必修4 M2 知识点课件.pptVIP

* * * * 外研新标准 第四册 必修4 M2 Language Points 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. limit vt./n. 限制，界限，限度 Try to limit your report to 10 minutes. Our holidays are limited to two weeks a year. 我们每年的假期限制在两周之内。 There is a limit to one’s life, but no limit to serving the people. 人的生命是有限的，但为人民服务是无限的。 I’m willing to help you within limits. (适当的) I’ll help you without limit. (无限度地) 1. The government has taken measures to limit carbon dioxide emissions from cars. 2. The teacher limited his students to 500 words for their compositions. 3. 人的生命是有限的，但为人民服务是无 限的。 4. 每位同学限获一张免费入场券。 英汉互译 政府采取了措施限制汽车二氧化碳的 排放。 2. 老师把学生的作文限制在五百字以内。 3. There is a limit to one’s life, but no limit to serving the people. 4. Each student is limited to one free ticket. Answers 2. explore vt. 探索，探究，仔细探察 As soon as they arrived in the town they went out to explore. 他们一到城镇就出外查看周围环境。 We explored several solutions to the problem. 我们探讨了几种解决该问题的方法。 exploration n. 探索，考察 make further explorations 进一步探索 space exploration 宇宙空间探索 1. 我们一直喜欢探索古老的城市。 I’ve always loved to explore old cities. 2. 他们发射火箭以探索太空。 They launched rockets to explore space. 汉译英 3. convenient Trains are fast and convenient, but rush hours can be terrible. They may use a credit card for convenient. convenient意为“方便的，便利的”。 sth. be convenient to/for sb. 对某人来说 ……是方便的 It is/was convenient for sb. to do sth. 对 某人来说做某事是方便的(主语不可以 是sb.) 完成句子。 I’m wondering whether _____________ 　_______________________________　　　　　　　　 (今天下午三点钟你方便吗). 2. I’m busy now. _____________________ _________________________ (我不方便接电话) at the moment. 3. Please call my secretary to arrange a meeting t his afternoon, or ___________ ___________________ 　　　　　　　　　 (任何你方便的时候). convenient to you three o’clock this afternoon is convenient for you It is not convenient for me to answer the phone whe