江苏省赣榆县智贤中学高中英语 Unit3 The world online导学案2（无答案）译林牛津版选修7.doc

unit 3 the world onlineperiod 3 reading（2） language points【learning aims】 1) to learn some language points in this text to enlarge the vocabulary 2) to use the language points when doing the exercises.【learning important points】 to analyze some long and complicated sentenceslearning procedures:step 1 words and phrases重点短语1.对有积极影响 2.也就是说 3.需要 4.对怀疑 5. 采取措施做某事 6.建立社会联系 7.被卷入，牵涉进 8.提出这种弊端 9.对某事撒谎 10.上交 11.沉迷于 12.解决问题 13.辍学 14.支持，赞同 15.此外 16.寻找问题的答案 17. 最近的，最新的 step 2 language points1.i am speaking in favor of the internet（l2）vs. i will be speaking against the internet.(l31)in favor of 相当于 “ for” 为“支持”之意，与 后句中against 意义相反2.when people need information, from the news and weather forecasts to travel packages and academic research, the internet is now the first source they turn to. ( l7-9)当人们需求信息时，从天气预报，到包价旅游，到学术研究，因特网现在已经是许多人的首选。1) need v./ n. be in need of 需要the patients of operations.(急需)【拓展】in need 在危难中，需要帮助的 a friend in need is a friend indeed. 2) from to引导的介词短语相当于非限制性定语，对information 的范围作补充说明。常用于列举，说明范围。 the young boy has a variety of hobbies, from classical music to chinese medicine.3) they turn to.是一个_ 从句。turn to 求助于 turn to sb. for help 向某人求助【考题】my mother is always the first one _ i turn for help whenever im in trouble a. who b. whom c. to whom d. to who【拓展】 turn to 1. (使)转向2. (把注意力等)转向3. 翻书到4. 求助于5. (使)变成有关turn的短语： turn against 背叛，与反目 turn around 转身，翻转；扭转turn down 拒绝；调小 turn in交还；上交turn off 拐弯；换道；关；使厌烦 turn on 打开；使感兴趣；取决于turn out 结果（是）；生产出；关，熄灭turn over 翻转；移交 turn up 出现；开大点；被发现in turn=by turns 轮流，依次take turns to do 依次做he turned into a teacher four years later.= he turned teacher four years later. 3.with the touch of a button or the click of a mouse, a student will find abundant information from the largest libraries and museums in the world at his or her command. (l9-12)学生只要敲击一下键盘或是点击一下鼠标， 就可以轻松获得世界上最大的图书馆或博物馆所储存的信息。1)abundant adj.丰富的，充裕的be abundant inbe rich in富有；很丰富。the country is abundant in natural resources. 这个国家的自然资源很丰富。abundance n. in abundance/ an abundance of 2)command n. 控制，管辖，掌控 at ones command可自由支配或使用，听候某人吩咐 i am at your command. v. 命令；指挥；掌握；博得 command sb to do/command + that 从句 he commanded that all the gates be shut. 他命令关闭所有大门(虚拟语气)4.however, some people are skeptical. they claim that surfing the internet is a waste of time.( l14) 然而，有些人是持怀疑态度的。他们认为因特网没有用，使用它是浪费时间。1）skeptical adj.怀疑性的,好怀疑的,口无神论的be skeptical of/about = be of doubts about 对.怀疑我对他们解决这个问题的能力颇为怀疑。i their ability to solve the problem.2) claim vt. 宣称，声称;认领，索赔 claim +n./ to do sth. /that 从句其后that surfing the internet is a waste of time 是that 引导的 从句，that可省略 注意：当一个动词后接两个或以上的宾语从句时，只有第一个that可以省略。e.g. they claim that the internet is useless and that using the internet is a waste of time.这两个that都引导 从句，第一个that可以省略，第二个that不能省略。【考题】after the luggage at the railway station, we left for the exhibition hall in a taxi.(2010)a. claiming b. demanding c. deserving d. obtaining5.they make the assumption that children spend too much time chatting and playing games instead of focusing on their school work.(l14) 他们声称网上冲浪浪费时间。他们想当然地认为，孩子们花费过多的时间聊天或玩游戏，而不是将精力集中在他们的学习上1）句中that childrenschool work是that 引导的 从句，说明 的具体内容2）spend time/money/energy on sth. in doing sth 3)make an assumption =assume 假设，假设4) too much & much too6. another truly wonderful aspect of the internet is the way people use it to build social bonds.(l20)句中the way people use it to build social bonds 是 is的 语，其中people use it to build social bonds 是 从句，修饰先行词 .way 后省略了引导词that 或in which7. the main drawbacks of the internet i will address today are that it has too much information that has not been evaluated for accuracy，and that it is transforming the way people spend their time. (l32)我今天所要谈及的因特网的主要缺点是网上有太多未经核准的信息，以及它正改变人们使用时间的方式。1）句中包含了两个由that 引导的表语从句，用and 连接2) drawback n. 缺点, 不利条件; 障碍everything has its drawback. 凡事皆有不足之处。3) address vt. 对.讲演或发表演说;称呼;提出(警告, 抗议等);请求(跟某人)谈话;写下收信(件)人的姓名/地址;从事于, 一心一意地忙着做(某事);献殷勤, 表达n.演说; 正式讲演;陈述; 请愿;地址, 通讯处;称呼; 收信(件)人的姓名, 住址;谈吐; 应付的态度;灵巧, 熟练; 本领;pl.求爱, 求婚; (求爱时所作的)殷勤he is always paying his addresses to ladies. _ _the president is preparing to address a meeting. nice to meet you, and how shall i address you?_ _if i do something wrong, you may address a warning to me._ _ he addressed himself to the task of doing his homework. _the letter was addressed to the wrong house. _ _8.one great weakness, though, is that it is difficult to judge whether the information is true and accurate. the huge amount of false information on the internet becomes more of a problem every day.(l37-40)但是，它的缺点是人们很难判断这些信息是否真实准确。因特网上的虚假信息已日渐成为一个棘手的问题。1）though 在句中是_(连词/副词)，相当于_(however/although)though 在句首时，是连词。“尽管，虽然”2）amount of.后接不可数名词，但要注意：谓语动词的形式由amount 的形式确定a large amount of money ( be) spent recently.large amounts of wasted water (be) thrown into the lake lately.3) much of a了不起的；非常的 not much of a.不是很好；不怎么样i find this town too much of a backwater. 我觉得这个城镇太闭塞。he is not much of a tennis player. .9 in fact, some young people spend so much time playing computer games that they have become addicted to computer games. (l51)事实上，有点年轻人将大量的时间花在玩电脑游戏上，结果越来越上瘾。1)addict vt.使沉溺; 嗜好使.成瘾, 热中于 n.有瘾的人【拓展】addict oneself to沉溺于, 醉心于 be addicted to嗜好, 热中to the delight of the teachers and parents, he .令老师和家长高兴的是，他不在沉溺于网络游戏。addiction n.沉溺; 热中; 嗜好; 吸毒成瘾 drug addiction step 3 sentence structure1. 【原句回放】without the internet，these people would have fewer avenues to meet people该句式虚拟语气的句子，介词短语without the internet相当于一个条件状语从句if there is no internet.此句是对现在事实的假设，因此主句的谓语形式为 2.【原句回放】these are all negative effects the internet has on our lives, and i feel it is important for us either to limit our use of the internet, or to learn how to handle the problems it has caused. (l60)以上就是因特网对我们生活所造成的一些负面影响，我认为限制使用因特网，或者说处理好因特网所引起的问题还是很重要的。【句子结构】the internet has on our lives 在句中是一个 _ 从句；it 是 (句子成分); either to limit our use of the internet, or to learn how to handle the problems是 _(句子成分)；it has caused 是 从句。句型结构it is +adj.+ for/of sb. + to d