高中英语人教版选修8Unit3InventorsandinventionsLanguagepoints教案（系列三）.docVIP

选修八 Unit3 Inventors and inventions Period2 Language points Teaching aims （教学目的） Let students learn the usage of the words and expressions in Warming up and Reading. Teaching emphasis （教学重点） Enable students to grasp the usages of the words and expressions and some long complex sentences. Teaching difficulties （教学难点） Get students to understand some differences of some similar words and phrases . Teaching learning procedures (教学与学习过程) Step1. Preparing lessons self-study and exploring the problems (预习自学，探究问题) Finish the tasks in the first period in time. Step2.Finishing plan asking questions（完成学案，提出问题） Report the answers to the class and the teacher. Listen to the tape of the text and underline the new words in the text; Learn the new words and phrases after the teacher . Ask for help if necessary. Step3.Researching cooperatively answering questions(合作探究, 解决问题) 1.Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.(P20)这回我有机会来表现自己,我要发明某种东西,既可以把蛇捉住,而又不会伤害它们。 【词语拓展】 distinguish right from wrong明辨是非 distinguish good from evil分辨善恶 distinguish sb. in a crowd在人群中认出某人 distinguish oneself by scholarship学问超群 distinguish oneself 使自己与众不同;使自己出名 distinguish...from...=tell...from...辨别,识别;把……和……区别开  be distinguished for 以……而著名 【词语运用】将下列句子译成英语。 (1)不能辨别颜色的人称为色盲。 __________________________________  (2)这人凭着智慧使自己扬名。 ____________________________________  (3)明辨是非当然要紧。 _____________________________________ 【答案】(1)People who cannot distinguish between colours are said to be colourblind. (2)The man distinguished himself by his wisdom. (3)It is certainly important to distinguish between right and wrong. 2.I set about researching the habits of snakes so I could trap them in the easiest way.(P20)于是我就着手研究蛇的习性,以便能用最简易方法来捕蛇。 【词语拓展】 set about(doing)sth.开始做某事 set out to do sth.开始做某事 set out 出发,启程 set off 出发,动身,使爆炸 set aside 留出,对……不予以考虑 set down 记下,写下 set up 设置,造成,产生 【词语运用】选用上述短语完成句