新概念英语第4册

新概念英语第四册课后题答案大全

新概念英语第四册答案

Unit 1 CABDD BDAAC AB

Unit 2 BCBDC ACAAD BC

Unit 3 CABDA CDABA CD

Unit 4 ACCAB BCDAA BD

Unit 5 CABAB DACBB DD

Unit 6 CACCC AAADB AA

Unit 7 DCABA BACDA AC

Unit 8 BDABD BAABC BC

Unit 9 CDBAA CABAC AD

Unit 10 CAABD CBBDC AA

Unit 11 AABDD DADDB DD

Unit 12 CABAC CDACA AB

Unit 13 ACDAC BDABC AD

Unit 14 DBDCC ACCBD BD

Unit 15 CADCD DBACA CA

Unit 16 ABCCA DDBAB AC

Unit 17 BBADA BBDCD CA

Unit 18 BABCD CDCCC BA Unit 19 BBCAD AABDD BC

Unit 20 BCADC CCBDB CA

Unit 21 BDBBA ADDAB CA

Unit 22 CDACB ADBCD AB

Unit 23 CADCC DCABC AC

Unit 24 AACCB CADDA CD

Unit 25 DBADD CACDB CA

Unit 26 CBCBA CDDAB AC

Unit 27 BCDCC ACCDD DA

Unit 28 ADCDA BCADA BD

Unit 29 CCADD CCADA BC

Unit 30 CABDD BCCAC DC

Unit 31 AABAD BADDC BD

Unit 32 BDCBA DBDCA BC

新概念英语第四册知识点整理

第一部分：语法点

1. 一般现在时和现在进行时

一般现在时用于描述经常性的、习惯性的动作或状态，现在进行时则用于描述正在进行的动作。例如：

- I usually go to the park on Sundays. （我通常在星期天去公园。）

- She is watching TV right now. （她正在看电视。）

2. 祈使句

祈使句用于表达命令、建议、请求等，一般省略主语 "you"。例如：

- Sit down. （坐下。）

- Please close the window. （请关窗。）

3. 定冠词和不定冠词

定冠词 "the" 用于特指某个人或物，不定冠词 "a" 或 "an" 用于泛指一个人或物。例如：

- The dog is barking. （那只狗在叫。）

- I saw a cat in the garden. （我在花园里看见了一只猫。）

4. 可数名词和不可数名词 可数名词表示可以计数的事物，可以用数词修饰；不可数名词表示不可分割的事物，不能用数词修饰。例如：

- There are three books on the table. （桌子上有三本书。）

- I have some milk in the fridge. （冰箱里有一些牛奶。）

5. 过去式和过去分词

过去式用于过去的单一事件，过去分词用于完成时态和被动语态中。例如：

- He did his homework yesterday. （他昨天做了作业。）

- The letter was sent by him. （这封信是他寄的。）

第二部分：词汇点

1. 常见动词短语

- take off（脱下）

- put on（穿上）

- look after（照顾）

- give up（放弃）

- look for（寻找）

2. 常见形容词和副词

- happy（快乐的） - sad（悲伤的）

新概念英语第四册课文

1Lesson1Wecanreadofthingsthathappened5,000yearsagointheNearEast,wherepeoplefirstlearnedtowrite.Buttherearesomepartsoftheworldwhereevennowpeoplecannotwrite.Theonlywaythattheycanpreservetheirhistoryistorecountitassagas--legendshandeddownfromonegenerationofstory-tellerstoanother.Theselegendsareusefulbecausetheycantellussomethingaboutmigrationsofpeoplewholivedlongago,butnonecouldwritedownwhattheydid.AnthropologistswonderedwheretheremoteancestorsofthePolynesianpeoplesnowlivinginthePacificIslandscamefrom.ThesagasofthesepeopleexplainthatsomeofthemcamefromIndonesiaabout2,000yearsago.Butthefirstpeoplewhowerelikeourselveslivedsolongagothateventheirsagas,iftheyhadany,areforgotten.Soarchaeologistshaveneitherhistorynorlegendstohelpthemtofindoutwherethefirst'modernmen'camefrom.Fortunately,however,ancientmenmadetoolsofstone,especiallyflint,becausethisiseasiertoshapethanotherkinds.Theymayalsohaveusedwoodandskins,butthesehaverottedaway.Stonedoesnotdecay,andsothetoolsoflongagohaveremainedwheneventhebonesofthemenwhomadethemhavedisappearedwithouttrace.

新概念英语第四册第四单元课文原文

Lesson 4 Seeing hands 能看见东西的手

In the Soviet Union several cases have been reported recently of people who can read and

detect colors with their fingers, and even see through solid doors and walls. One case concerns an

'eleven-year-old schoolgirl, Vera Petrova, who has normal vision but who can also perceive things

with different parts of her skin, and through solid walls. This ability was first noticed by her father.

One day she came into his office and happened to put her hands on the door of a locked safe.

Suddenly she asked her father why he kept so many old newspapers locked away there, and even

described the way they were done up in bundles. Vera's curious talent was brought to the notice of

a scientific research institute in the town of UIyanovsk, near where she lives, and in April she was