新人教版高中英语必修八《Unit 3 Inventors and inventions》（Reading）精品教案.doc

新人教版高中英语必修八Unit 3 Inventors and inventions（Reading）精品教案课题 Inventors and inventions课型 Reading 课时1周次12目标1. Enable the students to grasp and remember the detailed information of the reading material.2. Let students understand the general idea of the passage.重点难点To understand the passage and grasp important sentence patterns.教学环节与内容Step1 Leading inDo you know some famous inventors and their inventions? Try to make a list of them.Some pictures for the students to get a better understanding of the text.Discussion: Who was Edison? Do you know how many inventions he made? Can you mention some of them? Everybody knows he invented the electric bulb. A lamp cant give light without electricity. Step2Year InventionInventor (s)1902Air conditionWillis Carrie 1903Gas-motored and manned planeWright brothers1910The first talking filmThomas Edison1923Television Logie Baird1928Penicillin Alexander Fleming 1937photocopierChester F Carlson1940Color television Peter Goldmark1942Electronic digital computerAmerican scientists Step 3 Detailed reading1. Work out rules that will help you decide what is discovery and what is an invention?(1) A discovery is A discovery merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia. (2) An invention is something that created by human being, such as the lighting rod. 2. DiscoveriesInventions      3. Now in pairs discuss any modern inventions you know. Describe them to your partner and how useful they are in life today.Read and answer the questions.1. Whats the main idea of the text?2. Whats the writing purpose of the writer?3. The stages in making an invention.ParaStages in the inventing processExample in this story1  2  3  4,5,6  7  Step 4 1.Divide the passage into several parts and find out the main idea for each paragraph.Part 1(para.1)Part 2(para.2-3)Part 3(para.4-6)Part 4(para.7-8)2. Explanation of some important sentence patterns. 1. (Line 6) Here was a chance for me to distinguish myself by inventing something merciful that would cach snakes but not harm them.本句主干是_;从语序上看是_. by inventing something merciful是_, 后跟that would cach snakes but not harm them.做something merciful的_. 2. (Line 11)The first thing I did was to see if there were any products that might help me, but there only seemed to be powders designed to kill snakes. 本句的主干是_._ 做了The first thing 的定语从句，省略了引导词_.but 后用了there be 句型_; designed to kill snakes是过去分词短语做后置定语来修饰_. 3. (Line 52) Nor will you receive a patent until a search has been made to find out that your product really is diferent from everybody elses. 该句由nor放在句首引起的句子部分倒装， 然后是until引导的时间状语从句，然后是find out后面由that引导的宾语从句。Step 5 Homework。师生活动Prepare the new words.Brainstorming: To encourage Ss to have a free discussion.Check the answers together.Encourage the Ss to answer freely. Let ss know the ss how to read the passage.Ss translate the sentence and say the sentence pattern. 师生活动To get ss to finish the exx. And then give some necessary explanation, especially try to make fuul use of Ss groups.