九年级英语全册 unit 6 when was it invented（第2课时）section a（3a4c）教案 （新版）人教新目标版

我带领班子成员及全体职工，积极参加县委、政府和农牧局组织的政治理论学习，同时认真学习业务知识，全面提高了自身素质，增强职工工作积极性，杜绝了纪律松散When was Invented教学目标1.语言知识目标：1) 学习掌握下列词汇：by accident, ruler, boil, remain, smell, saint, national, take place, doubt, without doubt 2）阅读短文，能按要求找到相应的信息。3）通过阅读提高学生们的阅读能力。4) 了解茶叶被发明的历史及生产制作的简要过程。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。重点1) 掌握本部分出现的生词和词组，达到熟练运用的目标。2)通过阅读练习，来提高阅读能力。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。教学用具多媒体课件、录音机教学环节说 明二次备课复习Step1. Revision1. Check the homework.2. Role-play the conversation in 2d.新课导入Step2.Lead-in播放视频茶叶的起源，让学生们了解中国的茶文化，及茶叶被发明的渊源，并了解其发展过程。1. What is the video about?2. Who is the writer of Cha Jing?Ss try to answer thequestions:课 程 讲 授Step3. ReadingWork on 3a:1. Tell Ss to read the article quickly and match each paragraph with its main idea.方法指导：先阅读所给的三句话，然后快速阅读短文，抓住每一段的主题句，找到答案。2. 学生们按老师指导的方法进行阅读，并快速阅读三个段落。3. 最后，教师让部分学生回答答案，并校对答案。Work on 3b:1. 告诉学生们再次阅读短文内容，并回答3b中的所有问题。2. 学生们先阅读这些问题，理解它们的意思，然后带着相关问题仔细回读短文，并在短文的相关信息处划线。3. 让学生们回答问题，并校对答案。Step4.Grammar Focus1. Ask students to read the sentences in .Grammar Focus,and find out all the sentences with “Passive Voice”.2. Explain the important points.3. Read the sentences together.Step5. PracticeWork on 4a:1. Tell Ss to read the sentences in 4a and rewrite the sentences using the passive voice.2. 做题方法点拨示例： 点拨：原句为一般过去时态，原句的谓语动词为sold，宾语为the fridge；改为被动语态时，应将the fridge作主语，谓语动词用was sold的形式。They sold the fridge at a low price. The fridge was sold at a low price. 点拨：分析原句的句子结构可知，stole是谓语动词，my camera是句子的宾语；改为被动语态句时，应将my camera作句子主语，谓语动词用was stolen的形式。Somebody stole my camera from my hotel room.My camera was stolen from my hotel room.学生们自主将其他三个句子变成被动语态。3. 最后，教师与同学们一起校对答案，并对学生们有疑问的地方进行解释，或做出合理的分析点拨。Work on 4b: 1. Complete the sentences with correct forms of the verbs in the box.2. Check the answers with the Ss. Work on 4c: Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.小结作业布置1. Read the passage several times after school.2. Make sentences withthese words:by accident, it is believed that, take place, no doubt, be used for,fall into板书设计Unit 6 When was it invented?Section A (3a-4c) 一般过去时被动语态的结构为“主语+ was /were +及物动词的过去分词 (+by+动作的执行者)” 1. 肯定句：主语 + was/were +及物动词的过去分词 + 其他.2. 否定句：主语 + was/were not +及物动词的过去分词 + 其他.3.