新概念英语第二册第20课课文讲解

一、词汇catch v. 抓到fisherman n. 钓鱼人，渔民boot n. 靴子waste n. 浪费realize v. 意识到★catch v. 抓到①vt. 捉住，逮住，捕获The police have caught the thief.②vt. 抓住，握住Can you catch the ball?③vt. 及时赶到，赶上catch up with 赶上，跟上Go ahead please.I’ll soon catch up with you.★boot n. 靴子a pair of boots 一双靴子★waste n. 浪费①n. 浪费a waste of… 浪费……It is a waste of time/money/food/water.②vt. 浪费You are wasting time.★realize v. 意识到①v. 认识，知道，明白，意识到I went into the wrong room without realizing it. 我无意中走错了房间。

I realized that I was wrong.②v. 实现（希望、目标、愿望等）realize one's dream 实现某人的梦想She has realized her hope to be an actress.③使变为事实，使发生（常用于被动语态）This plan can never be realized.二、课文讲解1、Fishing is my favourite sport.fishing是一个动名词，由动词+ing组成，动名词可以作主语或宾语，如eating，reading等等★fish①n. 鱼（不可数名词），鱼的种类（可数）There are a lot of fishes(表示种类)in the sea.②v. 钓鱼, 捕鱼2、I often fish for hours without catching anything.for+时间表示一段时间for hours=for some hours 数小时without catching anything作为状语而出现, 表示结果状语。

新概念英语第二册：第20课课文详解及语法解析课文详注 Further notes on the text1.I often fish for hours without catching anything.我经常一钓数小时却一无所获。

without 通常表示“缺乏”、“没有”：I can't repair the car without your help.没有你的协助我无法修理这车。

当它位于动名词前时，它表示“不曾”、“不”：They tried to leave the restaurant without paying.他们企图不付账就离开餐馆。

John left the room without telling anyone.约翰离开房间时不曾告诉任何人。

2.Instead of catching fish, they catch old boots and rubbish.他们往往鱼钓不到，却钓上来些旧靴子和垃圾。

instead有“作为替代”、“反而”等含义，一般以短语形式instead of出现：Jack took part in the race instead of Tony.杰克代替托尼参加了比赛。

Instead of sugar, he bought some salt.他没有买糖，而是买了些盐。

副词instead单独使用时一般出现在句尾：If you don't want a holiday in England, why don't you go to Australiainstead?如果你不想在英国度假，那你为什么不去澳大利亚呢?3.I am even less lucky.我的运气甚至还不及他们。

less是little的比较级，意为“不及”、“不如”、“更少”：Tom has got little chocolate, and Jack has got even less.汤姆只有一点儿巧克力，杰克则更少。

Lesson 20 One man in a boat【New words and expressions】生词和短语★catch v. 抓到 catch fish, catch thief catch cold：染上感冒 catch a bus：赶车catch one's breath：摒住呼吸 catch sight of(see)：看见catch fire：着火 catch one's eyes：吸引某人注意力★fisherman n. 钓鱼人，渔民★boot n.靴子 a pair of boots★waste n. v. 浪费 You are wasting time.a waste of: It is a waste of time.★realize v. 意识到 I realized that I was wrong.实现，realize one's dream【课文讲解】fish一般情况下作为不可数名词用There are a lot of fishes（表示种类）in the sea.fish(v.)：钓鱼，捕鱼主语通常由名词和代词充当，以及动词＋ingfor+时间……表示一段时间 for hours=for some hourswithout (prep.) 介词后面一定要加宾语动词＋ing：1.做主语；2.做宾语anything用在否定句中without作为状语而出现，表示结果状语, without 后面的动作是主语来做.He went out without saying any words.Without asking for money, the boy went to school.(v.)worry sb. The house worried me. My daughter worried me.(adj.)be worried about 主语为宾语而感到担心I was never worried about this.instead of 后面的词一定是没有做的，可以放在主句后面without强调没有做某件事，instead of强调这件事没做成而做成了另外一件事我原准备做……但是后来做了……I go to school instead of staying at home. I bought books instead of buying dresses. less+原级 (不如) : A is less ... than Bspend+时间+在某地：在某地度过……时间after(conj.)+从句，从句主语必须是主句的主语才能换成下面一种形式after(prep.)+名词／动词的ing形式After I go to school, I learned a lot of knowledge.After going to school, I learned a lot of knowledge.with: 带着 without；没带give up doing/stop doing：放弃做某事在船上in the boatnot at all在否定句中起强调作用【Key structures】动词＋ing(非谓语动词)可以做主语和宾语b.be keen on, be fond of, be interested in, enjoy+动词ingbe afraid of, be up to ,be capable of, without, instead ofc. I apologize.apologize for (not) doing sth., thank you for..., congratulate sb. on doing sth. Exercises C1.without without prep.+ doingHe went out of the restaurant without paying the bill.2.instead ofShe bought a pair of boots instead of getting a pair of shoes.＝She bought a pair of boots instead of a pair of shoes.3.of : She was afraid of spending the night alone.4.afterafter＋从句；after prep.+doing After hearing the news, she fainted.5.beforeThink carefully before answering my question. 在回答我的问题之前，请仔细考虑。

新概念英语第二册第二十课课后习题答案详解Lesson 201. b根据课文第4行 I never catch anything---not even old boots, 只有 b. nevercatches anything 与课文实际内容相同，而其他3个选择都与课文内容不符。

2.c根据课文最后一句I am only interested in sitting in a boat and doing nothingat all! 只有c. doing nothing 是正确答案，而其他3个选择都不符合课文内容。

3.b 本句是对主语提问的，回答是Fishing.a. who (谁)是对主语提问的；c. whom(谁)是对宾语提问的；d. whose(谁的)确是对定语提问的；只有b. which 是对做主语的事物提问的，所以选b.4.b本句是带never的否定句，只有b. anything 可以用在否定句中。

而a. nothing若用在否定句中，就会使原句变成肯定意义的句子，不符合题目意思；c. something 只能用于肯定句中；d. everything也不能用在否定句中。

5.c前面句子 I am even less lucky 中的 less(不及)是表示否定意义的比较级,只有c. not so是表示否定意义的,而其他3个选择都没有否定的意思.6.b只有b. an empty bag 最符合语法。

而其他3个选择都有语法错误。

a. a empty bag 中empty是以元音开头的，前面不能用a 而应该用an; c. empty bag 中 bag 是可数名词，需要用an 来修饰； d. oneempty bag 不符合习惯用法，单数可数名词前通常用不定冠词a 或an 修饰，除非表示强调才用one 修饰。

因此应该选b.7.c只有c. all 才能使这个句子同前一句I am only interested in doingnothing.的含义相符合，all等于the things that ，可以代替doing nothing. 而其他3个选择中a. only 和d. the only 不符合语法，b. the one 不符合题目意思，不能完全表达清楚。

一、词汇catch v. 抓到fisherman n. 钓鱼人，渔民boot n. 靴子waste n. 浪费realize v. 意识到★catch v. 抓到①vt. 捉住，逮住，捕获The police have caught the thief.②vt. 抓住，握住Can you catch the ball?③vt. 及时赶到，赶上catch up with 赶上，跟上Go ahead please.I ' ll soon catch up with you.★ boot n. 靴子a pair of boots 一双靴子★waste n. 浪费①n. 浪费a waste of, 浪费,,It is a waste of time/money/food/water.②vt. 浪费You are wasting time.★realize v. 意识到① v. 认识，知道，明白，意识到I went into the wrong room without realizing it. 我无意中走错了房间。

I realized that I was wrong.② v. 实现（希望、目标、愿望等）realize one's dream 实现某人的梦想She has realized her hope to be an actress.③使变为事实，使发生（常用于被动语态）This plan can never be realized.二、课文讲解1、Fishing is my favourite sport.fishing 是一个动名词，由动词+ing 组成，动名词可以作主语或宾语，如eating ，reading 等等★fish①n.鱼（不可数名词），鱼的种类（可数）There are a lot of fishes（表示种类）in the sea.②V.钓鱼，捕鱼2、I often fish for hours without catching anything.for+ 时间表示一段时间for hours=for some hours 数小时without catching anything 作为状语而出现, 表示结果状语。

新概念英语2第20课课文In the realm of language learning, the New Concept English series has long been a beloved and esteemed resource for students around the world. The 20th lesson of New Concept English 2 offers a captivating exploration of the nuances and complexities of the English language. Through this lesson students are introduced to a wealth of vocabulary and grammatical structures that contribute to the richness and versatility of communication in EnglishAt the heart of this lesson lies a focus on the concept of "complex sentences" which are characterized by the presence of a main clause and one or more subordinate clauses. These intricate sentence structures allow language learners to convey their ideas with greater precision and sophistication. The lesson delves into the various types of subordinate clauses including relative clauses adverbial clauses and noun clauses each serving a unique purpose in enhancing the expressiveness of the languageOne of the key components of this lesson is the discussion of relative clauses which are used to provide additional information about anoun or pronoun in a sentence. Students are introduced to the distinction between restrictive and non-restrictive relative clauses and learn how to effectively incorporate them into their writing and speech. The lesson emphasizes the importance of using relative pronouns such as who which and that to seamlessly integrate these clauses and create cohesive and well-structured sentencesIn addition to relative clauses the 20th lesson of New Concept English 2 also explores adverbial clauses. These subordinate clauses serve to modify the verb or provide additional information about the action expressed in the main clause. Learners are exposed to various types of adverbial clauses including those of time place reason condition and contrast gaining a deeper understanding of how to use them to enhance the clarity and nuance of their languageFurthermore the lesson delves into the realm of noun clauses which function as subjects objects or complements within a sentence. Students are guided through the process of constructing noun clauses using conjunctions such as that whether and if and learn how to employ them effectively to convey complex ideas and abstract conceptsThroughout the lesson numerous examples and practice exercises are provided to reinforce the understanding of these grammatical structures. Learners are encouraged to engage actively with thematerial by analyzing sample sentences identifying the different types of clauses and experimenting with incorporating complex sentences into their own written and spoken EnglishBeyond the technical aspects of grammar the 20th lesson of New Concept English 2 also emphasizes the importance of developing a diverse and sophisticated vocabulary. Students are introduced to a wealth of new words and expressions that can be utilized to elevate their language and communicate more effectively. The lesson highlights the significance of context in understanding and applying these vocabulary items ensuring that learners can seamlessly integrate them into their everyday speech and writingOne of the key strengths of this lesson lies in its ability to strike a balance between theoretical knowledge and practical application. While delving into the intricacies of complex sentence structures and grammatical concepts the lesson also provides ample opportunities for learners to put their newfound understanding into practice. Through a variety of engaging activities and exercises students are able to apply the principles they have learned and hone their skills in crafting complex yet coherent sentencesMoreover the lesson encourages learners to think critically about the nuances of the English language and how the strategic use of complex sentences can enhance their overall communication skills.By developing a deeper appreciation for the richness and versatility of the language students are empowered to express themselves with greater clarity precision and sophisticationIn conclusion the 20th lesson of New Concept English 2 is a truly remarkable resource for language learners seeking to elevate their mastery of the English language. Through its comprehensive coverage of complex sentence structures diversification of vocabulary and emphasis on practical application this lesson equips students with the necessary tools to communicate with confidence and clarity in a wide range of personal and professional contexts. As learners embark on this exciting journey of linguistic exploration they are sure to emerge with a newfound appreciation for the power and beauty of the English language。

逐句精讲新概念英语第二册:第20课独坐孤舟Lesson20 One man in a boat课文内容：Fishing is my favourite sport. I often fish for hours without catching anything. But this does not worry me. Some fishermen are unlucky. Instead of catching fish, they catch old boots and rubbish.I am even less lucky. I never catch anything-not even old boots.After having spent whole mornings on the river, I always go home with an empty bag. ‘You must give up fishing!' my friends say.‘It's a waste of time.' But they don't realize one important thing. I'm not really interested in fishing. I am only interested in sitting in a boat and doing nothing at all !本文语法：动名词语法归纳：动名词由“V + ing”构成，是兼有动词和名词一部分性质的非谓语动词，可以通俗地理解为表达动词的含义而具有名词的词性。

动名词在句子中可充当主语、宾语、表语、定语等：1)动名词作主语：Saving is having.节约就是财富。

Finding a good job is very difficult now.现在找一个好工作很难。

新概念英语第二册第二十课课后习题答案详解Lesson 201. b根据课文第4行I never catch anything---not even old boots, 只有b. nevercatches anything 与课文实际内容相同，而其他3个选择都与课文内容不符。

根据课文最后一句I am only interested in sitting in a boat and doing nothingat all! 只有c. doing nothing 是正确答案，而其他3个选择都不符合课文内容。

本句是对主语提问的，回答是. who (谁)是对主语提问的；c. whom(谁)是对宾语提问的；d. whose(谁的)确是对定语提问的；只有b. which 是对做主语的事物提问的，所以选b.本句是带never的否定句，只有b. anything 可以用在否定句中。

而a. nothing若用在否定句中，就会使原句变成肯定意义的句子，不符合题目意思；c. something 只能用于肯定句中；d. everything也不能用在否定句中。

前面句子I am even less lucky 中的less(不及)是表示否定意义的比较级,只有c. not so是表示否定意义的,而其他3个选择都没有否定的意思.只有b. an empty bag 最符合语法。

而其他3个选择都有语法错误。

a. a empty bag 中empty是以元音开头的，前面不能用a 而应该用an;c. empty bag 中bag 是可数名词，需要用an 来修饰；d. oneempty bag 不符合习惯用法，单数可数名词前通常用不定冠词a 或an 修饰，除非表示强调才用one 修饰。

因此应该选b.只有 c. all 才能使这个句子同前一句I am only interested in doingnothing.的含义相符合，all等于the things that ，可以代替doing nothing. 而其他3个选择中a. only 和d. the only 不符合语法，b. the one 不符合题目意思，不能完全表达清楚。