英语人教版九年级全册Unit 6 When was it invented .doc

Unit 6 When was it invented?Section A 3 (Grammar Focus-4c)一、教学目标：1. 语言知识目标：1) 学习掌握下列词汇：fridge, low, somebody, translate, lock, earthquake, sudden, allof a sudden, biscuit, cookie, instrument2）进行一步复习巩固学习Section A 部分所学的生词和词组。3）进一步学习运用一般过去时态的被动语态。4) 掌握主动语态变被动语态的方法，并通过不同方式的练习，来熟练运用。2. 情感态度价值观目标：培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。二、教学重难点1. 教学重点：1) 学习生词fridge, low, somebody, translate, lock, earthquake, sudden, all of a sudden, biscuit, cookie, instrument2) 复习巩固Section A 部分所学的生词和词组，达到熟练运用的目标。2. 教学难点：1) 一般过去时态的句子变为被动语态。2) 综合运用所学的知识进行练习运用。三、教学过程1 Study new words2.Revise Say some inventions Talk about when they were invented and who invented them?Work in pairs3.The history of tea When was tea first drunk?How was tea invented?Who is called “the saint of tea?When was tea brought to other countries? Sum up The car was invented in 1885. The tea was first drunk by Shen Nong. The glasses were invented by Bacon in 13th century.Sentence structure:something + be的过去式+done +( by somebody)+( some time).Grammar Focus 语态变被动语态宾变-，谓 ，主语放在 后。Practice My storyWork on 4a:(把主动语态改为被动语态)1.They sold the fridge at a low price.2.Somebody stole my camera from my bag3.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.Work on 4beat lock like ring invite break tell bring1. You_(invite) to the party last night,werent you?Why didnt you go ?2. The earthquake happened all of a sudden,but luckily the villagers _(bring) to a safe place.3. The door _(lock) when we arrived, so we _ (ring)the bell.4. The students _(tell) not to eat or drink in class,but Ruby _(break) the rule when she started eating a biscuit in science class.5. The cookies _(eat) by the hungry kids in less than 20 minutes ,and they really _(like) them.Work on 4c The history of tea The telephone _(invent) by Alexander Graham Bell. He _(born) in 1847.Mr.Bell _ (work) on the invention of the telephone with Tomas 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 _(say) on the telephone by Mr.Bell was Mr.Watson,come here;I want to see you.Today the telephone _ (use) around the world.The writing MIND MAP!1.Whats the topic of this article? .2.When was the telephone invented 3.Who was the telephone invented by?When was he born? 4.How did he invent the telephone Groupwork : An invention when What Who HowWriting A Great Invention!Ladies and