Unit4 知识点小结2022-2023学年冀教版八年级英语下册

冀教版英语八年级下册Unit 4 知识点小结 1、 单词 名词：技术___________ 键盘_________ 工业_________ key--keys advantage(s)-disadvantage(s) 动词：enter-entrance(n.入口) appear出现-disappear消失 cause 造成 receive(客观收到)--accept(主观接受) hide-hid-hidden隐藏;躲避, sell-sold-sold售卖;销售, steal-stole-stolen偷盗 形容词：modern 现代的， electronic 电子的， simple 简单的;j简明的 兼类词：少的;小的：little-less-least(修饰不可数名词) --few-fewer-fewest (修饰可数名词) 2、 短语 1. by hand手工 , depend on依靠;取决于 grow up生长;长大 come true(梦想)实现 in seconds数秒内 stay /keep in touch(with sb.) (与某人)保持联系 search engine 搜索引擎 chat with sb. 与某人聊天 pass on 传播;传递 thousands of 数以千计的 aside from 除......以外 be harmful to...对......有害 take up 占据;占用 set up a time 约定时间 more than =over 超过 2. use sth. to do sth.=use ...for doing意为“使用某物做某事”。 We use a pen ________.(write) 3. begin to do =begin doing =start to do =start doing 意为“开始做某事” They began _______________ (read) when they sat down. 4. no +单数名词=not a /an, no+ 不可数名词/复述名词=not any She has no sister.=She doesn’t have _____ sister. There is no water in the cup.= There _____ _____ water in the cup. 5. or 用于否定句中代替and。 They ______ sing _____ dance in the park. 表示选择,意为“或者，要么” Will it be sunny ____ cloudy? 表示转折，“否则” Hurry up, ______ you ‘ll be late for class. 位置：主句+从句； 从句，+主句 6. if 如果(引导条件状语从句) 时态：主将从现; 主祈从现; 主情从现 是否(用于宾语从句，从句时态根据语境来定) I ____________ (stay) home if it rains tomorrow. If you are tired ,you can have a rest. (翻译)_______________________ I want to know if he_____________ (go) to the party tomorrow. 7. one of the +最高级+名词复数 “最......的之一” The dog is one of the________________(useful) animals in the world. 8. no matter what/how/where/who/which=whatever/however/wherever/whoever/whichever无论 No matter what you do ,you should do it well. 9. keep on doing =continue to do 继续做某事 He ________________ reading after supper. 10. (某人)spend +时间+(in) +doing 某人花费时间做某事 (某人)spend +金钱+ on +某物 哞唔花费金钱在某物上 It takes /took +某人+ 时间+ to do . 做某事花了某人..