新概念英语第四册课后习题答案.docx

新概念英语第四册课后习题答案Unit1CABDDBDAACABUnit25DBADDCACDBCAUnit2BCBDCACAADBCUnit26CBCBACDDABACUnit3CABDACDABACDUnit27BCDCCACCDDDAUnit4ACCABBCDAABDUnit28ADCDABCADABDUnit5CABABDACBBDDUnit29CCADDCCADABCUnit6CACCCAAADBAAUnit30CABDDBCCACDCUnit7DCABABACDAACUnit31AABADBADDCBDUnit8BDABDBAABCBCUnit32BDCBADBDCABCUnit9CDBAACABACADUnit33BDBADBCCDCBAUnit10CAABDCBBDCAAUnit34DCACBDACDBCAUnit11AABDDDADDBDDUnit35CBCACABBDCCDUnit12CABACCDACAABUnit36ACBCCACCDBACUnit13ACDACBDABCADUnit37CABACDBCDCBDUnit14DBDCCACCBDBDUnit38CAABBACBDDABUnit15CADCDDBACACAUnit39BCADABDDBDBCUnit16ABCCADDBABACUnit40DCDACADDDADBUnit17BBADABBDCDCAUnit41ACACDCBBBDBCUnit18BABCDCDCCCBAUnit42BCCBDBDADCACUnit19BBCADAABDDBCUnit43DBABCCDDACBBUnit20BCADCCCBDBCAUnit44AAAABBBBDCBAUnit21BDBBAADDABCAUnit45CADACCACDCDCUnit22CDACBADBCDABUnit46BBDBDABCDABDUnit23CADCCDCABCACUnit47CAADBCACDBBCUnit24AACCBCADDACDUnit48CCBCCCCDBAAB新概念 4 笔记 1 Finding fossil man一、重点单词解释1 、 recount ： v. 叙述注意读音，重音在后。

英语中有“名前动后”之说，重音在前是名词，重音在后是动词例如： recordrecount ： emotionlessdescribe ： a little emotionaldepict ：同上narrate ： temporal & spacial 时间和空间顺序 narrativeportray ：像画肖像一样地描述，最强烈2 、 anthropologist ：人类学家注意构词： anthrop = 人philosopher = philo + sopher =爱+ 智慧=哲学家 philanthropist = phil + anthrop =爱+人=慈善家 anthropology 人类学3 、 ancestor ：祖先an － 在前面； fore － 在前面同义词： forefather ， forebear4 、 flint ：燧石，打火石flinting heart 心太硬，残忍无比、歹毒近义词： cobble 鹅卵石Don't act as you were the only pebble on the beach. 不要太自以为是5 、 rot ：腐烂Leave me rot. =Leave me alone.Rot to death. 自生自灭。

Soon ripe, soon rotten. 早慧早衰He is rotton to core. 他坏透顶了同义词： decay ；decompose；：分解；deteriorate ：关系恶化（同学们自己查查它的读音）6 、 trace ： 痕迹trace the problem. 用作动词，跟踪，找到毛病的根源I follow your trace = I follow wherever you go二、课文重点难点分析We can read of things that happened 5,000 years ago in the Near East, where peoplefirst learned to write.1 、 read of 读到相似用法：谈到 speak of 、 talk of 、 了解到 know of 、听说过 hear of2 、知识点： Near East ： Mediterranean,South Europe,North AfricaMiddle East ： West AsiaFar East ： Chian,Japan,Korea3 、 where 从句是非限制性从句表原因：我们能够 , 因为那里的人们首先学会了书写。

4、补充练习：翻译－口语早于书面语出现翻译一： Oral （ spoken ） language is earlier than written language.翻译二： Oral （ spoken ） language is earlier than written counterpart.同学们自己查字典学习－ counterpart 这个词two things or two people have the same position The only way that they can preserve their history is to recount it as sagas--legends handed down from one generation of story-tellers to another.5 、 preserve 保留、保存、腌制（ preserved vegetables 腌菜）6、本句结构是： The only way... is to recount （主、系、表结构）如果句子中有 only ，那么后面跟的表语结构要用 to do sth. 不能用 doing sth.7、handed down 定语=legends where are handed down8 、 story-teller 讲故事的人 fortune-teller 、 palmreader 算命先生These legends are useful because they can tell us something about migrations of people who lived long ago, but none could write down what they did.9 、 migration ：移民注意几个相关词汇：migrant bird ：侯鸟immigrant ：移民（移入）emigrant ：移民（移出）同学们仔细体会这几个词的差异，因为我知道很多同学学英语，打算出国留学、办移民，所以这几个词将来会经常用到。

10、none = no bodyAnthropologists wondered where the remote ancestors of the Polynesianpeoples（ 民族 ） now living in the Pacific Islands came from.11 、 Polynesian peoples ： people ＋ s 复数表示民族But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.12、重要句型： if they had any 插入语 表示强调 - ‘即便是有’His relatives, if he had （any）, never went to visit him when he was hospitalized.So archaeologists have neither history nor legends to help them to find out where the first ''modern men'' came from.13 、 neither ：读音 , 英音 [ ai ], 美音 [ i: ] 还有 either 这个词14 、 find 与 find out 的区别： find out 指千方百计、费尽周折后找到 =explore15、modern men = who were like ourselvesFortunately, however, ancient men made tools of stone...16、知识点：表示转折的连接词－ however、 but 、 yet规律： but 、 yet 不要加任何标点， only at the beginning of sentence howerver : 放在 anywhere you want ，加逗号therefore 和 so 的用法同上， therefore 可以放任何地方； so 只在句首17 、 tool 小工具 instrument 实验器械 equipment 设备18 、 may have 表推测They may also have used wood and skins ...19 、 peel 果皮 leather 皮革 hide 兽皮 cowhide 牛皮Stone does not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.20 、 without （any） traceI run after the thief, but he turned the corner and disappeared without trace.Lesson 2: Spare that spiderNew words and expressions 生词短语 flocks and herds 牛群和羊群／ flCk/ the birds of the same feather flock t。