高中英语 Unit 3　Computers（练案+学案） 新人教版必修2

用心用心 爱心爱心 专心专心1 必修必修 2 2 UnitUnit 3 3 ComputersComputers 课前 10 分钟 概括大意 There are large sudden pollution increases during rush hours Pollution levels fall during nighttime The time of year also makes a big difference Pollution levels tend to be at their lowest during spring and autumn when winds are freshest Extreme cold or hot weather has a trapping effect and tends to cause a buildup of pollutants 此段落大意是 When pollution levels rise and fall 漫画欣赏 画面描述 A young man is running toward the end of a race sweating all over The end line leaves a deep impression on us for it is both finish line and starting line if we look at it from a different angle 寓意理解 Achievement calls for celebration But life is just like an endless race An ambitious person will well realize that his success is the starting point for a new race 你能否对此加以扩展 写一篇 120 词左右的小短文 用心用心 爱心爱心 专心专心2 词义辨析 1 The development of the information B is making the world become smaller A operator B technology C signal D intelligence 2 As we all know the industrial A took place in England first A revolution B dynasty C gymnastics D character 3 Jack equals his brother in strength but not in D He is slower in thinking A rocket B appearance C tube D intelligence 课堂双基回归 用心用心 爱心爱心 专心专心3 4 Marilyn s dream of being a film star became a B which delighted her parents very much A signal B reality C glory D goal 5 He chose Italy but A I d prefer to go to Spain A personally B logically C swiftly D regularly 6 Add these numbers together with a calculator and then give me the C A host B coach C total D finance 7 You have got to fill in this B form before we arrange for a job interview A reality B application C reception D expression 8 Practising Chinese kung fu can not only build up one s strength but also develop one s B A finance B character C altitude D principle 9 As we sped down the highway the lights of the city C before us A explored B solved 用心用心 爱心爱心 专心专心4 C arose D charged 10 We should not judge a person by his D and the clothes he wears A stage B quality C pace D appearance 短语填空 as a result in a way deal with watch over work as go by as well as get together make up after all 1 In a way elementary schooling is more important than secondary schooling 2 She made up some excuse about her daughter being sick 3 They use specially trained dogs to watch over their sheep at night 4 As far as I m concerned things will get easier as time goes by 5 I think we should work out a plan to deal with this situation 6 Christmas is a special holiday when the whole family are supposed to get together 用心用心 爱心爱心 专心专心5 7 I hear you re looking for a student to work as a volunteer aren t you 8 Don t blame him for breaking that vase after all he is a child 9 There is a dramatic drop in sales As a result profits have greatly declined 10 As grownups they should learn to take responsibilities as well as share rights in life 完成句子 1 And my memory became so large that I couldn t believe it 如此之大 连我自己都不能相信 so 2 Personally I think the team who won first place 获得第一名的 cheated win 3 She programs me with all the possible moves she has seen while watching human games 在观看人类比赛时 while 用心用心 爱心爱心 专心专心6 模仿造句 1 I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage 翻译 三个月后他才病愈恢复健康 It took three months before he recovered from his illness 2 By the 1940s I had grown as large as a room and I wonder if I would grow any larger 翻译 到 2003 年 那家公司已经发展成为一个跨国公司 By 2003 that company had developed into a multinational company 3 As time went by I was made smaller 翻译 随着时间的推移 她越来越想家了 As time went by she became more homesick 4 I have also been put into robots and used to make mobile phones as well as help with medical operations 翻译 你不可能叫她既照顾孩子又做家务 You cannot expect her to do the housework as well as look after the children 5 In this way I can make up new moves using my artificial intelligence 用心用心 爱心爱心 专心专心7 翻译 我们通常用手机保持联系 We usually keep in touch using mobile phones 核心词汇梳理 1 anyhow adv 无论如何 不管怎样 反正 随便 I ve tried but I can t open it anyhow 我已经试过了 但无论如何也打不开 What a terrible experience Anyhow you re safe that s the main thing 多么可怕的经历 但是你现在平安无事 这比什么都好 It was raining but I didn t want to go out anyhow 天正下着雨 不过我本来就不想出去 He leaves his books about anyhow 他把书随便到处丢 知识要点整合 2 total adj 完全的 总的 vt 总计 n 合计 I m afraid that the performance was not a total success 在我看来 这次演出恐怕不能算是完全成功 We have debts totaling 5 000 dollars 我们的债务总计为五千美元 If you add 30 to 45 the total is 75 30 加 45 是 75 识记 in total 总共 总计 total up 把 相加起来 total up to 合计是 总计是 用心用心 爱心爱心 专心专心8 There were probably about 40 people there in total 那里总共可能有 40 人 At the end of the game total up everyone s score to see who has won 在比赛结束时 把每个人的总分加起来 看看是谁赢了 3 goal n 目标 球门 得分 搭配 achieve one s goal 实现目标 set a goal 设定目标 score a goal 进一个球 得一分 We ve achieved our goal of building a shelter for the homeless 我们已经实现了为无家可归者建庇护所的目标 You d better set a goal before you start the drill 练习开始 前 你最好设定一个目标 Baggio scored the first goal for Italy 巴乔为意大利队进了头 一个球 4 signal n 信号 vt 发信号 搭配 send give a signal 发信号 receive pick up a signal 接收信号 句型 signal to sb to do sth 示意某人做某事 She was signaling to the children to stay outside 她在向孩子们打手势 要他们留在外面 The police signaled the traffic to move forward slowly 警察向来往车辆打信号 示意缓慢前行 重点短语例释 1 go by 走过 某地 时间 过去 流逝 机会等 失去 被轻易放过 A car went by at full speed 一辆汽车以全速驶过 Several years went by before they met again 用心用心 爱心爱心 专心专心9 他们过了好几年后才再度见面 Don t let this chance go by 不要错失这次机会 2 deal with 与 相处 对待 对付 处理 论述 I found her quite hard to deal with 我发现她很难相处 How do you deal with a drunken husband 你怎样对待喝醉酒的丈夫 There are too many difficulties for us to deal with 有太多的难题要我们去处理 Tom s new book deals with the troubles in Ireland 汤姆的新书论述了爱尔兰的烦恼 提示 deal with 常与 how 连用 而 do with 则常与 what 连用 I don t know how to deal with the situation 我不知道如何处理这种情况 I don t know what to do with the situation 我不知道如何处理这种情况 链接 deal in 经营 货物 商品 做 买卖 3 in a way 有几分 在某种程度上 就某种意义上来说 In a way I like Betty but I wouldn t really trust her 我有几分喜欢贝蒂 但我不会真正信任她 In a way I agree with what you said at the meeting 就某种意义上来说 我同意你在会议上的发言 4 watch over 看管 监视 They took turns to watch over the children 他们轮流看管这些孩子 They were watched over by three policemen 他们被三个警察监视着 5 get together 聚会 聚集 He got together with some friends to plan a party for her 用心用心 爱心爱心 专心专心10 他和几个朋友聚在一起计划为她举办一个聚会 We got together at the church 我们聚集在教堂里 链接 come together 和好 集合 go together 一起去 相配 相称 put together 装配 组合 拼凑 综合 疑难语句细解 1 As time went by I was made smaller 随着时间的推移 我被弄得越来越小 要点指南 as 作连词时 有 随着 之意 后面接从句 表示事 物的发展变化状况 As time went on Einstein s theory proved to be correct 随着时间的流逝 爱因斯坦的