Unit 6 When was it invented? SectionA（3a-4c）教案 人教版英语九年级全册

Unit6 SectionA（3a-4c） 教学目标 1. 掌握一般过去时态的被动语态，如下例句： Alexamder Graham Bell invented the telephone in 1876. =The telephone was invented (by Alexamder Graham Bell) in 1876. 2. 通过练习来巩固所学的一般过去时的被动语态的语法知识，达到学以致用的目的。 教学难点 完成学习3a，3b; Part4 pair work.。 a. 复习第二课时所学的知识和词汇： b. 交流:谈谈你知道的一些发明物的情况。 c. exercise: 教学过程 一、Let’s look, think and say. What will you do if you are really thirsty I’d like to drink these drinks(饮料). What’s the most traditional drink in China 3a Read the passage quickly and match each paragraph with its main idea. Read the passage again and answer the questions. 1. When was tea first drunk 2. Who is called "the saint of tea" 3. What is Cha Jing about Read Para. 3 and complete the sentences. 1. Tea was brought to Korea and Japan during _____ 2. In England, tea didn’t appear until around _____. 3. The tea trade from China to Western countries took place in the _____ 3c Complete the sentences with the correct forms of the verbs in the box. invent, drink, bring, produce, trade 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. Summarize Fill in the blanks. Tea _____ (invent) by a Chinese ruler Shen Nong by accident about 5000 years ago. Lu Yu_____(call) the saint of tea. His book Cha Jing describes how tea plants _____(grow) and used to make tea. It also discusses where the finest tea leaves _____ (produce) and what kinds of water _____ (use). Tea _____ (bring) to other countries by tea trade .The Chinese understand tea best. What kinds of tea do you know 1. Green tea 2. Black tea 3. Wu long tea 4. Compressed tea（砖茶） 5. Scented tea （花茶） What are the effects (功效）of tea 1、Make you more beautiful 2、Keep cancer from you 3、Help you lose weight 4、Make your mind clear 4a Rewrite the sentences using the passive voice. 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 4. Our parents advised us not to go out alone. _____ 5. Different writers translated the book into different languages. _____ 4b Complete the sentences with the correct forms of the verbs in the box. eat like invite tell lock ring break bring 1. 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. 4c Decide whether active or passive forms should be used in ... ...