Unit 3 Computers 重点单词、短语、句子-【宝典训练】2024-2025学年八年级上册英语高效课堂(沪教牛津版（广州深圳沈阳通用）)

英语·单元知识要点 Unit 3 Computers重点单词、短语、句子 【Unit 3知识点归纳】 一、词汇拓展及词性转换。 1.comp are . 比较 -c0 m paris on n.比较-[固定搭配] compare A with B比较A和B 2.type v.打字一[其他含义] n.种类-[固定搭配] different types of不同种类的一 typewriter n.打字机 3.control n. &v.控制一 on trolled过去时及过去分词一[固定搭配] remote control遥控器 4.expensive adj.昂贵的一[反义词] cheap adj. 便宜的 5.tiny adj.极小的一tinier 比较级—the tiniest最高级一[反义词] huge/large adj. 大的 6.depend.依靠一[固定搭配] It depends. 看情况。—dependent adj. 依赖的 7.calculate .计算—calculator n.计算器—calculation n.计算， 计算题—calculating adj. 精明的 8.operate v. 操作 -operatinnn. .手术 9.price n.价格一[固定搭配] What is the price of something?=How much is something?某物的 价格是多少? 10.total n.总额一[固定搭配] in total总共 - -totally adv. 完全地， 彻底地 11.sell .出售一sold过去时及过去分词一seller n.卖家一[反义词] buy n.买一buyer n.买家 12.popular adj.受欢迎的一[固定搭配] be popular with/among sb. 受……欢迎的—popularity n.普及， 流行—population n. 人口， 人口数量 二、词语释义。 1.control=operate . 控制 2.expensive=dear =pricy adj. 昂贵的 3.tiny=very small adj. 极小的 4.calculate =c count v. 计算 5.in addition =besides=whats more phr.此外 6.be unaware of =dont realize phr. 没意识到， 未察觉 7.company=firm n. 公司 8.depend on =relyon phr. 依赖于 9.type = kind n. 种类 三、重点短语。 1.洗衣机washing machine 2.以更快的速度at a faster speed 3.除……以外(还) in addition 4.发生happen to 5.上网 surf the Internet 6.总计； 共计 grand total 7.擅长…be good at... 8.没意识到； 未察觉(be) unaware of 9.有能力做…； 会做…be able to do 10.从事……工作work as 11.依靠 depend on/be dependent on/rely on 12.由……制成be made of/from 13.去医院(看病等) go to the hospital 14.就……提一些建议 give some advice on 5 宝典训练|英语·八年级上册（牛津版） 15.除了…以外except(for) 16.在网上on the Internet 17.停下来去做某事stop to do sth. l8.在过去in the past 19.期待：盼望look forward to 20.在…前面in front of/in the front of 21.对…有害be bad for.… 22.阻止…做某事stop..from doing sth. 23.改变某人的生活change one's life 24.受.…欢迎be popular with/among 四、语法拓展。 1.operate on sb.给某人动手术 2.be popular with..受.…欢迎 3.order sb.to do sth..命令某人去做某事 4.order sb.sth=order sth.for sb.为某人订购某物 五、重点句型。 1.在二十世纪四十年代，第一代计算机比小汽车还大。(in the1940s) In the 1940s,the first computers were bigger than cars. 2.你也许没有注意到他的出现。(be unaware of) Maybe you are unaware of his appearance./You may be unaware of his appearance. 3.我们不能太依赖父母。(depend on) We can't depend on our parents too much. 4.我们能用计算机来做什么？(do with) What can we do with computers? 5.计算机能够用比我们更快的速度计算。(at a faster speed) Computers can calculate at a faster speed than we (do). Computers can calculate at a faster speed than us. 6.也许有一天，计算机做工作能比人类做得更好。(do a better job) Maybe one day computers can do a better job than human beings. 7.如果计算机能做我们所有的工作，我们会怎么样？(happen to) What will happen to us if computers can do all our jobs? 八、课文回顾。 In the 1940s,the first computers were bigger than cars.Now they are becoming smaller and smaller.Computers can calculate at a faster speed and almost never give wrong answers.We can also type and draw things with them.In addition,computers can do a lot of important jobs like operating railways,flying planes and spaceships,but they are not better than people because humans can produce new ideas.However,one day computers may be able to do a better job than human beings.Computers may change our lives,but will they make them better? 6