Unit 13 词汇课件2022-2023学年人教版九年级英语全册

这是一份Unit 13 词汇课件2022-2023学年人教版九年级英语全册，共19页。
Unit 13 词汇教学　1、litter /'lɪtə(r)/ v. 乱扔 n. 垃圾；废弃物1）动词 “使凌乱；乱扔” 请勿乱扔垃圾。e.g. No littering! 2）不可数名词 “垃圾；废弃物” rubbish waste drop/throw litter 扔垃圾； clean up the litter 清理垃圾不要到处扔垃圾 e.g.Don’t throw litter everywhere. bottom n. 底部，最下部at the bottom of... 在...的底部反义词 topat the top of... 在...的顶部1 You can enjoy the beautiful scenery at the of the mountain .2.There are many fish at the of the river .topbottom from the bottom of one’s heart 衷心地，发自内心地advantage n. 优点，有利条件 可数名词disadvantage 缺点，不利条件the advantage of ....的优点take advantage of 利用The Internet has not only advantages but also disadvantages. 互联网不仅有优点也有缺点。cost v. 花费 n.花费，价钱the cost of.... ....的费用cost-cost-costpay-paid-paidspend-spent-spenttake-took-takene.g. The book me ten yuan. 这本书花了我十元e.g. I 500 yuan for this dress.e.g. I two hours on this maths problem.e.g. It them three years to build this house.costpaidspenttookwooden /'wʊdn/ adj. 木制的;木头的--wood (n） The chopsticks are .The chopsticks are made of .woodenwood plastic --plastic bags cruel adj.残酷的，残忍的be cruel to sb/sth 对某人/某物残忍她的继母对她很残忍。Her stepmother was cruel to her.harmful (adj)-be harmful to ...-harmless(adj)-harm (n/v)harmfulTeenagers must not be allowed to smoke. It’s　 　  ___  (harm) to their health. harmfuldo harm to 对....有害　　空气污染对我们的健康有害。The air pollution is harmful to our health.= The air pollution does harm to our health.law(从法律)--制定法律 make laws --lawyer(n.律师)science(n.科学)scientific (adj.科学上的;科学的)scientist(n.科学家) So far, no _________ studies have shown that shark fins are good for health. scientific take part in 参加 你要参加英语聚会吗？Will you take part in the English party? 我们应该积极参加课外活动。We should take an active part in after-school activities.take 的其他常用短语：take place 发生 take off 脱下；起飞take care 小心 take action 采取行动take it easy 放松；别紧张 take up 占据；开始从事take an active part in 意为“积极参加”take action to do sth. 采取行动做某事afford v. 承担得起(后果)；买得起afford to do sth. 负担得起做某事afford sth.买得起/承担得起某物afford常与can，could，be able to连用他的父母买不起一所新房子。e.g. His parents can’t afford a new house. =His parents can’t afford to buy a new house.turn off 关掉常指关闭电源、水龙头或煤气等。其反义词组是turn on(打开) turn 相关短语：turn on 打开turn up 调高（音量；温度）turn down 调低（音量；温度）；拒绝turn ...into... 把...变成...当你离开房间的时候，请关灯。Please turn off the lights when you leave the room .use(v./n使用) --reuse (v.再次使用)--reusable(adj可再次使用的)--useful (adj有用的）--useless （adj 无用的）1.put sth. to good use 好好利用某物=make good use of sth. 2.use sth to do sth 用某物做某事 sth be used to do sth 某物被用来做某事=be used for doing sth 我们应该好好利用时间。We should put time to good use .外套是用来保暖的。The coats are used to keep warm .throw away 扔掉; 抛弃throw 的过去式为threw，过去分词为thrownthrow away 为“动词+ 副词”结构的短语, 后接名词时名词可放在throw 与away 之间, 也可放在away 之后; 后接代词宾格时, 宾格要放在throw 与away 之间。与away相关的短语：1. blow away 吹走 2. take away 拿走 3. wash away 冲走 4. run away 逃跑5.give away 赠送 6.put away 收好；放好pull down 拆下, 拆毁, 摧毁 我们学校下周要拆除这座旧楼。Our school will pull down the old building next week.与down有关的短语还有：1. die down 逐渐减弱 2. cut down 砍倒；减少3. let down 使……失望 4. write down 写下5. put down 放下 ；写下 6. turn down 调小；拒绝bring back 恢复; 使想起; 归还那些照片唤起了很多美好的回忆。The photos brought back many pleasant memories. transport(v.运输) --transportation(n.运输业:交通运输)inspire(n.gu舞;激励)inspire(n.gu舞;激励)鼓 --i nspiration n.灵感;鼓舞人心的人(或事物)creativity /,kriːeɪ'tɪvəti// n. 创造力; 独创性create v . 创造creative adj . 创造性的We can live a better life if we a less polluted world. create Bill’s idea is . creativeTHANK YOU