Unit 3 The world of Science Using Language 导学案-2023-2024学年高中英语外研版（2019）必修第三册

Unit 3 The world of science Using language(Grammar) Present perfect passive(现在完成时的被动语态） Learning objectives(教学目标): At the end of the class, you’ll be able to: 1. Learn to identify Present perfect passive. 2. Understand the basic knowledge about Present perfect passive . 3. Write sentences using the Present perfect passive. 课前预习案 Ⅰ.Words and expressions Learning guidance(导学案) It’s never too late to learn.(活到老，学到老） 1 学科网（北京）股份有限公司 1.beyond 2.within 3.affect 4significant 5.appropriate 6.physicist 7.mathematician 8.chemist 9.astronomer 10.geographer 11.biologist 12.accurate 13.for instance 14.be named after 15.origin 16.along with 17.extraordinary 18.be regarded as 19.brilliant 20.mental 21.the number of 22.cure 课中探究案 Activity1.Lead-in 1.Fill in the blanks according to the interview. Richard’s new book The New Age of Invention (publish). Nowadays, important advances (make) in medicine and environmental science thanks to increasing computer power. New inventions like 3D printers (use) to make replacement hearts and bone parts. As for the time machine, Richard thinks nothing like this _______________(invent) yet . . 2.What is the tense made up of?(由...组成） Present perfect（现在完成时） have/has done Passive voice（被动语态） be done Present perfect passive（现在完成时的被动语态） have/has been done Activity2.Discovering the rules Compare the following two groups of sentences and answer the questions.(Page38.1) Question1.What is the difference between the two groups of sentences? Question2. Why does the author choose to use the passive form instead of the active form in the read