人教版选修7 unit3 Under the sea P3 Language points (共41张PPT)

本课时主要是针对阅读材料中重点词汇、短语和句型的解释，教师可根据学生的预习情况来选择性讲解。为了引导学生自主学习，自行查找相关资料学习新单词，这里只针对部分词汇进行解释。 教师讲解时，建议采用归纳法，如尽可能多的呈现一些相关例句，或让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出词汇的意思和用法。 1. witness (1) vt. 亲眼看到 Did you witness the accident? 你亲眼看到那场事故了吗？ (2) vi. 作证; 证明 witness to sth. / doing sth. He witnessed to having seen the man enter the building. 他作证说他看到那个人进入大楼的。 (3) witness n. 目击者; 证人 She was called as a defense witness. 她被传唤作被告证人。 The accident happened in the midnight, so few people _______ it. appreciated B. witnessed C. monitored D. discovered 单项选择。 根据汉语提示，完成句子。 She _____________________ (目睹 了那次事故) yesterday afternoon. (2) Many drivers are __________ (目 击者) to the Wenzhou Train Disaster. witnessed the accident witnesses 2. accommodation n. 住所；住宿 There's a shortage of cheap accommodation. The government will provide temporary accommodations for up to three thousand homeless people. 政府将为多达三千无家可归的人提供临时住所。 The school is not big enough to provide _