2021届人教版一轮复习学案：必修2Unit3 Computers
展开Unit 3 Computers
(对应学生用书第32页)
单 词 拓 展 | 1.anyhow adv.无论如何 2.arise vi.出现;发生 3.solve vt.解决;解答 solution n.解决(办法) 4.calculate vt.计算 calculation n.计算 calculator n.计算器 5.universal adj.普遍的 universe n.宇宙 6.simplify vt.简化 simple adj.简单的 simply adv.简单地 7.explore vt.&vi.探索;探测 explorer n.探险者 exploration n.探索 8.technology n.工艺;科技 technological adj.科技的 9.intelligence n.智力;聪明 intelligent adj.智能的 intelligently adv.智能地 10.reality n.真实;现实 real adj.真的;现实的 realism n.现实主义 11.electronic adj.电子的 electric adj.用电的 electrical adj.与电有关的 electricity n.电 12.personal adj.个人的 personally adv.就个人而言 personality n.个性;人格 |
续表
单 词 拓 展 | 13.application n.应用;申请 apply vt.应用;申请 applicant n.申请人 14.signal vi.&vt. 发信号 n.信号 15.artificial adj.人造的 16.finance n. 金融;财经 17.character n. 性格;特点 18.appearance n.外貌;出现 |
短 语 记 忆 | 1.as a result 结果 2.in a way 在某种程度上 3.deal with 处理;安排;对付 4.watch over 看守;监视 5.with the help of 在……的帮助下 6.from...on 从……时起 |
句 型 整 理 | 1.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我发育缓慢,差不多到了两百年之后,查尔斯·巴比奇才把我制成了一台分析机。 2.Over time my memory has developed so much that,like an elephant,I never forget anything I have been told! 随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我的任何事情! |
(对应学生用书第32页)
1.solve vt.解决;解答
归纳拓展 | ①solve a problem解决/处理问题 ②solve a puzzle解决难题 ③solution to sth./to doing sth.解决某事的方法 |
高考运用:完成句子
①I have great difficulty (解决) the problem.
②So what’s the (解决方案)?(2019全国Ⅰ,阅读理解D)
答案:①solving ②solution
2.signal vi.&vt.发信号
n.信号
归纳拓展 | ①signal (to) sb.to do sth.示意某人做某事 ②signal (sb.) that 示意(某人)…… ③a danger/warning/traffic signal 危险/警告/交通信号 |
词语辨析:
symbol | 指符号、象征、标志等,常表达某种深邃寓意的事物。 |
signal | 指为某一目的而有意识地发出的信号、暗号或警告等。 |
sign | 表示“记号,符号”时,同symbol。表示“招牌,标志”时,侧重指用图形、文字等所表达的内容,另外还可指“征兆,迹象”。 |
mark | 普通用词,含义广泛。既可指为便于辨认而有意识地做的标记,又可指自然而然形成的标志或有别于其他事物的特征。也可用于指“分数,成绩”。 |
高考运用:完成句子
①Although he received an operation,he showed no (迹象) of improving.
②Hunger is the body’s (信号) that levels of blood sugar are too low.
③White is a (象征) of purity in western cultures.
答案:①sign ②signal ③symbol
3.arise vi.出现;发生
归纳拓展 | ①多以抽象名词作主语,如:argument,problem,quarrel,question,movement等。 ②arise from/out of 由……而引起,由……而产生;从……中产生 |
高考运用:完成句子
①New problems will (出现) one after another in the future.
②Many problems (由……引起) the lack of communication.
答案:①arise ②arise from
词语辨析:
单词 | 词性词义 | 过去式 | 过去分词 | v.-ing |
arise | (vi.)出现,发 生,起因于 | arose | arisen | arising |
arouse | (vt.)唤醒,激起 | aroused | aroused | arousing |
rise | (vi.)升起,起身,增长,上升 | rose | risen | rising |
raise | (vt.)举起,唤起,提高,饲养 | raised | raised | raising |
One of the problems arising from the present economic situation is that the price is rising sharply,of course,partly because some illegal businessmen raise it on purpose,which has aroused some objections.
当前经济形势产生的问题之一是价格迅速上涨,当然,部分原因是一些不法商贩故意提高价格;这种现象已经引起了一片反对之声。
4.anyhow adv.(也作anyway)无论如何;即使如此
归纳拓展 | ①anyhow=anyway无论如何;不管怎样;用任何方式 ②somehow用某种方式;不知怎么地;不知为什么 ③somewhat稍微,有点 |
高考运用:完成句子
①He said he didn’t know much about computers but he’d (不管怎样都帮助我们).
②Don’t worry,we’ll get the money back (用某种方式).
答案:①help us anyhow/anyway ②somehow
5.as a result 结果;因此
归纳拓展 | ①as a result of 作为……的结果,由于 ②without result 毫无结果地;无效地 ③result in=lead to 导致,造成 ④result from 是由……造成的 |
高考运用:语法填空
①Experts say it’s an invaluable social practice that results big benefits.(2019全国Ⅱ,阅读理解D)
②As result,the bad thing has been turned into a good one.
③His failure resulted his carelessness.
答案:①in ②a ③from
6.in a way在某种程度上;从某种意义上来说(=in one way)
归纳拓展 | ①in the way 妨碍;挡路 ②in no way 一点也不;决不 ③on one’s way/the way to 在去……路上;即将到来 ④all the way 一路上;一直;始终 ⑤No way!没门! |
高考运用:用适当的短语填空
①Please take your bike away.It’s and has caused some inconvenience to passers-by.
②He will graduate from Shandong Normal University and is to becoming a teacher.
③ ,global warming is a positive thing.
答案:①in the way ②on his way ③In a way
7.deal with 处理;对付;论述,论及;交易,做买卖
归纳拓展 | ①do with sth.处理某事 ②make a deal 达成协议;做成交易 ③It’s a deal.成交;一言为定。 ④a big deal非常重要的事;重要的人 ⑤It’s not a big deal.没什么大不了的。 |
高考运用:写出下列句中deal with的含义
①Ordinary soap,used correctly,can deal with bacteria effectively.
(2019北京卷)
②It’s a book dealing with life in the United States.
③On the contrary,I found her quite hard to deal with.
答案:①对付 ②涉及 ③打交道
8.watch over看守;监视;照看
归纳拓展 | ①watch out (for) 密切注视;当心;提防 ②keep (a) watch on 监视 ③on/off watch在/不在值班 ④be on the watch for 留神;注意 |
高考运用:完成句子
① (当心)!A car is coming.
②Yesterday I had to (照看) my sick grandmother.
答案:①Watch out ②watch over
