2017年必修一英语Module5精讲精练资料（外研版）.doc

2017年必修一英语Module5精讲精练资料（外研版） 【词条1】aim 【点拨】aim常作名词,意为”目的,目标”。如: As students, we must be clear about our learning aims. I dont know his aim of going to Beijing at this time of the year. 【拓展】 1.aim作名词常用于以下短语: achieve ones aim”实现某人的目标”。如: She made great efforts in order to achieve her aims. take aim at”向瞄准；把矛头或目标对准”。如: The hunter took aim at the tiger and shot at it. 2. aim还可作动词,意为”目的是,旨在；瞄准,对准等”。常用于以下结构: aim to do / at doing sth.”旨在做某事”。如: They are aiming to reduce the unemployment rate by 50%. These steps aim at preventing crime. aim at sth.”向瞄准”。如: I was aiming at the tree but hit the car by accident.【词条2】balance 【点拨】balance可作名词,意为”天平”。如: My mother bought a pair of balances yesterday. This kind of balance are mostly used in labs. 【拓展】 1. balance作名词,还可意为”平衡,均衡”,常用于balance between A and B。如: You should learn to keep a balance between work and relaxation. 2. 体会下列各句中balance短语的意思: Can you keep your balance standing on one leg? (保持平衡) She lost her balance while performing and had her leg hurt. (失去平衡) Hanging in the air, he is out of balance. (失去平衡) 3. balance也可作动词,意为”保持平衡；相抵,抵消；权衡,比较”。如: How long can you balance on the narrow wood? She tries to balance her home life and work. Before making a decision, we must balance the advantages against its disadvantages. 4. balanced n.”平衡的,均衡的”。如: We must keep a balanced diet to keep fit.【词条3】expand 【点拨】expand为动词,意为”扩大,增加；膨胀”。如: A childs vocabulary expands through reading. Metals expand when they are heated. 【拓展】 1. expand作动词,还可意为”扩张,发展；阐述,详述”。如: We have expanded our business by opening two more stores. I repeated the question and waited for her to expand. 2. expand意为”详述,充分叙述”,常用于expand on / upon sth.。如: Could you expand on that point, please? 3. expandable adj.”可扩张的,可扩充的”；expansion n.”扩张,扩展；膨胀”。如: This is an expandable suitcase.这是个可伸缩的公文包。 Though the economic situation is not so good, the company is confident of its further expansion. 经典短语透视 【短语1】add.to. 【点拨】add . to .意为”往加入”如:Please add his name to this list. Do you have anything to add to his statement? 【拓展】常见的其他add短语还有: add up”把加起来；合计起来”。如: Add up the numbers in this line and then you will get the final result. add up to”总计为”。如: All the students in our school add up to 572. 【短语2】used to 【点拨】used to 意为”过去经常”,其中to为不定式符号,后接动词原形。如: He used to climb the mountain every Sunday. I used to stay up late. 【拓展】1. be used to do, be used to doing, used to do, be used as用法辨析: be used to do 意为”被用来做某事”。如: My literature book is used to be a pillow (枕头)for the little boy. be used to doing意为”习惯做某事”,其中to 是介词。如: He has been used to living in the new school. used to do意为”过去常常做某事”。如: I used to sing loudly in the music class. be used as 意为”当做来用”。如: Papers were used as a table when we were having picnic last week.2. used to do 和would 用法比较: 两者都表示过去的动作,当表示过去习惯性的动作时,两者可互换。如: When we were children we would go skating every winter. 相当于When we were children we used to go skating every winter. 若表示过去持续的状态,或强调过去与现在的对比,通常只用used to, 不用would。如:He is not what he used to be. I dont smoke these days, but I used to. 【短语3】be supposed to 【点拨】be supposed to意为”应该；本该”,其中to是动词不定式符号,不是介词,其后要跟动词原形。如: My sister is supposed to be back from America two days later. What you are supposed to do is studying well and becoming a useful person for society. 【拓展】 1. be supposed to do还可以意为”被期望”,它可以用来表示劝告、议；义务、责任等。如: Everyone is supposed to reach the classroom a little earlier than the bell rings. 2. be supposed to have done意为”本应做某事(但事实上没有做)”,表示一种虚假的情况。如: You are supposed to have handed in your homework by now. 3. be supposed to的否定结构为be not supposed to,它常用于口语中,意为”不被许可；不应当”。如: She was not supposed to be angry about that. 她本不该为那件事而生气。 热点语法聚焦 形容词、副词的比较级和最高级 形容词和副词比较难把握的就是级。本期我们主要学习一下形容词、副词比较级和最高级的构成及一些表示比较的固定结构。一、形容词、副词比较级和最高级的构成 单音节和部分双音节形容词及副词在词尾加-er和-est构成比较级和最高级；多音节形容词和副词在原级前加more和most构成比较级和最高级。例如: 原级 比较级 最高级 bright brighter brightest thin thinner thinnest important more important most important naturally more naturally most naturally hard harder hardest 二、表示比较的结构 1. 比较级+ and + 比较级,意为”越来越”。如:Its becoming warmer and warmer.2. the +比较级,the +比较级,意为”越越”。如:The harder you work,