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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。
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。
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。
新概念英语第二册逐句精讲语言点第20课(3)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 !精讲笔记：7.I never catch anything-not even old boots.我什么都没有钓到过——甚至连旧靴子也没有。
语言点1 never表示一点可能都没有,水准比一般否定要深。
对比学习：I do not love you. 我不爱你。
I never love you.我从没爱过你。
(—点可能性都没有)语言点2 英语中破折号(dash)后为补充说明内容，在此进一步补充说明前面的anything。
Lesson 20 One man in a boat
一、词汇学习
1、catch-caught-caught 抓到（住）；赶上
catch a thief：抓小偷；catch the bus 赶公交车miss the bus 错过公交车
catch/draw/attract one’s attention：吸引某人的注意力
catch a cold：患感冒have a cold：正患感冒（表状态）
2、fisherman：n.渔民
fish：n.鱼鱼肉：不可数
鱼的条数：可数单复同形
鱼的种类：可数fish-fishes
Fish：v.捕鱼，钓鱼go fishing 去钓鱼
3、boot：n.靴子 a pair of boots 一双靴子
与鞋有关：running shoes：跑鞋leather shoes：皮鞋slipper：拖鞋
4、waste：n. a waste of：对…浪费It’s a waste of food.这是浪费食物。
v. Don’t waste your time.
5、realize：1）意识到，认识到（不用于被动语态，无进行时态，人做主语）
2）实现（计划等）主动，被动均可
二、语法
动名词：顾名思义，起源于动词，又有名词的功能，在句中可作主语，表语，宾语。
1）作主语: Swimming is my favorite sport.
2）作表语：Seeing is believing.眼见为实。
3）作宾语：Have you finished cleaning your room？
He insisted on doing it in his own way.他坚持按照自己的方式去做。
lesson 20 one man in a boat单词学习1、catch (caught, caught) vt. 抓到catch fish 钓鱼，捕鱼catch a thief 抓住小偷catch the bus 赶公交车←→miss the bus 错过公交车catch one’s attention 吸引某人注意力/draw one’s attention/attract one’s attention/catch one’s eyes/draw one’s eyes/attract one’s eyescatch fire 着火（强调转变过程）be on fire 正在燃烧（强调状态）catch a cold 患感冒（强调转变过程）have a cold 正患感冒（强调状态）catch sb doing sth 抓住正在做某事的人eg. The little boy was caught stealing apples from the garden.那个小男孩正在园子里偷苹果被抓住。
eg. The early bird catches the worm. 捷足先登。
grab抓起，抢夺，热切或拼命地抓snatch抢夺，突然而迅速地抓起arrest（依法）逮捕capture俘虏，捕获trap设陷阱捕捉grasp紧握，抓住seize [si:z] 握紧，抓住catch it被责骂，受处罚（口）（通常与will等连用）eg. If I come home late, I’ll catch it from my mother. 如果我回家晚了，我妈妈会骂我。
catch up with赶上eg. Go ah ead, please. I’ll soon catch up with you. 你先走吧，我会很快赶上你的。
catch on（意见，时尚）受欢迎的catch phrase标语，引人注意的句子2、fisherman n. 钓鱼人，渔民fish →fisherman (pl. fishermen)fish n. 鱼[C]1) fish 鱼[pl.] 单复数同形2) fishes 不同种类的鱼a big fish in a small pond. 山中无老虎猴子称霸王eg. When the cat is away, the mice will play.老猫不在家老鼠笑呵呵。
新概念第二册Lesson 20复习要点一．L20词汇讲解：1.catch---caught---caughtcatch a fish 抓住一条鱼/catch a cold 得了感冒/catch the bus 赶公交车2.fisherman钓鱼人，渔民fireman消防员/newspaperman记者/milkman送奶工/postman邮递员/policeman警察/superman超人3.waste浪费a waster of time浪费时间/a waste of money 浪费钱/a waster of paper 浪费纸We shouldn’t waste water.我们不应该浪费水。
4.realize意识到realize the problem意识到这个问题realize that......realize a dream 实现梦想二．动名词：doing1.动名词作主语：Eating is always a pleasure.吃总是一件愉快的事情。
Fishing is my favourite sport.钓鱼是我最喜欢的运动。
2.介词后动词用ing形式：He sat there without saying anything. 他默默地坐在那儿。
She is afraid of staying in that house.她害怕待在那栋房子里。
三．重点短语：1.instead of 而不是She bought a pair of boots instead of getting a pair of shoes.她买了一双靴子，而不是一双鞋。
2.give up 放弃You must give up smoking.你必须放弃抽烟。
3.be interested in 对......感兴趣I’m not interested in fishing.我对钓鱼不感兴趣。
4.not at all 一点儿也不，一点也没有I don't want to speak at all.我一点儿也不想说话。
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。
】生词和短语5）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① vt. 捉住，逮住，捕获The police have caught the thief.Have you caught any fish today?② vt. 抓住，握住Can you catch the ball?③ vt. 及时赶到，赶上catch a bus 赶车I want to catch the eight nineteen (train) to London.catch④的一些固定用法catch a cold 染上感冒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★boot n. 靴子a pair of boots 一双靴子★waste n. 浪费① n. 浪费a waste of…浪费……It is a waste of time/money/food/water.② vt. 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.【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。
lesson 20 one man in a boat单词学习1、catch (caught, caught) vt. 抓到catch fish 钓鱼，捕鱼catch a thief 抓住小偷catch the bus 赶公交车←→miss the bus 错过公交车catch one’s attention 吸引某人注意力/draw one’s attention/attract one’s attention/catch one’s eyes/draw one’s eyes/attract one’s eyescatch fire 着火（强调转变过程）be on fire 正在燃烧（强调状态）catch a cold 患感冒（强调转变过程）have a cold 正患感冒（强调状态）catch sb doing sth 抓住正在做某事的人eg. The little boy was caught stealing apples from the garden.那个小男孩正在园子里偷苹果被抓住。
eg. The early bird catches the worm. 捷足先登。
grab抓起，抢夺，热切或拼命地抓snatch抢夺，突然而迅速地抓起arrest（依法）逮捕capture俘虏，捕获trap设陷阱捕捉grasp紧握，抓住seize [si:z] 握紧，抓住catch it被责骂，受处罚（口）（通常与will等连用）eg. If I come home late, I’ll catch it from my mother. 如果我回家晚了，我妈妈会骂我。
catch up with赶上eg. Go ah ead, please. I’ll soon catch up with you. 你先走吧，我会很快赶上你的。
catch on（意见，时尚）受欢迎的catch phrase标语，引人注意的句子2、fisherman n. 钓鱼人，渔民fish →fisherman (pl. fishermen)fish n. 鱼[C]1) fish 鱼[pl.] 单复数同形2) fishes 不同种类的鱼a big fish in a small pond. 山中无老虎猴子称霸王eg. When the cat is away, the mice will play.老猫不在家老鼠笑呵呵。
teach fish to swim 班门弄斧drink like a fish 牛饮like a fish out of water 如鱼离水an odd fish 奇怪的家伙eg. They caught many fish that morning.那天早上他们钓了很多鱼。
eg. He studies the fishes in the Indian Ocean. 他研究印度洋里的鱼类。
fried fish 煎鱼，炸鱼fresh fish 新鲜鱼salted fish 咸鱼fish-and-chips 油煎鱼加炸马铃薯片（大众快餐）(Br.)eg. Some people eat fish on Fridays.（天主教的习惯在星期五吃鱼代替吃肉）fish vi. 捕鱼，钓鱼eg. I like fishing. 我喜欢钓鱼。
eg. I enjoy fishing. 我喜欢钓鱼。
eg. I am fond of fishing. 我喜欢钓鱼。
eg. I am keen on fishing. 我喜欢钓鱼。
go fishing 去钓鱼go swimming 去游泳go shopping 去购物fish in troubled water 浑水摸鱼fish for compliments 沽名钓誉3、boot n. 靴子a pair of boots 一双靴子have one’s heart in one’s boots 极为悲观消沉have one’s heart in one’s mouth 极为恐惧boots 长筒靴rubber boots 橡胶长靴running shoes 跑鞋platform shoes 厚跟鞋leather shoes 皮鞋sandal ['sændl] n.凉鞋sneaker ['sni:kə] n.(帆布胶底)运动鞋(Am.) slipper 拖鞋tennis shoes 网球鞋loafer 平底便鞋shoesshoelace 鞋带sole 鞋底heel 鞋跟low shoe 低帮鞋(Am.) high shoe 短靴boot 长靴shoe 低帮鞋(Br.) boot高统鞋4、waste vt./n. 浪费1) waste vt. 浪费eg. Don’t waste your time, money and energy.不要浪费你的时间，金钱和精力。
eg. All the efforts were wasted.一切努力都被浪费了。
2) waste n. 浪费a waste of 对…的浪费eg. It’s a waste of time. 这简直是浪费时间。
eg. It’s a waste of money. 这是对金钱的浪费。
eg. It’s a waste of feeling. 简直是浪费感情。
eg. It’s a waste of food. 这是浪费食物。
Waste not, want not.不浪费，就不缺乏。
（尤指食物或钱）eg. If you never waste anything, you’ll never lack it. 不浪费，就不缺乏。
go to waste 变成废物waste away （人，体力）衰弱wastebasket 字纸篓(Am.)wastepaper basket字纸篓(Br.)5、realize v. 意识到real adj. 真的reality n. 现实1) 认识到，意识到（不用于被动语态，不用于进行时态，人做主语）realize one’s mistake 认识到自己的错误/be aware of one’s mistakeeg. She realized that he was lying.她意识到他正在说谎。
eg. They don’t realize one important thing.他们没有认识到一件重要的事情。
2) vt. 实现（计划等）（可用于主动，也可用于被动语态）realize one’s hope 实现某人的希望realize one’s dream 实现某人的梦想realize one’s plan 实现某人的计划eg. He realiaed his dream at last.他终于实现了自己的梦想。
→His dream was realized at last.eg. Her worst fears were realized.她最担心的事发生了。
come true 成为现实（物做主语，没有被动语态）eg. Her dream has come true.她的梦想实现了。
课文讲解1、favorite adj. 最喜欢的无比较级、最高级eg. Red and Black is my favorite book.《红与黑》是我最喜欢的书。
n. 心爱的人（物），最喜爱的东西eg. That song is one of his favorites.那首歌是他最喜欢的歌中的一首。
eg. She is a favorite with her aunt.她最受姑姑的宠爱。
/ She is her aunt’s favorite.2、without prep. 没有prep.+ n./v.—ing / pron.eg. He went out without saying anything.他一言不发就走了。
用法：without前后必须保持一致。
上句相当于：He went out and he didn’t say anything./ He went out without saying any words.eg. I can not live without you.eg. Fish can not live without water.3、worry v. 使…担心worry sb 使…担心，困扰某人eg. My little daughter worried me a lot.我的小女儿令我担心。
be worried about 对…表示担心eg. I was worried about my little daughter. 我对小女儿感到担心。
be anxious about 对…感到焦虑instead of 不做…而做… （可置于句首或句尾）eg. Instesd of catching fish, the unlucky fishermen catch old boots and rubbish. 那些不幸的垂钓人没有钓到鱼而钓到一些旧靴子和垃圾。
/ The unlucky fishermen catch old boots and rubbish intead of catching fish.eg. Men wear socks intead of stockings. 男士们穿的是短袜而不是长袜。
eg. I went shopping intead of doing my homework. 我去购物而没有做作业。
instead of 后面加名词，代词或动名词作介词宾语。
4、rubbish n. 垃圾a pile of rubbish 一堆垃圾/a heap of rubbish eg. Don’t talk rubbish! 别说废话了！garbage1) （厨房里的）菜屑碎肉，残羹剩肴，垃圾(Am.)2) （口）不足取的东西，愚蠢的想法garbage can 垃圾箱(Am.) dustin垃圾箱(Br.) garbage collector 垃圾收集清洁员dustman 垃圾收集清洁员(Br.)garbage truck 垃圾车dustcart 垃圾车(Br.) refuse ['refju:s] 垃圾5、even 甚至more lucky 更加幸运less lucky 更加不幸运less 更不…（消极比较级）A is less + 原级thanB A比B更不…eg. I am less happy than before.我比以前更加不愉快/ 更痛苦。
eg. This story is less interesting than that one.这个故事比那个更无聊。
