were allowed Practice They sold the fridge at a low price. _____________________________________________ 2. Somebody stole my camera from my hotel room. _____________________________________________ 3. Where did you take these photos? _____________________________________________ 4. Our parents advised us not to go out alone. _____________________________________________ 5. Different riters translated the book into different languages. _____________________________________________ The fridge was sold at a low price. My camera was stolen from my hotel room. Where were these photos taken? We were advised not to go out alone. The book was translated into different languages. 4a Rewrite the sentences using the passive vocie. 4b Complete the sentences with the correct forms of the verbs in the box. You__________________ to the party last night, weren’t you? Why didn’t 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 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. eat, lock, like, ring, invite, break, tell, bring were invited were brought was locked rang were told broke were eaten liked 4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. The 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 said is used was invented Suppose you are alone on a tiny island. What inventions would you like to have on the island with you? Write a short passage. Homework Unit 6 When was it invented? Section B 1 1a-1e What did they eat? Ice-cream. What did the big dog think of the ice-cream? Sweet, cool, and delicious! Warming up How will the bread and snack taste? Sweet and delicious. Can you think of any other flavor? Salty, hot, bitter, sour, fresh … crispy They taste hard and crispy. How do they taste? They taste ... salty sour They taste ... sweet soft They taste ... bitter （ 苦的 ） It taste s ... They taste very hot. 1.Can you tell me five tastes? 2. Which food is sour? 3.Which food is sweet? 4.Which food is bitter? 5.Which food is salty ? 6.Which food is hot ? Sour sweet bitter hot salty orange yogurt apple banana tea coffee salt pizza pepper onion tastes What kind of food do you like? Sweet food salty food Sour food Crispy food ______ ______ ______ ______ ______ ______ ______ ______ crispy sour salty sweet cold delicious sweet crispy salty sour salty adj . 脆的；酥脆的 adj . 酸的 adj . 咸的 fresh 1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 1. salty 咸 的 salty (tasting of sa lt ) 形容词，意为“咸的；含盐的”，是由名词 salt( 盐 ) 加后缀 -y 构成的。 ►The soup is a little salty for me. 汤对我来说有点咸了。 名词 + 后缀 -y 构成的形容词： luck—luck y health—health y wind—wind y rain—rain y taste — tast y ice —ic y snow —snow y sun—sunn y Language Points sweet ____________________________ crispy ____________________________ salty ____________________________ sour ____________________________ Write the name of a different food after each word. banana apple Beijing Duck potato chips 1b grape candy cracker cookie salt Salted fish lemon 1. Potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes were not thin enough. Listen and circle T for true or F or false. 1c Listening T F T F T F 4. The customer said they were not salty enough. 5. George wanted to make the customer happy. 6. The custom was happy in the end. T F T F T F n . 顾客 Explanation 1. Potato chips were invented by mistakes . mistake 作名词 “错误，误会”。也可以作动词 “弄错，犯错”。常见形式有： make a mistake 出错 e.g. You have made a mistake here. mistake…for… 错把 …… 当作 …… They mistook him for his brother. by mistake 错误地 , 无意的 e.g. They sent the letter to me by mistake. 2. Geroge wanted to make the customer happy . make 表示“使 …… 怎么样”，其后常带复合宾语。常见结构为：主语 +make+ 宾语 + 名词 / 形容词 ( 做宾补 ) 。例如： The boss can make the young man a rich man. The History of Potato Chips Do you know how potato chips were invented? Potato chips ____________ by a cook called George Crum. They were invented in ____. Listen again. Complete the sentences. were invented 1853 1d George Crum cut the potatoes really, really ____ and then cooked them for a long time until they were _____. Finally he put lots of salt on them so they were __________. thin really salty crispy Pair work Make a conversation about the invention of potato chips. Use the information in 1c and 1d. 1e Did you know potato chips were invented by mistake? Wow, I didn’t know that. Who invented them? It’s said that they were invented by a cook called George Crum. When was that? Oh, it was back in 1853. Why was it an accident? One day, a customer ordered a plate of fried potatoes. George cooked them for him. When the potatoes came, he said they were cut too thick and sent them back to the kitchen. So what happened? George was angry, so he cut the potatoes really, really thin, and he cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty. He thought the customer would hate them. And then? And the customer loved them and asked for more. He told the other customers about them, and soon everyone was ordering thinly cut, crispy, salty potato chips. Exercise 1. 顾客最后终于高兴了。 The customer was happy . 2. 这个顾客说这个薯条不够脆。 The customer said that the potato chips weren’t . 3. 乔治想让顾客高兴。 George wanted the customer _______. to make happy in the end crispy enough 4. 薯条是一个名 Crum 的厨师发明的 The potato chips a cook Crum. 5. 昨天这个厨师往鱼上面撒了许多盐。 The lots of salt the fish yesterday. were invented by called cook put on 用所给词的正确形式填空。 1. The TV ____________ (invent) around 1927. 2. They are used for _______ (see) in the park. 3. This kite _________ (make) by Uncle Wang. 4. Tea ______________ (discover) a long time ago. 5. Our classroom _________________ (should clean) every day. should be cleaned seeing was discovered was made was invented 人生五味 人生有百味，五味最常在，酸甜苦辣咸是舌尖上最直接的体验。 为什么觉的生活像五味？ 因为它们和酸甜苦辣咸一样 , 我们都得品偿透彻、感悟清楚。 酸：酸像美丽的人生初恋，还未真正懂 得，就已经觉得甜或苦了。 甜：甜是一种美妙的味道，是一种简单的幸福。 苦：苦是人生中最忧愁的部份，也最能考验人的意志。 辣：就是这样神奇，让你不知不觉上了瘾，先是一种刺激，再来一种满足，最后就是依赖了。 咸：吃咸是种讲究，多则不行，少则也不可，咸淡平衡才是菜品的最高境界。 1. Who invented potato chips? They were invented by a cook called George Crum. 2. When were they invented? In 1853. 1d Listen and answer the questions. 3. What did the custom order at the restaurant? He ordered a plate of fried potatoes. 5. How did George cook the potatoes then? He cut the potatoes really, really thin and cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty. 4. What did the custom think of the potato chips George cooked at first? He thought they were cut too thick. New words crispy /krispi/ adj. 脆的；酥脆的 sour /sauə(r)/ adj. 酸的；有酸味的 by mistake 错误地；无意中 customer /kʌstəmə (r)/ n. 顾客；客户 根据句意及首字母提示完成单词。 1. I don’t like lemons because they are too s . 2. Lucy and Lily are twins. People often m them for each other. 3. For a restaurant, c are the most important. 4. The fish was too s because my mom put too much salt on it. 5. We often put the food into the f to keep it fresh in summer. our istake ustomers ourty ridge 3 复合名词复数的构成 potato chips 是一个复合名词，其中第一个 名词用作定语修饰后一个名词，这样的例 子有很多，又如 : alarm clock, telephone number 等。 知识拓展 复合名词变复数的规则，你一定要牢记啊！ ◎通常只把主体名词变为复数 school boy—school boys( 男生 ) apple tree—apple trees( 苹果树 ) vegetable sandwich—vegetable sandwiches( 蔬菜三明治 ) girl friend—girl friends （女朋友） ◎如果没有主体名词，在最后一个名词上用复数。 good-for-nothing—good-for-nothings （饭桶、无用的人） three-year-old—three-year-olds （三岁的孩子） ◎由 man, woman 和另外一个名词构成的复合名词，两个部分都要用复数。 man teacher—men teachers( 男教师 ) gentleman farmer—gentlemen farmers （乡绅） Section B 2a-2e Unit 6 When was it invented? Do you often do sports? What sports do you usually do? Can you list eight sports played in China? Warm up Do you know them? football National Men Football Team of China basketball table tennisPing-pong 学 . 科 . 网 badminton Tennis Tennis ball swimming Let’s learn some new words together. Canadian /kəneidiən/ a. /n. 加拿大 / 人的 Canada lies in the north of America. Canad ian people are very friendly. divide /divaid/ v. 分开；分散 Please divide these apples into two parts. purpose /pə:(r)pəs/ n. 目的；目标 Your study purpose is to go to the university. Every one of us needs purpose trees in our life. the Olympics /əulimpiks/ 奥林匹克运动会 Players’ highest purpose is to enter the Olympics. hero /hiərəu/ n. 英雄；男主角 Hero by Zhang Yimou is a successful film. Berlin /bə:lin/ 柏林 Berlin is the capital of German. NBA (National Basketball Association) 美国篮球协会 （美国职业篮球联赛） NBA is short of National Basketball Association in the United States. CBA (China Basketball Association) 中国篮球协会（中国职业篮球联赛） CBA is short of China Basketball Association. look up to 钦佩；仰慕 We all look up to Deng Xiaoping. He was so open , brave and create. basket /ba:skit/ n. 篮；筐 These days baskets are more and more beautiful with different shapes. New words Canadian /kəneidiən/ a. /n. 加拿大 / 人的 divide /divaid/ v. 分开；分散 divide ... into 把⋯⋯分开 purpose /pə:(r)pəs/ n. 目的；目标 basket /ba:skit/ n. 篮；筐 the Olympics /əulimpiks/ 奥林匹克运动会 look up to 钦佩；仰慕 hero /hiərəu/ n. 英雄；男主角 Berlin /bə:lin/ 柏林（德国城市） NBA (National Basketball Association) 美国篮球协会 （美国职业篮球联赛） CBA (China Basketball Association) 中国篮球协会（中国职业篮球联赛） New words 2a Do you like basketball? Do you watch basketball games? How much do you know about this sport? Discuss the sport with your partner and share your ideas with the class. Do you like basketball? How much do you know about basketball? basketball court Equipment about basketball basketball metal hoop 金属圈 Backboard 篮板 net wooden floor Paragraph 1: The history of basketball. Paragraph 2: How basketball was i nvented. Paragraph 3: The popularuty of basketball in the world. main idea of each paragraph 2b Read the passage quickly. What is the main idea of each paragraph? MIND-MAPPING Changing the information you read into a mind map may help you remember it more easily. Learning strategy 2c Complete the mind map with the information in the passage. What else can you add to the mind map? Game • Played inside on a hard ______ ______ teams get _______ into other team’s ______ floor two the ball basket Popularity • Played by _________________ people over ______ countries more than 100 million 200 Development • invented by _______________ first game on __________________ became Olympic event in _______ in the year ______ most famous games: _________ popular games in China: __________ James Naismith December 21, 1891 Berlin 1936 NBA CBA 2d Use the mind map to summarize what you and your partner remember about the development of basketball. Use the following questions to help you. Who invented basketball and how is it played? James Naismith. It is played inside on a hard floor. Players on the same team must work together to get the ball in the other team’s basket. And they need to stop the competing team from getting the ball into their own basket. 2. When was the first basketball game in history played? On December 21, 1891. 3. Why were the Berlin Olympics important for basketball? Because it made basketball become an event at the Olympics. 4. What are the professional basketball groups in America and China? NBA and CBA. 5. How popular is basketball? It is over 100 years old and is played by more than 100 million people in over 200 countries. 2e What do you think of famous basketball players? Make a list of good and difficult things about being a famous basketball player. First, he can do things he likes best. Second, he can earn a lot of money every year. Third, he may have many fans, and gets a lot of attention wherever he goes. Another thing, he can travel around the world, and meet many new friends. But there are also some difficult things for him. For example, he must work very hard all the time. He may get hurt in the hard games. Homework Recite the new words in Pages 46-47. Read Section B 2b again and again. Finish the workbook of Section B 2a-2e. Homework( 一 ) ： 根据汉语意思完成句子 1. 刀子是被用来切东西的。 The knives______ _____ _____ cutting things. 2. 昨天他掉进了井里。 He ______ ______the well yesterday. 3. 这里的学生不到 100 人 . The students here is_____ _____100. 4. 很抱歉，我错拿了你的钢笔。 I am sorry that I have taken your pen_______ _______. 5. 直到做完作业我才睡觉。 I______ go to bed______ I finished my homework. are used for for fell into less than by mistake didn’t until Homework( 二 ) ：按要求改写句子 1.Lights were invented by Thomas Edison in 1879.( 改为一般疑问句 ) ______ lights ______ by Thomas Edison in 1879? 2.My parent took goodcare of my old grandma.( 改为被动语态 ) My old grandma_____ _____ _____ _____ ____ by my parent. 3.The workers were made to work for 14 hours a day by the boss. The boss_____ the workers _____ for 14 hours a day . 4.What’s this in English?( 改为同义句 ) 。 _______ do you ______ this in English? 5.The news made me surprised.( 改为同义句 ) I_______ _______ _____ the news. Were invented was taken care of work How say was surprised at good made Unit 9 Period 8 Section B 3a-3c When was it invented? temperature cup New invention Problem: we often get hurt by the hot water in the cup. New invention: a cup that can tell you the temperature of the water. Use: It can show the temperature of the water. Price: $ 50 3a Think of something that you do not like doing. Then think of an invention that could help you. Make notes. Problem: quickly taking notes in class New invention : a special pen What it is used for: Price: 内容提示 Problem: quickly taking notes in class New invention: a special pen What it is used for: Price: Talk about it A: This special pen was invented by Zheng Jie. It has three colors and it is used for learning English. B: How is it special? A: When the red color is turned on, the pen reads out English as it is moved along the line. B: When about the black color? A: When the black color is turned on, the pen finds out the structure of the sentences as it is moved along the line. B: When about the yellow color? A: When the yellow color is turned on, the pen shows the formation and meaning of the word as it is moved along the line. B: Wonderful! Where can I get one? A: I am the shop owner selling this kind of pen. 3b Imagine you are a businessperson. Write a description of your new invention. Try to sell the invention to the class. Your time to write This special pen was invented by Liu Jie. It has three colors and is used for 九年级人教新目标 Unit 9 When was it invented? Self check 重点单词复习 1.project n. 项目，工程； 2. pleasure n. 高兴，愉快； 3. daily adj. 日常的，每日的； 4. mention v. 提到，说到； 5.nearly adv. 几乎，差不多； 6.boil v. 煮沸，烧开； 7.remain v. 保持不变；剩余； 8.national adj. 国家的，民族的； 9. low adj. 低的，矮的； 10.translate v. 翻译； 11.lock v . 锁上； n . 锁； 12.sudden adj . 突然的 13. crispy adj . 脆的；酥脆的； 14. salty adj. 咸的； 15.sour adj. 酸的，有酸味的； 16.customer n. 顾客。 17. Canadian 加拿大的， 18. divide v. 分开，分散； 19. hero n 英雄，男主角； 20. professional adj . 职业的，专业的； 重点短语复习 1. shoes with special heels 特殊后跟的鞋子 2. hot ice-cream scoop 热的冰其淋勺子 3. run on electricity 电动的 4. be used for 被用作 5. the subject for my school project 学校项目的课题 6. our daily lives 我们的日常生活 7. have a point 有点道理 8. by accident 偶然，意外地 9. over the open fire 在火堆上 10. fall into the water 落入水中 11. take place 发生 12. without doubt 毫无疑问 13. at a low price 以一个很低的价格 14. translate the book into different language 把书翻译成不同种的语言 15. all of sudden 突然 16. by mistake 错误地 17. a much-loved and active sport 一个深受喜爱并且积极的运动 18. divide…into 把 … 分开 19. stop sb from doing sth 阻止某人做某事 20. look up to 钦佩，仰慕 21. the professional basketball groups 职业篮球机构 22. use someone else’s idea 借用其他人的想法 重点句型 1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。 2. ---When was the telephone invented? --- 电话是什么时候发明的？ --I think it was invented in 1876. --- 我认为电话是在 1876 年被发明的。 3. ---What are they used for? --- 他们可用来做什么？ ---They are used for changing the style of the shoes --- 他们可用来改变鞋子的样式。 4. ---When was the zipper invented? --- 拉链是什么时候发明的？ ----It was invented in 1893 . -- 它是在 1893 年被发明的。 5. ---Who was it invented by? --- 它是由谁发明的？ ---It was invented by Whitcomb Judson. --- 它是被惠特科姆 . 贾德森发明的。 6. ---When was tea brought to Korea? --- 茶是什么时候被带到韩国的？ ---It was brought to Korea during the 6th and 7th centuries. --- 它是在六至七世纪被带到韩国的。 7. ---What is the hot ice-cream scoop used for? - 这个热的冰其淋勺子是用来做什么的？ ---It’s used for serving really cold ice-cream --- 它是用来提供真正冷的冰其淋。 Do you know the difference? be invented by be invented in be invented to Emphasize on person Emphasize on time or place Emphasize on the usage Can you make sentences with them? 1. Telephone ______________ Alexander Graham Bell, who is an Englishman. 2. various things have ______________ record the history of human being. 3. paper ____ first __________ ancient China, and it is one of the most important inventions in the world. be invented by/in/to was invented by invented in was been invented to Please translate these sentences into English. 1. 这样的话，我们明天就可以完成任务了。 __ ____ ____, we can _______________ our task tomorrow. 2. 茶是在很偶然的情况下发明出来的。 Tea was _________ __ _____________. 3. 我们爬山的时候不小心掉进一个山洞里了。 We _____ ______ a hole when we _____ ________ the mountain. 4. 自从发明了电之后，人类历史进入了新的篇章。 After electricity ____ ________, our history _____ _____ a new stage. In this way finish/ complete invented by mistake fell into were climbing was invented got into clean up the Self check 1 Complete the passage with the correct forms of the words in the box. It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may things which are the same. Opinions are then about who came up with the idea first. Some inventions can also all of a lead to other inventions. So some people whether the inventor came up with the idea himself or herself. invent nearly divided sudden doubted They think that the inventor used someone else’s idea to create his or her invention. That is why books or websites usually more than one inventor when giving information about inventions. mentioned Self check 2 Rewrite these sentences using the passive voice. 1. Someone stole my watch. 2. They used five eggs to make this big cake. My watch was stolen by someone. Five eggs were used (by them) to make this big cake. 3. When did they invent the personal computer? 4. They asked us not to run in the hallway. 5. Someone took the video back to the store. When was the personal computer invented by them? We were asked (by them) not to run in the hallway. The video was taken back to the store (by someone). motorcycle in 1885 toothbrush in 1780 washing machine in 1858 根据汉语及首字母写出单词。 1. When I began to sing ， he laughed and made me very e___________( 尴尬的 ) ． 2. After a long trip to Europe ， 1 felt very e________( 精疲力竭的 ) ． 3. a_______ ： to make known publicly 4. d_______ ： to give an account of in speech or writing embarrassed exhausted announce describe 5. a_________ ： one that is invested with this power ， especially a government or government officials. 6. Last night a friend of mine invited me to a c_______ party ( 化装舞会 ) ． authority costume Self check 3 Find out information about one invention and write sentences below. Invention: When: Who: Purpose: Homework Choose one of the inventions which you think is the most important, and then write a paragraph about it.