高考英语总复习 Unit 3 Under the sea教学案 新人教版选修7-新人教版高三选修7英语教学案

Unit 3 Under the seaStep 1 课前准备——单元考点 自查自测1.词汇分层级识记过关 2.语境活用填写过关 3.经典句式背诵仿写过关 4.类词巧积累事半功倍 (一)分门别类攻单词——识形辨意·拓展应用(二)写用结合记短语——译写短语·语境活用(三)仿写活用练句式——经典句型·仿写背诵经典原句句式归纳仿写造句1.It was a time when the killer whales, or “killers” as they were then called, helped the whalers catch the baleen whales that were on their annual migration.那个时期，虎鲸(当时被称为“杀手”)帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。It/There is/was a time when...“曾经；一度”。1.那是一个很多年轻人到农村去锻炼的时代。That_was_a_time_when many young people went to the countryside to get some training.2.As we drew closer，I could see a whale being attacked by a pack of about six other killers.随着我们的逼近，我能看见一条鲸鱼正在被其他 6 条虎鲸袭击。see... being done... 现在分词的被动形式作宾补。2.我看到老师正在处罚他，可能他上课又迟到了。I saw_him_being_punished by the teacher. Probably he was late for class again.3.The water was quite shallow but where the reef ended, there was a steep drop to the sandy ocean floor.水很浅，但到了珊瑚礁的尽头，就有一个陡坡，一直下降到where 引导地点状语从句。3.常言道，有志者事竟成。As the saying goes, where_there_is_a_will,_there is a way.满是沙子的海底。Step 2 课堂探究——核心考点 点点突破1.重点难点考点学通练透 2.归纳总结拓展开阔视野 3.方法规律技巧权威点拨 4.面面俱到打创高效课堂第一时段 Warming up & Reading1．witness vt. 当场见到；目击 vi. 为……作证(to) n. 目击者；证人；证据[教材原句] I thought, at the time, that this was just a story but then I witnessed it with my own eyes many times.当时我以为这只不过是一个故事罢了，但是后来我亲眼见过很多次。(1)witness sth./that... 目击……witness to(doing) sth. 证实/证明(做)某事(2)a witness of/to sth. ……的目击者/见证人/证明/证据单句语法填空①The late twen...