必修2 Unit3 Computers
I.单元基础知识
一、核心单词
1．________ vi.出现；发生
2．________ v．发信号 n．信号
3．________ adv.无论如何；即使如此(＝anyway) 4．________ adj.电子的 5．________ vt.简化
6．________ n．金融；财经 7．________ v．打字 n．类型 8．________ n．革命
9．________ n．出现；外貌；外观 10．________ vt.解决；解答
11．________ n．目标；目的；(进球)得分 12．________ adj.顽皮的；淘气的 13．________ n．技术；工艺；科技 14．________ n．智力；聪明；智能
15．________ adj.宇宙的；普遍的；通用的 16．________ n．应用；用途；申请
17．________ adj.总的；整个的 n．总数；合计 18．________ v．探索；探测；探究
19．________ adj.私人的；个人的；亲自的 20．________ adj.合逻辑的；合情理的 二、高频短语
1．从……起________ 2．结果________
3．如此……以至于……________ 4．下载信息________ 5．在某种程度上________ 6．实际上；事实上________
7．充分利用________
8．在……的帮助下________ 9．处理；安排；对付________ 10．监视；看守________ 11．有……共同之处________ 12．人类________ 13．技术革命________ 14．下决心做某事________ 15．用这种方法；这样________ 16．编造；化妆；和好________ 17．一大笔钱________ 18．亲自________
19．总共；一共________
20．随着……的出现/兴起________ 三、重点句型（填空）
1．I developed very ________(slow) and it took nearly two hundred years
________ I was built as an analytical machine by Charles Babbage.我发展得很慢，差不多两百年之后，查尔斯·巴比奇才把我制成了一台分析机。 2．________ ________ ________ ________， I was made smaller.随着时间的
推移，我被制造得越来越小。
3．But I was always so lonely ________(stand) there by myself ________ in the
early 1960s they gave me a family ________(connect) by a network.但是我总是十分寂寞，直到20世纪60年代，人们通过互联网为我创造了一个家庭。
4．She programs me ________ all the possible moves she has seen while
________(watch) human games.她把观看人类比赛时所看到的一切可能的动作编入我的程序。
5．After all, ________ ________ ________ ________ my electronic brain
________ never forgets anything, using my intelligence is ________ I'm all about! 毕竟，在我过目不忘的电子脑的帮助下，运用智能就是我的一切！
II. 考点精析及演练
1.sum n. 总数；金额 vi. 概括 vt. 总计；合计 归纳拓展
sum up 总结；概括；总计达(to) in sum 简言之；总而言之 to sum up 总之；概括地说 summary n. 摘要；概要
即时应用 完成句子
①My parents paid ________ ________ ________ ________ ________ for my further study abroad.为了我出国进修学习，父母花了一大笔钱。
②Mr. Brown ________ ________ what he said at the end of the lecture.讲座最后，布朗先生总结了发言。
③________ ________， no pains, no gains.总而言之，不劳无获。
2．goal n. 目标；目的；球门；(进球)得分 归纳拓展
set a goal 设立目标
score / kick a goal 得一分/踢进一球
be behind / lead sb by two goals 落后/领先某人两个球 win by three goals to one 以三比一获胜
reach / achieve / attain / accomplish one's goal 达到/实现某人的目标
3．signal v. & n. 发信号；发暗号；示意；信号；暗号 归纳拓展
signal sb that ... 示意某人…… signal sb to do sth 示意某人做某事 signal to sb 向某人示意
a danger / warning signal 危险/警告信号 traffic signal 交通信号
give / send a signal 发出信号
4．arise vi. 出现；发生；起身；起床 归纳拓展
arise from / out of 由……引起；由……产生
辨析 arise / arouse / rise / raise
词汇 arise arouse rise raise 含义 (arose, arisen) vi. 出现；发生；起因于 (aroused, aroused) vt. 唤醒；唤起 (rose, risen) vi. 升起；起身；增长；上升 (raised, raised) vt. 举起；唤起；提高；饲养；抚养；提出；收集；筹(款) 即时应用
用arise / arouse / rise / raise的适当形式完成小片段
As we all know, the problems between parents and children have ________ from lack of communication. Although the standard of living has been ________， Tom can't get along well with his mother. His mother ________ the moment the sun ________ in the east. She works hard day and night to support the family. As a result, she was badly ill, which ________ Tom eventually.
5.as a result 结果(副词短语，不接任何词，其后常有标点) 归纳拓展
as a result of 由于……结果(介词短语，接名词、代词或 v-ing形式)
result from(接原因)起因于；由……造成 result in(接结果)导致 即时应用 完成句子
①The weather was bad; ________ ________ ________， we had to put off our hiking.
天气不好，结果我们不得不推迟徒步旅行。
②________ ________ ________ ________ these problems, the population fell from 8.2 million in 1841 to 6.6 million in 1851.由于这些问题，人口由1841年的8,200,000减少到 1851年的6,600,000。
③The accident ________ ________ the death of two passengers.这起事故导致两名乘客丧生。
④I think his cancer ________ ________ the overfull tiredness.我认为他是因为过多的劳累而得了癌症。
6．in a way 在某种程度上 归纳拓展
in the way 妨碍
on the way (to) 在途中 by the way 顺便说(问) in no way 绝不
in this way 这样；通过这种方式
即时应用 完成句子
①________ ________ ________ I can see what you mean, even though I don't share your point of view.尽管我和你看法不一样，但在一定程度上我是能明白你的意思的。
②Her social life got ________ ________ ________ of her studies.她的社交活动妨碍了她的学习。
③________ ________ ________ can theory be separated from practice.理论决不能脱离实践。
④The storm is ________ ________ ________.暴风雨即将来临。
7．watch over 看守；监视；照看 归纳拓展
(1)watch for 盼望或等待某事物
watch out 小心＝(be careful＝take care) watch out for(＝look out for)提防 watch oneself 小心谨慎 watch one's figure注意体型 (2)watch one's step当心别摔跤 keep (a) watch on监视
be on the watch for注意；小心；警惕 on / off watch在/不在值班
8．deal with处理；对付；论述；论及 归纳拓展
do with 处理；对付；安排 handle sth 处理某事
辨析 deal with / do with
词语 含义 deal with 表示“处理，对付；关于，论及；与某人或某事相处，打交道”，常与how连用 do with 表示“处理；安排”，常与what连用 9．after all 毕竟；到底(表示让步) 归纳拓展
in all 总共；总计
first of all 首先(强调次序)
above all 最重要的是；尤其是(强调要引起特别注意)
not at all (用于否定句)一点儿也不，完全不；(问句、条件句及肯定句内表示强调)究竟
即时应用 (1)完成句子
________ ________ isn't accumulating memories a way of preserving the past? 归根结底，积累回忆不也是一种保留过去的方式吗？
(2)用in all first /of all above /all not/ at all的适当形式填空 ①We must work, and ________ we must believe in ourselves.
②He is certain to come. ________， he's already accepted the invitation. ③________， let me introduce myself to you.
④There are thirty ________ in the party who will travel to Lanzhou.
III.单元语法
现在完成时的被动语态
1．If you ________ (invite) to their home, remember to bring a small gift.
2．Festivals and celebrations of all kinds have ________(hold) everywhere since ancient times.
3．In Japan，all students have ________(teach) how to prepare for and react to a disaster since a young age.
4．In the past few centuries，the lighthouses along North Carolina's coast ________ (recognize) as signs of safety for travelers at sea.
5．When she returned home，Rose found her computer ________ (remove) and she was very confused.
Ⅳ.话题写作