单词和短语必修三M4专题解读考点分布备考指南1.重点单词如strength, concerned, urgent, complain等的识记、理解、固定搭配词汇和短语的理解和记忆不是孤立的，需要结合具体的句子和语境进行准确理解，掌握其基本用法和固定搭配同时要对所学单词和短语进行多方面的应用，及时复习巩固2.词性转化、固定搭配在语法填空、短文改错中的考查3.重点短语如cut down, take in, look though等的理解及应用知识清单M4单词表2 sandstorm n [sndstɔ:m] 沙尘暴 frightening adj [fraitəniŋ] 吓人的；可怕的 inland adj [inlənd] 内地的；内陆的 mass adj [ms] 大量的；大规模的 campaign n [kmpein] 战役；活动 dune n [dju:n] 沙丘 desertification n [,dezətifikeiʃən] （土地的）沙漠化 process n [prəuses] 进程；过程 citizen n [sitizən] 公民；市民 dust n [dʌst] 沙尘；灰尘 forecast vt [fɔ:kɑ:st]预报；预告 strength n [streŋθ] 力量；力气 cycle vi [saikl] 骑自行车 mask n [mɑ:sk] 面罩 atmosphere n [tmə,sfiə] 大气；大气层 carbon n [kɑ:bən] 碳 dioxide n [daiɔksaid] 二氧化物 chemical n [kemikəl] 化学药品 environment n [invaiərənmənt] 环境 garbage n [ɡɑ:bidʒ] 废料；垃圾 melt vi [melt] 融化 pollution n [pə:lju:ʃən] 污染 recycle v [,ri:saikl] 重新利用；再循环 coastal adj [kəustəl] 沿海的 concerned adj [kənsə:nd] 关心的；担心的 evidence n [evidəns] 根据；证明 major adj [meidʒə] 主要的；多数的 urgent adj [ə:dʒənt] 紧急的 pollute vt [pəlut] 污染 complain vi [kəmplein]抱怨；发牢骚 nutshell n [nʌt-ʃel] 坚果壳 scary adj [skεəri] 恐怖的；吓人的 absolutely adv [bsəlju:tli] 绝对地；完全地 protection n [prəutekʃən] 保护 M4短语 cut down 砍倒 be caught in 突然遭遇（风暴等） one after another 一个接一个地 have a bad effect on 对……有坏影响 take in 吸收 give out 放出；发出 in a nutshell 概括地讲 look through 浏览 单元知识预览 项目单词及其词性变化（语法填空必备）重点单词1.mass adj. 大量的；大规模的2.process n. 进程；过程3.forecast vt. 预报；预告4.atmosphere n. 大气；大气层；气氛5.environment n. 环境6.recycle v. 重新利用；再循环7.evidence n. 根据；证明8.absolutely adv. 绝对地；完全地9.frightening adj.吓人的；可怕的→frightened adj.害怕的→frighten vt.使害怕→fright n.害怕；恐惧10.strength n.力量；力气→strengthen vt.加强11.concerned adj.关心的；担心的；有关的→concern n.& vt.关心；担心→concerning prep.关于；就……而言12.major adj.主要的；多数的→majority n.大多数13.urgent adj.紧急的→urge vt.催促；极力主张→urgency n.紧急情况14.pollute vt.污染→pollution n.污染plain vi.抱怨；发牢骚→complaint n.抱怨16.protection n.保护→protect vt.保护重点短语1.cut_down 砍倒；减少，缩减2.be_caught_in 突然遭遇(风暴等)3.one_after_another 一个接一个地4.have_a_bad_effect_on 对……有坏影响5.take_in 吸收；欺骗；理解6.give_out 放出；发出；停止运转7.in_a_nutshell 简言之；概括地讲8.put_..._into_... 把……放进……9.take_away 取走；拿走10.look_through 浏览；翻阅；翻找重点单词短语精讲 1.strength n.力量；力气；长处；优势；强度[教材原句] The Chinese Central Weather Station can forecast a sandstorm some weeks before it arrives in Beijing, but the strength of the storm sometimes surprises people.中国中央气象台能够在沙尘暴到达北京前几周预测到，但是有时沙尘暴的强度还是令人吃惊。
build up ones strength 强身健体with all ones strength 用尽全身的力气strengths and weaknesses 优势和劣势have the strength to do sth. 有力气/意志做某事strengthen vt. 加强；增强；改善[例句研读] ①While DNA test will help strengthen peoples health consciousness, it is more probable that it will lead to overanxiety.尽管DNA测试能帮助增强健康意识，但更有可能造成过度焦虑②Having failed once again, he didnt have the strength to have another try.经历了再一次的失败后，他没有力气再试一次了举一反三(1)单句语法填空①I dont have the strength ____________ (climb) any further.②He pushed against the rock ____________ all his strength.③Not only can students improve their writing ability in this way but also they can ____________ (strength) their selfconfidence.(2)完成句子④参加体育锻炼来增强你的体力。
Take part in the physical exercise and __________________________________.⑤作为教练，他知道自己的队员与对手相比有什么优势和劣势As a coach, he knows what ________________________________ his athletes have against their rivals.2.concerned adj.关心的；担心的；有关的[教材原句] I cant help but feel very concerned.我禁不住感到很担心be concerned with ... 与……有关，涉及be concerned about/for ... 关心/担心……be concerned in ... 被牵扯进……as far as ... be concerned 就……而言/来说concern n.& v. 关心；担心show/express ones concern about/for对……表示关心/担心concerning prep. 关于 [例句研读] ①However, I think we should show more concern for/about our friends.可是，我认为我们应该对朋友表示更多的关心。
②As far as I am concerned, I think that the column concern。