9年级9-10单元导学案

课题Unit 9 When was it invented?课时： 1 课型：口语课教学目标-能力目标: 学会用简单对话描述发明重点单词：bulb, microwave, taste, lemon, cookie, abacus, binoculars, century 重点短语：alarm clock, light bulb, microwave oven, all day重点句型：1、What do you think is the most helpful invention?2、I think it would be better to have……3、The abacus was invented in the sixth century by the Chinese.一、自主学习Task 1把与汉语相对的英文解释序号写在题号左侧。

（）1、闹钟a、the most helpful invention （）2、灯泡b、microwave oven（）3、微波炉c、the annoying invention（）4、恼人的发明d、light bulb（）5、最有用的发明e、alarm clockTask 2.将下列句子改为被动语态1.The Chinese invented the abacus in the sixth century.The abacus_______________ in the sixth century by the Chinese.2.The workers built the bridge last year.The bridge__________________ last year.3.红茶是中国人600多年前发明的。

Black tea _______________ in China more than 600 years ago.4.这所学校教授英文。

English _________________ in this school.5.这封信是用法语写的。

The letter ___________________ in French.Task 3.Drill practice1. What do you think of the invention of alarm clock/light bulb/…?And how many inventions are helpful?How many inventions are annoying?Discuss in pairs like this:The alarm clock is a /an ______________________invention.The light bulb is a ______________invention.2.Finish 3a.二、合作探究1.Pair workNow make a conversation like 3b on Page 70.A: What do you think is the most helpful invention?B:I think the most helpful invention is the light bulb.A: Why is that?B: Well, it gives people more time time to work and play every day.2.Group workDiscuss in groups like Part 4.3.DiscussionNow let’s have a discussion in groups about when these things were inven ted and finish Part 2 on Page 73.The abacus was invented in the sixth century by the Chinese.三、精讲释疑1.What do you think is the most helpful invention?你认为什么是最有用的发明？2.…it gives people more time to work and play every day.它给人们每天更多的时间去工作和玩耍。

3.The abacus was invented in the sixth century by the Chinese.算盘是中国人在六世纪时发明的。

四、达标检测完成随堂练习五、课后反思课题：Unit 9 When was it invented?课时： 2 课型：听说课教学目标-能力目标：使学生学会准确描述食品的味道并巩固一般过去时被动语态的语法。

重点单词：crispy, salty, sour, sweet, chef, sprinkle重点短语：by mistake, thin enough, make the customer happy, in the end, sprinkle sth, on sth.重点句型：1.Potato chips were invented by mistake.2.George Crum cooked them for a long time until they were crispy.学习程序一、自主学习Task 1.根据句意和提示完成句子。

1、The lemon tastes __________(酸)，and the ice cream tastes_____ ___(甜)。

2、Potato chips _________________(invent) by mistake.3、The customer said they weren’t ____________(salt) enough.4、He ____________ (撒)lost of salt on the potato chips.Task 2.Describe the pictures from la.1、The potato chips taste___________ .2、The lemon tastes________ .3、The ice cream tastes__________ .4、The tea tastes________ .Task 3.Write the name of a different food after each word.sweet crispy salty sourTask 4.Listen to Section B 2a, finish 2a and 2b.(此题在课堂上完成)Task5.Now let’s listen again and have discussion about the 5 questions below.1.At first ,what did the customer think of the fried potatoes?___________________________________________________________2.Was George very happy?___________________________________________________________3.How did Georage cut the potatoes?___________________________________________________________4.What did he sprinkle on them?___________________________________________________________5.Why did the customer ask for more?___________________________________________________________二、合作探究Pair workUsing the in for motion of 2a and 2b, make a conversation with your partner like this.A: Did you know potato chips were invented by mistake?B: Wow, I didn’t know that. Who invented them?三、语法点拨George Crum cooked them for a long time until they were crispy.乔治克拉姆炸了很长时间薯条直到它们很脆。

导学：until用来引导从句。

在肯定句中，until与延续性动词连用，相当于till,表示“直到...为止”。

在否定句中，until与短暂性动词连用，not…until…，表示“直到…才”。

追踪训练：1.我将一直等到她回来。

I’ll wait for her .2.昨天晚上直到11点我才上床睡觉。

I 11 o’clock last night.四、精讲释疑1.The customer thought the potatoes weren’t thin enough.顾客认为土豆不够薄。

2.George wanted to make the customer happy.乔治想让顾客高兴。

3.The customer was happy in the end.最后顾客很开心。

五、达标检测六、课后反思课题：Unit 9 When was it invented?课时： 4 课型：阅读写作课教学目标-能力目标：学会被动语态的特殊疑问句的用法，复习巩固本单元的主要知识。

重点单词：ancient, legend, emperor, discover, boil, nearby, remain, notice, produce, mixture, pleasant, throw重点短语：in the world, by accident, according to, fall into, in this way重点句型：Some leaves from a nearby bush fell into the water and remained there for some time.学习程序一、自主学习Task 1.根据句意和提示完成句子。

5、Did you know that tea was invented by a _________________?6、This beverage_____________(发现)over three thousand years before that .7、_____________(根据)an ancient Chinese legend, the emperor Shen Nong discovered teawhen he was ___________(boil) drinking water over an open fire.8、The leaves____________(发出)a pleasant smell.Task 2.Read the text in 3a and then answer the questions below.1.What is the article about?___________________________________________________2.When was tea invented?_________________________________________________3.Who was it invented by?___________________________________________________________4.How was it invented?___________________________________________________________Task 3.Read the text again. Put the sentences into Chinese.1.Although tea wasn’t brought to the Western world until 1610, this beverage was discovered over three thousand years before that..___________________________________________________________________________ ___________________________________________2.According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire.___________________________________________________________________________ ___________________________________________3.Some leaves from a nearby bush fell into the water and remained there for some time.___________________________________________________________4.The emperor noticed that the leaves in the water produced a pleasant smell.___________________________________________________________Task 4.Retell the storyLet’s say one sentence one by one to retell the story of Shen Nong , using the following expressions: until, according to, the most popular, boiling water, fall into, produce, pleasant smell.二、合作探究1.Pair workWrite an article using the notes in the box in 3b.Then check each other’sarticle.2.Finish the exercise in Self Check 1 on Page 73.三、精讲释疑1..According to an ancient Chinese legend…据一个古老的中国传说所说...2.Some leaves from a nearby bush fell into the water and remained there for some time.附近灌木丛中的一些树叶落到水中并在那儿滞留了一段时间。