人教版 必修2Unit3Computers 教案.docx

1、人教版 必修2Unit3Computers 教案第九讲 Computers适用学科英语适用年级高三适用区域全国课时时长（分钟）60知识点名词辨析；动词辨析；形容词辨析；副词辨析；动词短语辨析；完成句子；句子翻译教学目标知识： 1.快速复习掌握本单元词汇。2.快速扩词汇量。方法： 1.老师和学生一起翻译短文并从中找出自己不认识的词汇。 2.学生将不认识的词汇整理到笔记本上，并默写出所整理的词汇的汉语意思。 能力： 1.能根据老师所翻译的文章快速记住生词的汉语意思。2.能通过不断上涨的词汇量快速提高阅读能力。教学重点课文中的重点单词、短语及相关句型的掌握和运用。教学难点重点单词、短语的灵活运用。教

2、学过程一、课堂导入 Talk about our colorful life In now society, we can do a lot of things through out the computers, let the students think about the advantages of the computer, then let students know the title of this text “Computers” .二、复习预习1）The important words in this passage:1.swift adj._ 2.basis n . _3

3、.motto n ._ 4. ancient adj ._5.slave n. _ petitor n. _7.hopeless adj._ 8.athlete n._9.pain n. _10.homeland n. _11.deserve v._12.glory n._13.nowadays_ 14.medal _15.replace v._ 16.gymnastics n._17.host n. _18.responsibility n. _19.advertise v._20. poster_21. stadium_22. gymnasium_23. bargain_24. volun

4、teer_25. foolish_26. admit_27. compete_28. fine vt._【答案】1 快的，迅速的 2 基础 3 口号 4 古代的 5 奴隶6 竞争者 7 没有希望的 8 运动员 9 痛苦，疼痛 10 祖国 11 应得 12 光荣，荣耀 13 现在14 奖牌 15 代替16 体操 17 主持人，东道主18 责任 19做广告 20海报 21体育场（露天）22 体育馆 23 讨价还价，便宜货24志愿者 25愚蠢的 26允许，承认 27竞争 28 罚款，澄清三、知识讲解翻译下面由本单元词汇所编成的故事 学生将在翻译过程中不会的词汇用横线标出 （一）The passage

5、 ComputersThe goal of early calculating machines was to simplify difficult sums. But with the help of new technology, electronic chips replaced tubes and a revolution of artificial intelligence has arisen. From then on, the appearance of computers totally changed our lives. They can not only downloa

6、d information from the wet when connected by the network or mobile phone signals, but also solve different types of logical problems. With operators as their coaches, they can even control rockets to explore the moon and instruct androids with the human races characters to mop floors and watch over

7、your naughty niece. Anyhow, computers are so helpful that they do bring happiness.However, computers are easily attacked by viruses. This reality has become a hard-to-deal with-problem. As a result, computers are dangerous in a way. So, personally, I worry about their universal applications in some

8、fields, such as finance. 早期计算机器的目的是简化比较难的计算。但是在新技术的帮助下，电子芯片代替了电子管，一场人工智能革命由此掀起。从那时起，电脑的出现完全改变了我们的生活，它们不仅能在网络或移动电话信号的连接下从网上下载信息，而且可以解决各种类型的逻辑问题。在操作员的教练下，它们甚至还可以控制火箭探索月球，指导具有人类性格的机器人擦洗地板和照顾你调皮的侄女。不管怎么说，电脑都是如此的有用，以致的确给人们带来了快乐。然而，电脑很容易受到病毒的攻击，这一现实已经成为一个难以处理的难题，结果，电脑在某种程度上是很危险的。因此，就个人而言，我很担心电脑在某些领域，例如金融方

9、面的广泛应用。（二）重点知识总结与解析1）The important words in this passage:1.goal_ 2.calculate _3.simplify v._ 4. sums n ._5.technologyn._ 6.tube n. _7.revolution_ 8.arise ._9.appearance _10.totally _11.download_work_13.signal_ 14.solve _15.logical adj._ 16.operator n._17.coach n. _18.rocket n. _19.explore v._20. and

10、riod _21.character _22. naughty_23. niece_24. anyhow_25. happiness_26. virus_27. reality_28. personally_29. finance_【答案】1.目标2.计算3.简化4.运算5.技术6.电子管7.革命8.出现，上升9.出现，表面10.总体上11.下载12.网络13.信号14.解决15.逻辑的16.操作员17.教练18.火箭19.探索20.机器人21.性格22.淘气的23.侄女24.无论如何25.幸福 快乐26.病毒27.现实28.个人而言29.金融2）The important phrases i

11、n this passage:1 simplify difficult sums _ 2 with the help of _3 electronic chips _4. artificial intelligence _5.From then on _ 6.changed our lives _7.universal applications_8.not only.but also _9.download information _10.mobile phone signals _11.solve different types of logical problems _12. explore the moon _13. human races characters _14 mop floors _15 watch over . _ 16 deal with _17.as a result _18. in a way _19. worry about _20 such as _21. universal applications _【答案】