Unit4 Space exploration词汇句型教案 -2022-2023学年高中英语人教版必修第三册

2019新人教高中英语必修三 Unit4 Space exploration词汇句型教案 Teaching aims: 1.Enable students to master the usage of such important words and expressions as determined,succeed,launch,disappointed,desire,carry on,signal,etc.;learn to express yourself by using them. 2.Help students to learn the method of constructing knowledge trees through self-study & cooperative exploration. 3.Guide students to enjoy the fun of expressing yourself using English and participate in class with passion. Teaching key and difficult points: 1. Help students to learn the following: determined, succeed, launch, disappointed, desire, carry on, signal. 2. Exercises are expected to assist students to express themselves freely in English. 3. How to use the words and phrases in real situations. StepⅠRevision Students are required to retell the text in their own words. StepⅡSelf-directed study T:In this class we will learn the important words and expressions and their usages in this unit. First, it’s self-study time. Please observe the example sentences in the sheet and try to find out the meaning or usage of the underlined words or phrases by referring to the dictionary or reference books. Make a mark where you can’t understand. Then, 15 minutes later,we’ll see who is the best self-learner. Please begin now.(15 minutes) StepⅢ Presentation 1.【教材原句】Looking up at the stars,people have always wanted to learn more about space,and scientists work hard to find answers. 仰望星空,人们一直想更多地了解太空,科学家们也在努力寻找答案。 【句型】Looking up at the stars在句中作 ,与逻辑主语people构成 关系。 【词块】 looking up at the stars work hard 即学活用 It orbits Earth and has astronauts from different countries on board, (provide) a continuous human presence in space. 它绕地球运转,并有来自不同国家的宇航员在上面,保证了太空中持续有人类的存在。 2.【教材原句】However,some scientists were determined to help humans realise their dream to explore space. 然而,一些科学家决意要帮助人类实现探索太空的梦想。 【词块】 be determined to do realise one’s dream 【单词】determined adj.有决心的;意志坚定的 观察思考 Driven by heaven-knows-what motives,he determines to write a book.不