Unit 4. Sandstorms in Asia一. 重点词汇及拓展 1. mass adj.大量的；大规模的2campaign n战役；活动3process n进程；过程4forecast vt.预报；预告5recycle v重新利用；再循环6evidence n根据；证明7urgent adj.紧急的8chemical n化学药品chemistryn.化学chemist n化学家9environment n环境environmental adj环境的10. scary adj.恐怖的；吓人的scare n&.v.惊吓scared adj.恐惧的11concerned adj.关心的，担心的concern n&.vt.涉及；担忧；关注concerning prep.关于12complain vt.抱怨complaint n埋怨，诉苦 13protection n保护protect v保护protective adj.保护性的14major adj.主要的，多数的majority n多数15absolutely adv.绝对地，完全地absolute adj.绝对的 二. 重点短语 1. cut down砍倒2dig out挖出3be caught in遭遇(坏天气)4take in吸收；理解；欺骗5prevent /stop.(from) doing阻止干 6. give out放出；发出7protect.against.保护不受的侵害8do nothing_ but do sth.只有做 9in a nutshell简言之，概括地讲10complain_about/of埋怨；抱怨 三. 重点句型1.I couldnt agree with you more.我非常同意你的看法。It couldnt be worse.糟糕透了。2if possible.如果可能 四. 语法 1.The different types of infinitive(不定式的不同形式)2Expressions with butinfinitive(but不定式的应用) 一. 重点词汇及拓展1concerned adj.关心的；有牵连的；挂念的，担心的归纳拓展 (1)be concerned about/over/for对关心；挂念be concerned with/in牵涉到，与有关；关于be concerned that.担心as (so) far as.be concerned就来说/而言 (2)concern n担忧；关注的事情vt.涉及，关系到；关心，关注；使担忧concern oneself with/about/in sth.忙于/关心(某事)show/express concern about对表示关心/担心have no concern for.对毫不关心have no concern with.和毫无关系(3)concerning prep.关于 例句：We_ her safety.我们大家都担心着她的安全。Her latest article_youth unemployment.她最近的一篇文章是关于青年人失业问题的。There is no need to _；were dealing with it.你不用管这事了，我们正在处理。I have a letter _ your complaint.我这里有一封关于你投诉的信件。 【链接训练】The meeting was concerned_education reforms and many parents，concerned_the future of their children, were present.Awith；for Bwith；with Cfor；about Dabout；with 2major adj.主要的，较多的，大部分的；主修的vi.主修，专攻(一般与in搭配)n主修课程，专业归纳拓展(1)major in(在大学)主修(2)majority n多数，大多数人或物a/the majority of.的大多数be in the/a majority构成多数，占大多数注意：(1)major形容词，无比较等级，既不能和than连用，也不能与to连用。作定语，反义词为minor。(2)a/the majority作主语时，谓语动词可用单数，此时强调一个整体；若强调其中各个成员时可用复数。 例句：The play was a major success.这部戏大获成功。Now there are a lot of students _.现在有很多学生主修英语。_ was/were in favour of the proposal.多数人赞成这个建议。In the nursing profession，women are _.女性在护理行业占大多数。 【链接训练】_ people interviewed prefer TV to radio.AThe majority BThe majority of CThe most DThe most of 3urgent adj.紧急的；迫切的；非常重要的归纳拓展(1)be in urgent need of 急需an urgent look急切的神情(2)urge v敦促；催促；力劝urge sb. to do /into doing sth.催促(力劝)某人干某事urge sb. on鼓励，激励，为加油urge thatclause呼吁(从句谓语动词用shoulddo的形式，should可以省略)(3)urgency n紧急；迫切 例句：I urge that you should read the report carefully.我劝你仔细看看这份报告。The boys_take part in the competition.男孩子们怂恿他参加比赛。The law is_reform.这项法律亟待修订。 【链接训练】The doctor _ an Xray test，and then，he could make a conclusion.Aurged me to have Burged me having Curged against Durged on me 4strength nU，C力量，实力，力气归纳拓展(1)build up ones strength增强实力in full strength全体出动with all ones strength尽力have the strength to do 有做的力气/意志力on the strength of依靠，信赖；凭借(2)strengthen v加强 例句：He hasnt got _ to lift the box.他没有足够的力气搬起那个箱子。He pushed against the rock _.他用全力推那块石头。At present America is taking some measures to _.目前美国正在采取措施以改善经济。 同类辨析strength，force，energy与power(1)strength常指固有的潜力，着重指人的“力气”，物的“强度”。(2)force主要指“自然界的力量、暴力、势力以及法律、道德或感情的力量、军事力量”等。(3)energy主要指“人的精力、自然界的能量”。(4)power主要指做一件事所依靠的“能力、功能、人或机器等事物的力量、权力”。例句：It may take a few weeks for you to build up your _ again.可能需要几个星期你才能恢复体力。We all should put all our _ into our study.我们都应该把全部精力都投入到学习中。Knowledge is_.知识就是力量。This hurricane made us realize the_ of nature.这次飓风让我们领会到了自然界的力量。 【链接训练】Competition，they believe，_ the national character rather than corrupt it.Aenforces Bconfirms Caccords Dstrengthens To make members of a team perform better，the trainer first of all has to know their _ and weaknesses.Astrengths Bbenefits Ctechniques Dvalues 二. 重点短语1cut down砍倒；削减，缩小(数量、开支或尺寸)；驳倒归纳拓展cut away切下，砍掉cut out切掉，剪下；割掉；删除cut in插嘴cut up切碎；剁碎；使伤心cut off切断；停掉，隔绝cut across/through抄近路穿过 例句：He c_.他先把树砍倒，然后又将其砍碎。If you dont _，I will cut off your supply.如果你不减少你的吸烟量，我将把你的供给停掉。The essays too longit needs _.这篇文章太长，需要缩短一些。 【链接训练】The new coat looks too large on Mary，so her mother had to _.Acut it out Bcut it down Ccut it off Dcut it up 2give out分发；发出(气味、热等)；用完，用尽；发表，公布归纳拓展(1)give out分发，放出give in(交上，呈上)hand out分散