Unit 3 Computers 语言点编稿：张桂琴审稿：目标认知重点词汇signal，spoil, common , solve, anyhow, type, follow, calculate, arise重点短语In a way, go by, as a result, deal with, after all, make up重点句型It will be+时间段+ beforeSo/such.....that..There are/were times whenThere was a time when ...知识讲解重点词汇【高清课堂：词汇精讲B2 unit3】signal【原句回放】For example, I have learned to signal to my teammates in computer language to give me the ball when I am open and have a good shot for a goal.例如，我已经学会使用计算机信号向队友发出信号示意队友把球传给我，当我面前没人防守有机会射一个好球的时候【点拨】signal (v./n./adj.) 信号，暗号。
1.Vt./Vi.She signaled, and the waiter brought the bill.The whistle signaled the end of the match.She signaled to the children to come inside.The bell signaled that school was over.Both sides have signaled their willingness to start negotiations.2.n.When she got up from the table, it was obviously the signal for us to leave.The opinion poll is a clear signal of people's dissatisfaction with the government.This will send the wrong signal to potential investors.The TV channel sends / transmits signals via satellite to cable companies.Small antennas are equipped to receive/pick up radio signals.3.Adj.The university has done me the signal honour of making me an Honorary Fellow.【拓展】signal achievement/success/failureto give a signal 发信号spoil【原句回放】In that way, my niece will not spoil my free time and I can go out with my friends. 用那种方法，我的侄女就不会搅合我的空闲时间，我可以和朋友一块儿出去。
【点拨】spoil (n./v.)溺爱；赃物1.v. spoilt / spoiledThe whole park is spoiled by litter.The new road has completely spoiled the character of the village.The bad news has spoilt my day.Don't spoil your appetite by eating sweets between meals.His mother and sisters spoil him rotten (=spoil him very much) .Everybody enjoys being spoiled from time to time.Some kinds of food soon spoil.2.n.The thieves divided up the spoils.They tried to take more than a fair share of the spoils of victory.【拓展】spoil heaps 煤矸石堆积■common【原句回放】In pairs discuss what they have in common.两人一组讨论一下它们有什么相同之处【点拨】mon adj. 普通的，常见的；共有的，共用的Smith is a common name in England. 英国在Smith是个很普通的名字。
A great interest in music was common to them.. 他们对音乐都有着共同的强烈兴趣。
in common (with) ( 和……)一样have sth. in common (with) ( 与……)有共同之处They are brothers, but they have nothing in common. 他们虽是兄弟，但毫无共同之处。
In common with many people, he prefers classical music to pop music.和许多人一样，他喜欢古典音乐，而不喜欢流行音乐In common with many other girls, Anne likes dancing.和其他女孩儿一样，安妮喜欢跳舞【拓展】have nothing in common with 无共同之处have little in common with 几乎无共同之处have something in common with 有一些共同之处have a lot common with 有许多共同之处【辨析】common, ordinary, usual与general它们均有“普通的，常见的”的意思。
common 侧重于“普遍；常见”，指许多事物或人共同具有而常见的性质。
They can treat most of the common diseases他们可以治疗大部分常见的病ordinary 侧重于表示“平常；平凡；无奇特之处”That morning he came earlier than usual, for it was not an ordinary day.那天早上他起得比平常早，因为那天是一个不寻常的日子。
usual 指从时间和频度上讲通常发生的事情或一种习惯。
Tea is considered to be the usual drink of British people茶被认为是英国人的日常饮料。
general 表示在大多数人或物中流行并受到关注，还有“总体的，概括的”的意思general knowledge 一般知识solve【原句回放】In 1936 my real father, Alan Turing, wrote a book about how I could be made to work as a “universal machine” to solve any difficult mathematical problem.(L11)1936年我的父亲艾伦。
图灵写了一本书，讲述了怎样使我成为一台“通用机器”来解决数学难题。
universal language 世界通用语言【点拨】solve. v. 解决, 解答This problem is too difficult for me to solve. 这个问题太难解决不了He’s good at solving crossword puzzles 他善于解答纵横字谜。
With the help of his friends , he finally solved the problem.在朋友的帮助下，他终于解决了这个问题【拓展】solution n. 解答；解决(办法)a solution to the problem 问题的解决方法anyhow【原句回放】Anyhow, my goal is to provide humans with a life of high quality. (L32) 不管怎样，我的目标是给人类提供高质量的生活。
【点拨】anyhow = anyway不管怎样.Anyhow , it’s worth trying. 不管怎样，这事值得一试。
（句首）It may rain, but we’ll go anyhow.也许会下雨，但我们无论如何都要去。
（句末）I shall go and see him anyway. 不管怎么我都要去看他的。
I’m going to do it anyway.无论如何我都会做这件事儿Anyway I must finish the work today. 不管怎样我必须今天完成这项工作Type【原句回放】They had developed new type of program just before the competition他们恰在比赛前研制了一种新程序。
【点拨】type.1)n.类型This is a new type of machine, with lots of meters on it.这是一种新型的机器, 上面有许多仪表。
2) v.打字你帮我打一下这封信好吗?Will you please type this letter for me?【拓展】type:表示各项事物在本类中都是典型的。
kind:特指在分类中能放在一起的性质相同且相似的一类事物。
follow【原句回放】I followed instructions from cards with holes.我遵照有洞的卡片的要求去做。
【点拨】follow. v.跟随；沿着；听懂；遵循；听从follow one’s instructions 执行(某人的)指令Follow this road, and you'll get there. 沿着这条路走，你就会到那儿。
I'm sorry I don't quite follow you. 对不起，我不太明白你的意思you should follow the rules of the lab when you are doing experiment.你们做实验时，就应该遵守实验室的规则You go first, then I’ll follow you你先走，我随后就到If you follow my advice and study hard, you will pass the exam.如果你听从我的劝告而努力学习，你考试就能及格。