Unit 2 Book 1 Language Points |
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重点词语用法 1.Once [w)ns] 1)adv. (1)one time一次 ①He has only been to Shanghai once. 他只到过一次上海。 ②I remember that I went there once or twice before. 我记得我以前到那儿去过一、二次。 (2)at sometime in the past从前;曾经 ①This is the house in which Lu Xun once lived. 这是鲁迅曾经居住过的房子。 ②He was once a college student, now he is a doctor. 他曾经是位大学生,现在是医生。 2)conj. as soon as一旦……就…… ①Once you show any fear, he will attack you. 只要你显出害怕的样子,他就会向你进攻。 ②Once you put your heart into your study, you will make great progress. 你一旦用心学习,你就会取得巨大进步。 2.follow['f&l+u] vt. 跟随;听得清;接受(作为指导或榜样) ①Follow me, please. 请跟我学。 ②English will be followed by mathematics. 英语课后,将上数学课。 ③The teacher spoke so fast that I couldn't follow her. 老师讲得那么快,以至于我没听懂。 ④ I didn't quite follow you, could you say it again? 我没有十分听懂,你能再讲一遍吗? ⑤This is a good piece of advice for us to follow. 这是一条我们应该接受的好建议。 【注意】 following为形容词,意为“接着的”。例如: ①In the following days he often came to see us. 在随后的日子里,他经常来看我们。 ②He didn't get up until the following week. 他一直到第二个星期才起床。 3.从属连词unless的用法 unless用作从属连词,引导一个条件状语从句,相当于if…not,常译为“如果……不……”“非……不可”“除非” unless是具有否定意义的连接词,因此当使用unless引导从句时其谓语形式一般是用肯定形式。使用unless引导条件状语从句时,要注意以下几点: 1)unless相当于 if…not,两者常可交替使用。例如: ①Unless the rain stops,I shall not go out for a walk.(=If the rain doesn't stop, I shall not go out for a walk.) 倘若雨不停,我就不出去散步了。 2)如 if…not引导非真实条件句时,一般不可改为 unless。例如: ①If he weren't so silly, he would understand. 如果他不傻的话,他会明白(事实上他很傻)。 3)如果unless引导的从句本身是否定形式,unless就不能由if…not所替代。例如: ①You'll do well in the English examination unless you don't do your homework. 这次英语考试你会考得好的,除非你平时不做作业。 4.allow/permit/promise的用法及区别 1)allow为一般用语,侧重于“默许”,正式的许可需用permit,侧重正面的“允许”,语气比allow强。例如: Smoking is not allowed here. 此处不许抽烟。 Smoking is not permitted here. 此处禁止抽烟。 【注意】 (1)permit和allow两者可以互换,前者较为正式。如: ①Permit(Allow)me to congratulate you on your success. (2)permit后若是动词作宾语,这一动词要用动词-ing形式(动名词),而不用不定式。如: ①The guard didn't permit entering the camp. 卫兵不允许进入营地。 2)promise可用作动词。意为“允诺”,“答应”,和permit, allow意思不一样。 试比较: ①His mother allowed him to join the army. 他母亲允许他参军。(主语允许宾语“他”去参军) ②His mother promised him to join the army. 他母亲向他允诺去参军。(主语向宾语允诺“她”去参军) 【注意】promise也可用作名词。如:make a promise许诺;keep(carry out) a promise遵守(履行)诺言;break a promise不守诺言。 5.介词with的两种用法 1)with表示“具有”,“带有”。例如: ①China is a country with a long history. 中国是一个历史悠久的国家。 ②She is a girl with black eyes. 她是一位长着黑眼睛的女孩。 2)with表示“用”。例如: ①Men work with their hands. 人用手劳动。 ②Our teacher told us to make sentences with these phrases. 我们老师叫我们用这些词组造句。 6.glass[gla:s]n. 作为不可数名词,意思是“玻璃”。作为可数名词,意思是“玻璃杯”,“镜子”。作“眼镜”讲时,用复数。如: ①These bottles are made of glass. 这些瓶子是用玻璃做的。 ②There are four glasses on the table. 桌子上有四个玻璃杯。 ③Sometimes our teacher of English wears(a pair of)glasses. 有时我们英语老师戴(一副)眼镜。 7.as和like的用法 as与like都作连词,后接方式状语从句,意思也一样,都作“如像”,“同……一样”解。例如: ①Nobody loves you like I do, baby. 孩子,谁也没有像我这样疼你。 一般说,如果要说明人与人,物与物,动作与动作,状态与状态之间有相似之处,可用以用as,也可以用like。但as是连词,后跟从句;而like是介词,后跟名词或代词。例如: ②Jane is a fine dancer, as her sister is. 简是一名出色的舞蹈家,和她姐姐一样。 ③Jane isn't much like her sister. 简不太像她姐姐。 【注意】as也可作介词,后跟名词,构成介词短语,其作用同like的介词短语一样,意思也相近,但又有区别,as有“作为”的意思,like作“如,像”解。例如: ①Let me speak to you as a teacher. 我是教师,并以此身份来跟你谈话。 ②Let me speak to you like your father. 我并非是你的父亲,但以父亲的口吻同你谈话。 8.enough[i'n)f]的基本用法 enough可以用作形容词(adj.),副词(adv.)和代词(pron.)。 1)enough用作副词,充当形容词或副词修饰语,但必须后置。例如: ①He walks slowly enough. 他走得够慢得了。 ②This article is difficult enough to write. 这篇文章够难写得了。 2)enough用作代词,既可代表可数名词,也可代表不可数名词。例如: ②At the end of six months he had learned enough to read articles and reports in Russian. 六个月底,他已经学得足以用俄语读文章和报告了。 3)enough用作形容词作定语时,可修饰可数名词或不可数名词,可放在被修饰的名词前或后。例如: ①There are enough seats(seats enough)for them all. 有足够的座位让他们都坐下。 ②I have enough time(time enough)to finish the work. 我有足够的时间来完成这项工作。 9.show [M+u] 作“解释,示范”解(to explain or make clear to sb. by words or especially actions),后跟“how +不定式短语”结构,作直接宾语。例如: ①The teacher showed the students how to make the mixture. 教师教学生如何配制这种混合物。 ②The farmer showed us how to sow the seeds. 那位农民教我们如何播种。 【注意】show还可以表示“出示”(to offer for seeing),“显露”(to appear),“带领”(to go with and guide)。 ①He showed his ticket. 他出示他的车票。 ②His happiness is showed in his smile. 他的喜悦心情显露在他的微笑里。 ③Mr Zhu is showing the students the chemistry lab. 朱先生带领学生参观化学实验室。 10.lend和borrow的区别 lend是“借出”,表示把东西借给某人,而borrow是借入,表示“从某人那里借东西”。lend后跟两个宾语,或者用介词短语 to sb.; borrow后跟 一个宾语,或者用介词 from sb.。例如: ①I lent Jack my new car. / I lent my new car to Jack. 我把新汽车借给杰克了。 ②I borrowed a new car(from Jack). 我从杰克那里借了一部新汽车。 重要词组短语 1.first of all为常用短语,意为“首先”。例如: 首先,我清楚地知道我学英语的目的。 ②First of all, we must pay more attention to our handwriting. 首先,我们必须更加注意我们的书法。 2.“not…without…”是一种双重否定,双重否定的含义表示肯定概念。意为“只有……才”,“没有……就不……”。例如: ①Don't begin without asking for advice. 征求意见以后再着手。(未征询意见前不要开始。) ②He can't speak English without making mistakes. 他一说英语就出错。 ③Fish can't live without water. 鱼儿离不开水。 ④We couldn't get much progress in our studies without your help. 没有你的帮助,我们就不会取得学习上这么大的进步。 3.fill…with… 意为“用……装满(注满,填满)……”。例如: ①Please fill the bank with petrol. 请给油箱加满油。 ②They have filled a hole with sand and mud. 他们用泥沙把一个洞填满了。 full为形容词,be full of… 装满……。例如: ③The glass is full of water. 玻璃杯装满了水。 4.instead of意为“代替;而不是”,相当于in place of,其后可接动词-ing形式,代词,介词短语等。例如: ①The old woman went to the park on Sunday instead of staying at home. 这老太太星期天去公园,而不是呆在家里。 ②He went there on foot instead of by bus. 他步行去那里,而不是乘公共汽车去。 ③You should be out instead of in on this fine day. 在这样好天气里,你应该出去,而不应呆在屋子里。 ④That has increased instead of decreased our courage. 那使我们的勇气大增而不是减退。 【注意】instead 与 instead of不同。instead为副词,一般放在句末,否定上文提到的事物,而instead of则为介词,一般放在句首或句中,否定of后面的宾语。例如: ①Last summer I went to Qingdao. This summer I'm going to Weihai instead. 去年夏天我去了青岛,今年夏天我去威海。 (其意思等于:Instead of going to Qingdao, I'm going to Weihai this summer.) ②If Mary is not well enough to go with you, take me instead. 如果玛丽身体还 不好,不能跟你去,就带我去吧! ③You can take me with you instead of Mary. 你可以不带玛丽而带我去。 5.make sure 意为“感到确信无疑,确信”(=feel sure, do what is necessary in order to feel sure),其后常跟一个that引导的宾语从句,that可以省略。例如: ①It is said that there will be a lecture on computer tonight, but we'd better make sure.据说今天晚上有个关于电脑的讲座,可我们最好弄清楚。 ②Make sure that the lights are turned off before you leave home. 离家前要确保已经关灯。 常用句型结构 1.“make +名词/代词+形容词”是很有用的句型,make的意思是“使”。 例如: ①We'll do everything that we can to make him happy. 我们将尽力使他高兴。 ②I know nothing about it. I want to make it clear to you. 我要向你讲明,我(一点儿也)不知道这件事。 ③We must have plenty of exercises every day and make ourselves strong and healthy. 我们每天必须进行足够的锻炼,使身体强健。 2.What about when we leave? What about…? ……怎么样?……怎么回事”?例如: ①What about going out for a drink? 出去喝一杯怎么样? ②What about the time when we meet again? 下次见面定在什么时间? 这句也可以用How about…? 通常可以理解为:What do you think about…? 的简略形式;一般用来征求对方的看法或询问对方的意见。 3.Don't touch anything unless your teacher tells you to. not…unless…不……就不;只是……才能。例: ①I won't believe it unless I have seen it with my own eyes. 我要亲眼看到才相信。 ②Do not enter the lab unless you are allowed to. 只有经过允许才能进入实验室。 ③I can't do it myself unless you help me. 除非你帮助我,不然我无法自己做。 【注意】unless在意思上比较接近if…not, 但语气比 if… not重,一般只用在将来时态中。且从句中谓语动词常用一般现在时代替一般将来时。在使用中要注意和until, before, after的区别。例如:You can not really understand it unless you read it carefully.=You can not really understand it if you do not read it carefully. 再如:He did not leave the house until his father returned. 这一句中的until不能换为unless, 因为unless只能用在将来时中,意为“除非……”,引导条件状语从句。 Language Points for Unit 1 Language Points for Unit 2 Language Points for Unit 3 Language Points for Unit 4 Language Points for Unit 5 Language Points for Unit 6 Language Points for Unit 7 Language Points for Unit 8 Language Points for Unit 9 Language Points for Unit 10 Language Points for Unit 11 Language Points for Unit 12 Language Points for Unit 13 Language Points for Unit 14 |
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