Unit 3 Developing Ideas学案 2020-2021学年高中英语外研版（2019）必修第三册

Unit 3 The world of science Developing ideas 【学习目标】 1. Understand the main idea of the passage and get some detailed information. 2. Get the features of argumentation and find out the structure of the passage. 3. Have the ability of writing a report of the experiment according to the instructions for the experiment given. 预习案 【学习过程】 Step 1: 自主学习 To get some information about Benjamin Franklin on the Internet 探究案 【合作探究】 Step 1 Warming up (6 minutes) Home work checking Fill in the blanks with the given words in the proper form. 1.The bridge ___________(build) last year.   2.Great changes ____________(take) place in my hometown. 3.So far, many villages _______________(visit). 4.The party ___ _____ _______(plan) since the New Year. 5.With the help of high technology, more and more new substances ________________(find) in the past few years. 6．Paper money _______ (use) for over a thousand years. 7．Great changes have taken place in my hometown and a lot of factories _____________(set) up