unit 6 when was it invented？（第2课时）学案

Unit 6 When was it invented？（第2课时）【学习目标】1.知识和技能目标：After learning the text, require the students to master the phrases below: (通过学习，掌握下列词语) invent, popular drink, by accident, notuntil, discover, according to, Chinese legend, boil, an open fire, fall (fell) into, remain(ed), notice(d), produce(d), in this way2.过程与方法目标：1.Practice the students listening ability. (听力训练) 2. Ask the students to understand the passage very well and answer some questions according to the passage. (能够正确理解本文含义，回答相关问题。) 3. Useful phrases for the students to retell the new text. (利用关键词语，能够复述课文大意。)3.情感、态度和价值观目标Train the students to use their heads and make some inventions in life.(开动脑筋，培养发明创造能力.)【自主梳理】1. 要求学生翻开课本P43，迅速阅读3a部分的内容。并按要求完成课本上相应的任务:2. 检查答案，先要求全班一起给出答案并检查讨论。work in groups and solve problems together【重点领悟】教学When was the tea invented? It was invented in .【探究提升】I质疑探究：质疑解疑、合作探究教学建议：探究点中pleasant是学生学习难点，请老师要给予适当点播学习建议：分析所给例句，根据提示总结重难点单词、语法、及句型用法探究点一语篇探究 教学建议：教师给学生留出3-5分钟时间，读3a，再根据文章内容，排序。1The emperor tasted the hot mixture2Some leaves in the water from the nearby bus fell into the water and remained there for some time3The leaves in the water produced a pleasant smell4Shen Nong was boiling some water over an open fire 正确顺序：探究点二单词和短语探究1pleasant adj合意的；令人愉快的；讨人喜欢的 (1)The emperor noticed that the leaves in the water produced a pleasant smell这位皇帝注意到水中的叶子发出一种怡人的气味。 (2)It is pleasant for me to see you看到你我真高兴。 (3)The chemistry teacher is pleased with my grades化学老师对我的成绩很满意。思考： (1)pleasant意为_ ，反义词是_ (2)pleased，pleasant与please有什么区别?pleased是_词，意为“_”，在句中常用作表语，常构成短_(对某人)满意。 pleasant也是_词，表示“_-”，形容事物本身的性质，一般用作_语，如主语是物，也可以用作_语。2by accident Did you know that tea，the most popular drink in the world(after water)，was invented by accident? 你知道茶这种世界上最受欢迎的饮料(在水之后)是偶然被发明的吗? 思考：by accident意为： _ ，同义词组是_ 3discover v.发现(出乎意料地)；发觉 (1)Cook discovered Hawaii on a hot day库克在一个大热天发现了夏威夷。 (2)A 4-year-old girl invented a new kind of toy 一个4岁的女孩发明了一种新玩具。(3)Please find out who broke my window请查明谁打破了我的窗户。【学法引领】完成一个任务： ask some students to read the article and answer the questions.Who invented tea?1. What is this article about?Its about how tea was invented. 2. When was it invented?It was invented over 3,000 years ago.3. Who was it invented by?It was invented by the emperor Shen Nong.4. How was it invented?It was invented by accident.说明：通过完成一个任务让学生运用所学内容，既巩固了本课所学的语言目标，又开拓了学生的思维，使学生的思维跳出了课本，培养学生在实际生活中运用本课所学内容，来解决现实生活中的实际问题的能力，真正达到了新课标提出的培养学生综合运用语言的能力。【巩固训练】Find out the following points: 1.although用法简析 虽然 但是；可用though 替换；不与but 同时出现 .用although/though 或bu t填空 eg:Although he is very old, he still works hard. 2.over在本文中的2种解释.over =more than 超过，多于eg: over/more than 100 years 100多年前. 在 （正）上方 eg：a bridge over the river 河上的一座桥3 three thousand years , 前有确切数字，用原形；thousands of数字不确切，词尾加s,与of 连用。 拓展：hundred, million .4.被动语态的使用（找出本文含有被动语态的句子，3个）Tea was invented by accident.Tea wasnt brought to the western world. beverage was discovered over 3000 years. 5.回顾：主动语态变被动语态规则一二三。一断：判断时态 二析：分析是否主谓宾 三变化：宾变主，主变（by的）宾， 谓语变为be+过分 (1)It is used