外研版必修一module5单词讲解.ppt

《外研版必修一module5单词讲解.ppt》由会员分享，可在线阅读，更多相关《外研版必修一module5单词讲解.ppt（25页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Module 5 Words liquid c.&u.液体液体 solid 固体固体 gas 气体气体e.g.Water has three states:solid,liquid and gas.liquid&solid adj.2 expand vi.&vt.(使使)膨胀膨胀;扩大扩大;扩展扩展e.g.Air expands when heated.(vi.)e.g.The writer expanded his short novel into a long one.(vt.)expansion n.expansive adj.广大的广大的,辽阔的辽阔的 3 contract vi.&v

2、t.使缩短使缩短,收缩收缩,定合同定合同 n.合同合同,契约契约e.g.Metal contracts as it cools.contract sth.with sb.=contract with sb for sth与与.订立合同订立合同e.g.The two countries contracted a contract with each other.4 substance n c.物质物质e.g.This is a chemical substance.matter “物质物质”的总称的总称,不可数不可数;substance 具体的具体的“物质物质”,可数可数.5 mixture n

3、.混合物混合物;合成品合成品 e.g.That day was a mixture of sun and clouds.那天是晴间多云那天是晴间多云 mix vt.&vi(使使)混合混合;混淆混淆 mixwith 把把跟跟混合在一起混合在一起e.g.Oil wont mix with water.油和水不能油和水不能混合混合 e.g.不要把学习和玩混在一起不要把学习和玩混在一起be mixed up in sth.与与有牵连有牵连e.g.I dont want to be mixed up in the affair.Dont mix study with playing.6.oxygen n

4、.氧气氧气 hydrogen n.氢气氢气 nitrogen n.氮气氮气7 stage n阶段；时期；舞台阶段；时期；舞台 at this stage 在这个阶段在这个阶段 stage by stage 逐步地，逐渐地逐步地，逐渐地8 conclusion n.c结论，决定结论，决定 arrive at/come to/draw/reach a conclusion得出结论得出结论9 reaction n.反应反应;反作用反作用 reaction to sth.对的反应对的反应e.g.What was his reaction to your remarks?react v.反应反应 e.g

5、.How did he react when you called him a fool.react with sth.与与发生发生(化学化学)反反 e.g.metals react with oxygen.10.equipment n.u 装备，设备装备，设备a piece of equipment 一项设备一项设备equip vt.装备装备equip with sth.以以配备配备(主动主动)be equipped with sth.(被动被动)e.g.The destroyer is equipped with a radar.11 partial adj.局部的局部的,部分的部分的 c

6、omplete 完整的完整的 be partial to sth.特别喜欢，偏爱特别喜欢，偏爱e.g.I am very partial to playing Ping-Pong.12 rust vi.&n 生锈；锈生锈；锈e.g.If you leave metal tools outside in the rain,they will rust.e.g.Its a car with a lot of rust.13 ordinary adj.普通的；平常的；平凡的普通的；平常的；平凡的 e.g.He is just an ordinary man.e.g.He is wearing an

7、ordinary uniform.ordinary,common,usual和和normal的区的区别名师别名师:p7714 float vi.漂浮；漂流漂浮；漂流 e.g.Wood floats on water.e.g.A balloon floated away on the wind.15 dissolve vt.&vi.溶解溶解,分解分解,解散解散e.g.Salt dissolves in water.(溶解溶解)e.g.The chemist dissolved water into oxygen and hydrogen.(分解分解)e.g.The teacher dissolv

8、ed their students.(解散解散)melt和和dissolve的区别名师的区别名师:P 7816 balance n./v.天平天平,秤秤;(使使)平衡平衡 e.g.We weigh something in/on the balance.e.g.They broke the balance of power.e.g.He can balance on one foot.keep ones balance 保持平衡保持平衡lose ones balance 失去平衡失去平衡 I lost my balance and I slipped.17 lecture n.c&vi 讲演讲

9、演,讲课讲课e.g.Professor Wang gave a lecture on Chinese literature in the hall.a lecture on sth 关于关于的讲座的讲座 (不用不用about)lecture 指教授等作的教育性或学术性演讲指教授等作的教育性或学术性演讲speech 指政治家等要人作的发言，演说指政治家等要人作的发言，演说attend/have a lecture 听讲演听讲演give a lecture 做讲座做讲座,上讲演课上讲演课18.astonished adj.惊讶的惊讶的 e.g.I am astonished at the asto

10、nishing news.be astonished 从句从句 名师名师:P 79astonish vt.使吃惊使吃惊e.g.The news astonished everybody.at sth.to do sth.that+从句从句19 form v.形成形成,组成组成,构成构成 n.形态形态,形式形式,表格表格 e.g.Steam forms when water boils.e.g.Seven players form the team.e.g.Please fill in this form.e.g.I like any form of exercise.1)air-gas-oxy

11、gen2)contract-expand3)earth-sun-moon4)gas-liquid-solid1 Electricity,iron,some metals and air are natural.2 Steel,some metals and glass are man-made3 Electricity and some metals can be man-made and natural.1,0 0 0,0 0 0,0 0 0 billion million thousand1,000112,000212,000,000one thousandone thousand one

12、 hundred and twelve one hundred and twelve thousand thousand two hundred and twelve million2,000,000 two million5,100,000 five million,one hundred thousand12,269,000 twelve milliontwo hundred and sixty-nine thousand分数表达法分数表达法1 先说分子先说分子,后说分母后说分母;2 分子用基数词分子用基数词,分母用序数词；分母用序数词；3 分子大于分子大于1,分母加分母加 s1/4 a

13、quarter=one quarter1/3 a third =one third4/5 four-fifths3/4 three quarters=three fourths1/2 a half =one half1 quarter c 四分之一；一刻钟；一季度四分之一；一刻钟；一季度2 half c 一半一半 a/one half two halves a/one wolf two wolves adj.adj.一半的一半的a half hour=half an hour a half hour=half an hour 半个小时半个小时;a half mile =half a mile

14、a half mile =half a mile 半里半里eg.Half of the apple _ bad.(be)eg.Half of the apple _ bad.(be)Half of the six apples _ bad.(be)Half of the six apples _ bad.(be)1.What is 1/2 of 6,000,000?3.What is 25%of 200,000,000?6.What is 10%of 800,000,000?3,000,00050,000,00080,000,0001 be wrong with 有毛病，不正常，出故障有毛病，

15、不正常，出故障What is wrong with=What is the matter with 怎么了？出什么事了？怎么了？出什么事了？2 two times ()One time ()表示表示“两次，两倍两次，两倍”一定要用一定要用 twice.“一次，一倍一次，一倍”，一定要用，一定要用once.三次或三倍以上，一般用：基数词三次或三倍以上，一般用：基数词times.3 weigh vt 称重量；考虑称重量；考虑eg.He weighed his words before speaking.他三思而后行他三思而后行Why not weigh the baby to find out how much it weighs?vi.重多少重多少Homework做第三期英语周报的：做第三期英语周报的：单选完型填空改错单选完型填空改错背诵背诵剩余的单词剩余的单词p45p49