When was it invented知识技能目标掌握本课单词、短语、句型 Who was it invented by? What are they used for?方法情感目标有创新精神重点能听懂含有一般过去时态被动语态的简短对话。能运用一般过去时态被动语态谈论历史上的发明。难点会用固定短语造句教法讲授法学法小组合作，自主探究复习自学环节(先呈现本课的新对话，使学生学习时有的放矢,课堂教学更有针对性）Dialogue 1S1: What is this? S2: This is a hot ice- cream scoop. It runs on electricity.S1: What is it used for? S2: It is used for serving really cold ice cream.S1: Who was it invented by? S2: It was invented by Chelsea Lanmon.Dialogue 2:S1: What are these? S2: They are shoes with lights.S1: What are they used for? S2: They are used for seeing in the dark.S1: Who were they invented by? S2: They were invented by Julie Thompson.二、学习探究环节 （进行听力练习，教师精讲）1. 要求学生翻开课本P42。播放录音一遍，完成2a，2b的听力任务，然后个别检查，统一核对答案。（2分钟）2. 要求学生听第二遍录音，并逐句进行跟读。（2分钟）3. 听力内容巩固训练。要求学生根据所听到的内容完成下列各句。完成后要求若干学生给出自己的答案。以巩固对听力内容的了解。（4分钟）4、听录音填空5、. 大声朗读听力材料。（1分钟）6. 放下听力材料，要求学生模仿听力内容，利用2a，2b的信息分角色练习对话练习。然后邀请2-33. They were all the _(先锋）of the American West. 4. 你应该列一个清单. You should _ _ _.5. 请不要跟我提及她. Please dont _ her _ me.6. Tea is now _ (做贸易）between many different countries. 7. The story _ _ （发生）in the 19th century. 8. It was the coldest winter for many years _ _(毫无疑问）二、选择适当的答案( )1. Michael Jackson was called the king of pop, wasnt he?2 Of course. He by people all over the world. A. was looked up B. was looked up to C. looked up D. looked up to ( )2. Was table tennis invented by the Chinese? No. It in China until the start of the 20th century. A. played B. was played C. didnt play D. wasnt played( )3. Do you know in ancient China? I have no idea. But I know people once used tree leaves to make paper.A. how paper was made B. how was paper made C. what paper was made D. what was paper made( )4. Wow! Its _of you to kill two birds with one stone. A. hard B. easy C. dangerous D. clever （ ）5. -Dont worry.My mother will look after your baby _. -Thanks a lot.A. careful enough B. enough careful C. carefully enough D. enough carefully( )6. Schools _ allow students at least one hour a day for sports.A. would B. might C. should D. could( )7. That woman has a bag in her right hand. Whats in her _ hand?A. another B. other C. one D. The other( )8. This is the best way I could think of _ him _ computer games. A. to stop; playing B. stopping; playing C.对同学当堂演示。看哪一对的表现最佳。（5分钟）三、点拨提升环节（教师精讲语法点，呈现例题）be used for 用来做此短语中的for是介词，表示用途，后接名词或动词-ing形式。【备课例句】An orange is used for medicine. 桔子可以入药。A pen is used for writing. 钢笔用来写字。【横向辐射】be used as & be used by 1.be used as 意为“被用作”，介词as表示“作为”，其后一般接名词，强调使用的工具及手段。English is used as the second language in many countries. 英语在许多国家被当作第二语言使用。This room is used as their office. 这人房间被用作他们的办公室。2.be used by 意为“被使用”，介词by后面接动作的执行者（宾语）。English is used by travelers and business people all over the world. 全世界的旅行者和商人们使用英语。Tractors are used by the farmers. 农民使用拖拉机。四、巩固练习环节（强化训练，学生独立完成，小组互查）一、根据句意填空1. 似乎很有道理. It seems to _ _ _. 2. If you want to learn more, please visit our w_: www. baidu.com. stop; to play D. stopping; to play( )9. Mr Smith has bought a large house _a swimming pool.A. in B. of C. at D. with( )10. Dad, the phone is ringing. I guess either you or Mum _ on the phone.A. is wanted B. are wanted C. wants D. want五、总结反思环节 本节课主要学习了被动语态，大部分学生会用