新概念英语第四册辅导
新概念英语第四册知识点整理
新概念英语第四册知识点整理一、重点词汇1、verbals（动词）名词化动词：即是名词又是动词，如：survival，advice，crisis动名词：动词的ing形式，如：writing，reading不定式：动词的to do形式，如：to write，to read2、elliptical sentences（省略句）省略主语：常常是祈使句，如：Go to the window.省略宾语：常常是介词短语或名词，如：With the help of my teacher.3、inverted sentences（倒装句）疑问句：助动词在主语前，如：Do you like English？强调句：助动词在主语前，如：It is I.4、participles（分词）现在分词：表示正在进行的动作或状态，如：reading，writing过去分词：表示已经完成的动作或状态，如：written，read5、conditional sentences（条件句）if条件句：if+主语+动词+其他，如：If I have time，I will go.虚拟条件句：if+主语+had done+其他，如：If I had known，I would have told you.6、relative clauses（定语从句）who，whom，whose，that，which等引导的定语从句，如：The book which I read is called 'The Catcher in the Rye'.7、gerunds（动名词短语）动名词短语作名词用，如：Reading is an important skill.8、comparative and superlative（比较级和最高级）比较级和最高级形式的变化规则和普通形容词相同，如：more beautiful，most beautiful.9、impersonal passives（无人称被动语态）表示没有明确的主语或动作执行者的情况，如：It is said that…据说…10、reported speech（间接引语）转述别人的话或文字时使用间接引语的形式，如：He said that he would go to the party.他说他会去参加聚会。
新概念英语第四册知识点整理
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）- beautiful（美丽的）- quickly（快速地）- slowly（慢慢地）3. 人称代词的主格和宾格形式- 主格形式：I，you，he，she，it，we，you，they- 宾格形式：me，you，him，her，it，us，you，them 4. 常见连词- and（和）- but（但是）- or（或者）- because（因为）- so（所以）5. 常见短语和惯用表达- How are you?（你好吗？）- Thank you.（谢谢。
新概念英语第四册Lesson+43+Are+there+strangers+in+space+讲义
Lesson 43Are there strangers in space?宇宙中有外星人吗？What does the 'uniquely rational way' for us to communicate with other intelligent beings in space depend on?We must conclude from the work of those who have studied the origin of life, that given a planet only approximately like our own, life is almost certain to start. Of all the planets in our solar system, we ware1 now pretty certain the Earth is the only one on which life can survive. Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury, and the outer planets have temperatures near absolute zero and hydrogen-dominated atmospheres. But other suns, start as the astronomers3 call them, are bound to have planets like our own, and as is the number of stars in the universe is so vast, this possibility becomes virtual certainty. There are one hundred thousand million starts in our own Milky4 Way alone, and then there are exist is now estimated at about 300 million million. Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns, so vast is the number of planets, that intelligent life is bound to be a natural part of the universe.If then we are so certain that other intelligent life exists in the universe, why have we had no visitors from outer space yet? First of all, they may have come to this planet of ours thousands or millions of years ago, and found our then prevailing5 primitive6 state completely uninteresting to their own advanced knowledge. Professor Ronald Bracewell, a leading American radio astronomer2, argued in Nature that such a superior civilization, on a visit to our own solar system, may have left an automatic messenger behind to await the possible awakening7 of an advanced civilization. Such a messenger, receiving our radio and televisionsignals, might well re-transmit them back to its home-planet, although what impression any other civilization would thus get from us is best left unsaid.But here we come up against the most difficult of all obstacles to contact with people on other planets --the astronomical8 distances which separate us. As a reasonable guess, they might, on an average, be 100 light years away. (A light year is the distance which light travels at 186,000 miles per second in one year, namely 6 million million miles.) Radio waves also travel at the speed of light, and assuming such an automatic messenger picked up our first broadcasts of the 1920's, the message to its home planet is barely halfway9 there. Similarly, our own present primitive chemical rockets, though good enough to orbit men, have no chance of transporting us to the nearest other star, four light years away, let alone distances of tens or hundreds of light years.Fortunately, there is a 'uniquely rational way' for us to communicate with other intelligent beings, as Walter Sullivan has put it in his excellent book, We Are not Alone. This depends on the precise radio frequency of the 21-cm wavelength10, or 1420 megacycles per second. It is the natural frequency of emission11 of the hydrogen atoms in space and was discovered by us in 1951; it must be known to any kind of radio astronomer in the universe.Once the existence of this wave-length had been discovered, it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested. Without something of this kind, searching for intelligences on other planets would be like trying to meet a friend in London without a pre-arranged rendezvous12 and absurdly wandering the streets in the hope of a chance encounter.ANTHONY MICHAELIS Are There Strangers in Space? from The Weekend TelegraphNew words and expressions 生词和短语Mercuryn. 水星hydrogenn. 氢气prevailingadj. 普遍的radio astronomer射电天方学家uniquelyadv. 唯一地rationaladj. 合理的radio frequency无线电频率cmn. 厘米megacyclen. 兆周emissionn. 散发interstelleradj.星际的rendezvousn. 约会地点参考译文根据研究生命起源的人们所作的工作，我们必然会得出这样的结论：如果设想有一颗行星和我们地球的情况基本相似，那几乎肯定会产生生命。
手把手教你新概念第四册的正确打开方式
手把手教你新概念第四册的正确打开方式2015年01月18日13:26新概念第四册选材极广，从自然世界到人类世界，从群体到个人，从自然科学到社会科学再到人文科学，无所不包。
这篇文章也只是从48篇课文中选取了第一、二课，来谈谈笔者对于《新概念英语》第四册学习方法的看法。
目的只是抛砖引玉，更多的还留待学习者自己去体会。
下面，就让新东方在线新概念英语教研中心老师告诉你两个学习《新概念英语》的技巧。
1、根据自身情况，发掘练习中的精髓当我们拿到一本新的教材时，第一件要做的事就是根据自己的情况和水平去掌握新的知识点，就这个方面而言，每位同学自身情况的不同导致了同一本教材对于每位同学的意义不同。
有些同学以为，对于每一篇新课文来讲，只要掌握生词，了解课文结构，把握作者意图，理解语言修辞技巧，便可一劳永逸。
至于课文配套的练习，是不屑一顾的。
当然，我们是学习的主人，马克思就他的书曾说过一句非常有意思的话：“这是我的奴隶，一定要按照我的意愿来供我使用”，按照我们的意愿当然没有必要做全部的练习。
但是做主人，一定要有挖掘精神，懂得提炼练习中的精髓，让练习真正对我们的学习有帮助。
当然，练习的有效部分也是因人而异。
就拿第一课练习中的难点部分(special difficulties )来说，难点部分包括几组同义词辨析。
通过对这一部分的学习，英语学习者的能力可以达到一定的水平，这时他们对于语词会有一定的敏感度，即使没有一套套的理论，也能凭借语感知道同义词之间的不同，比如语域 (register)的不同、感情色彩的不同、使用地域的不同或搭配的不同等。
在做练习时，如果我们善于观察，仔细体会，那么习题中的例句、题目还可以帮助我们提高口语水平和翻译水平。
1 )有些例句非常口语化，值得我们背下来，从而让其成为我们自己的“日常口语库存”，比如：我们经常听到年轻的父母让孩子上床睡觉并给孩子读故事，用英语其实很简单： Climb into bed and I’ll read you a bedtime story ；我们也经常会听到这样的说法：我皮肤不好，老是长痘，而西方人也这么说： I ’ ve such a bad skin. I’m always coming out in spots 。
新概念英语第4册第9课自学辅导资料
新概念英语第4册第9课自学辅导资料Royal ['rɒɪəl] . 皇家的；女王的；Espionage [,espiə'nɑ:ʒ;'espiənidʒ]侦察，侦查，(对别人的)暗中监视, (刺探别国政治、军事、经济等机密的)谍报活动spy 间谍（spec 字根=look）Penetrate 贯穿，渗透（pen=flood; etr=enter）['penɪtreɪt]Guthrum古斯鲁姆（人名）Alfred the Great ['ælfrɪd]阿尔弗雷德大帝Act as 。
担任Disguise [dis'ɡaiz]伪装MinstrelA minstrel was a medieval European bard who performed songs whose lyrics told stories of distant places or of existing or imaginary historical events.Ballad ballad 民谣；叙事歌谣In one’s youth 在某人的青年时期Vary vt. 改变；使多样化=change I can vary the speed at will. 我可以随意改变速度。
Acrobatic tricks 杂技 Conjuring 魔术conjure施魔法（jur: swear 发誓）Commander [kə'mɑːndə]指挥官 Invader [in'veidə]侵略者invade 侵略Thither ['ðɪðə] adv. 向那方；到那边=there (古用法)hither ['hɪðə]这边的；近这边的=herehither and thither到处= here and therediscipline ['dɪsɪplɪn]纪律；训练slack松散的; 松弛的conqueror ['kɔŋkərə]征服者conquer ['kɒŋkə]vt. 征服security [si'kjuəriti]安全；安全感secure [si'kjuə] adj. 安全的；casual ['kæʒjuəl]漫不经心的，不小心的casualty ['kæʒjuəlti]意外事故，(事故中的)伤亡人员proceeds ['prəusi:dz] (复数) (从事某种买卖、贸易等的)收入；收益live on the proceeds of …靠…的收入生活proceed [prəu'si:d] vi. 继续进行；发生；行进raid 袭击；突袭air raid 空袭region ['riːdʒ(ə)n]地区a life of ease 舒适的生活ease [iːz]轻松，舒适；安逸trivial （tri =three via=way ）（三条汇集处，闲聊的地方）琐事trival 微不足道的horde [hɔːd]一大群，群；游牧部落，这里指军队deduce [dɪ'djuːs] vt. 推论，推断be fit for 适合prolonged [prə'lɒŋd]延长的；拖延的；持续很久的commissariat [,kɒmɪ'seərɪət]粮食；粮食补给；(部队的)给养部门，军需部门，后勤部irregular [ɪ'regjʊlə] . 不规则的；无规律的；非正规的be faced with sth 面临（表示一种非主观愿意的状态）risk sth 冒…的危险open battle 正面的战斗open 公开的；敞开的；空旷的harry vt. 折磨；掠夺；骚扰['hærɪ]on the move在活动中，在进行中；四处奔波constantly ['kɒnst(ə)ntlɪ] adv. 不断地；时常地patrol [pə'trəʊl]巡逻；巡逻队；侦察队petrol（英）汽油['petr(ə)l]halt使停止[hɔːlt]raiding parties 突袭的部队party特遣队；分遣队；部队assail [ə'seɪl] vt.困扰；使苦恼；攻击，冲击a series of 一系列的['sɪəriːz;-rɪz]skirmish ['skɜːmɪʃ]小冲突，小规模战斗；小争论 minor battleepisode 插曲；一段情节['epɪsəʊd]unique [juː'niːk] adj. 独特的，稀罕的；[数] 唯一的ｅｐｉｃ ['epɪk]史诗，叙事诗An epic is a long book, poem, or film whose story extends over a long period of time or tells of great events. 史诗; 史诗般的作品给大家推荐一个英语微信群Empty Your Cup英语微信群是目前学习英语最有效的方法，群里都是说英语，没有半个中文，而且规则非常严格，是一个超级不错的英语学习环境，群里有好多英语超好的超牛逼的人，还有鬼佬和外国美眉。
新概念英语第四册教案
新概念英语第四册教案教案标题：新概念英语第四册教案教案目标：1. 帮助学生巩固和扩展他们在英语听、说、读、写方面的基础。
2. 提高学生的英语交流能力，培养他们的自信心。
3. 培养学生的阅读理解和写作能力。
4. 培养学生的独立学习和自主思考的能力。
教案内容：本教案根据新概念英语第四册的教材内容，结合学生的学习需求和教学目标，设计了以下几个教学单元：单元一：课文导入1. 创设情境，引起学生兴趣。
2. 利用图片、视频等多媒体资源，激发学生的学习兴趣。
3. 引导学生通过听力练习，熟悉课文的语音、语调和语速。
单元二：词汇与语法1. 教授本单元相关的词汇和短语，帮助学生理解课文内容。
2. 通过例句和练习，帮助学生掌握本单元的语法知识。
3. 组织学生进行词汇和语法的巩固训练，提高他们的应用能力。
单元三：听力与口语1. 利用录音材料，进行听力训练。
2. 组织学生进行听力理解和口语表达的练习，提高他们的听说能力。
3. 设计情境对话，培养学生的实际交际能力。
单元四：阅读与写作1. 组织学生进行课文的阅读理解训练。
2. 教授学生阅读技巧和策略，提高他们的阅读能力。
3. 引导学生进行写作练习，培养他们的写作能力。
单元五：综合训练1. 组织学生进行综合训练，包括听力、口语、阅读和写作等方面的练习。
2. 鼓励学生自主学习和思考，提高他们的独立学习能力。
教案评估：1. 利用课堂练习和作业，对学生的学习情况进行评估。
2. 设计小组活动和角色扮演，评估学生的合作能力和实际应用能力。
3. 组织学生进行口头报告和书面作业，评估他们的口语和写作能力。
教案参考资源：1. 新概念英语第四册教材和练习册。
2. 多媒体资源，如图片、视频和录音材料。
3. 课堂教具，如黑板、白板、投影仪等。
教案时间安排：根据教学计划和学生的学习进度，合理安排每个单元的教学时间。
建议每个单元的教学时间为2-3周。
教案指导：1. 教师应根据学生的实际情况和学习需求，灵活调整教学内容和教学方法。
新概念 第四册 学习方法
新概念第四册学习方法首先以新概念4每16课最为一个大单元，48课共分3个大单元进行。
首先集中学习完新概念4每个大单元的16课。
然后再开始集中背诵你所集中学完的这16课。
学习它的策略可以参照如下进行：以听为主导以读为辅助以写为巩固以说为自检具体操作步骤是这样的：面对一篇新课文，首先先听一遍，看自己能听懂多少，然后记住哪里没有听懂，什么地方没有听懂。
之后听录音，看课文同步跟读一遍。
然后不看课文文字，听录音做一遍听读训练，借此再检查自己还有什么地方没有听懂。
之后再听录音看课文跟读一遍，然后再合上书不看文字稿听读一遍，再记下自己的听力盲点。
最后一遍再打开书和录音同步跟读一遍。
做完这三遍后，进入第二步。
开始读文章，读文章首先快速通读一遍，练习迅速把握文章主旨和主要细节的能力。
然后开始从第一句开始逐句读，每读一句英文，然后对照看后面的汉语翻译比较自己的理解与翻译有什么不同。
然后记住这些不同，比较理解后，你要记住。
在这里要指出的是，新概念4的汉语翻译中有些内容是有错误的，这点请大家注意。
做完精读训练后，再次重复刚才的听力训练---听读，跟读交替进行至少各5遍以记忆和弥补自己的听力盲点和缺陷，进一步提升自己的听力实力。
这样练习后，这一课就可以暂时放过去了，然后开始下一课。
等一个大单元的16课都这样学完后。
则暂时停止你的学习进度。
开始集中背这16课。
为了将你的背诵痛苦度降低到最低，同时又能高效率的把课文背下来，我不同程度的借鉴了各家学派的背诵方法并结合自己一个月背诵《词汇精选》红宝书单词的经验发明了一个方法，该方法仅供你作为参考。
背诵的具体方法如下：1. 背诵前首先放慢速度仔细体味的将课文读一遍，由于之前已经做过精听，精读的分析，所以课文对你来说已经很熟悉了。
如果不熟悉的话，那只能说明你前面的工作没有做到家，这时候你需要重新做一遍。
别怕麻烦，我可以负责任的告诉你，伟大的事迹的诞生都是这么熬出来的，切记切记！！！2. 读过这一遍后，开始一句一句看后面的中文译文在你的记忆上对课文的每一句话按顺序做汉译英翻译。
(完整版)新概念英语第四册课文详解(L1-25)
Lesson 1 Finding fossil man第一课发现化石人by ROBIN PLACEfrom Finding fossil man1—1。
We can read of things that happened 5,000 years ago in the Near East, where people first learned to write。
【译文】我们能读到五千年前近东发生之事，那里的人最先学会了书写。
【单词和短语】read：此处为不及物动词，意为“读到，获悉”（to find out information from books,newspapers etc。
），后接of或about，例如:He reads about the war. 他读到关于战争的消息。
Did you read of their accident in the newspapers?你在报上看到他们遭遇意外事故的消息了么？5，000 years：五千年.另学习millennium,意为“一千年”，复数为millennia。
5，000 years 即为5 millennia。
the Near East：近东，指地中海东部沿岸地区，包括亚洲西南部和非洲东北部,有时还包括巴尔干半岛。
1—2。
But there are some parts of the world where even now people cannot write.【译文】但时至今日世上某些地方的人还不会书写.【单词和短语】even now:此处意为“甚至到现在”，例如:Even now he won't believe me. 他甚至到现在还不相信我。
even now另有两解,一为“就在此刻”，例如：Perhaps even now the time has arrived。
也许正是此刻时机来到了。
另一为“尽管这样，虽然情况如此”（in spite of what has happened）,例如：I have explained everything,but even now she doesn’t understand.我什么都解释了，但是尽管如此她还是不明白。
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L1 Finding fossil manWe can read of things that happened 5,000 years ago in the Near East, where people first learned to write. But there are some parts of the world where even now people cannot write. The only way that they can preserve their history is to recount it assagas----legends handeddown from one generation of storytellers to another. 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. Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from. The sagas of these people explain that some of them came from Indonesia about 2,000 years ago.But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten. So archaeologists have neither history nor legends to help them to find out where the first'modern men' came from.Fortunately, however, ancient men made tools of stone, especially flint, because this is easier to shape than other kinds. They may also have used wood and skins, but these have rotted away. 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.New words and expressionsrecount /ri'kaunt/ v.叙述/ ' rei'kaunt/ 再数一次record / ' rek[d/ /ri' kC:d/ 第一个音节带重音，名前动后叙述：recount : emotionless 重复describedepict：a little emotionalnarrate：temporal&spacial 根据时间或空间顺序描述。
portray：描述saga /'sa:g[/ n.英雄故事描述的内容mostly real 北欧海盗活动的故事legend /'ledV[nd/ n.传说，传奇unreal e.g robin hood anthropologist/ 'AnWr['pCl[dVist/ n.人类学家anthrop：人philosophere :philo＋sopher|爱＋智慧＝哲学家philanthropist : 慈善家（对人有爱心的人）anthropology :人类学带-gy结尾的都是学科：biology 生物学geography 地理学ecology 生态学remote/ ri'm[ut/ n.遥远ancestor / 'Ansest[/ n.祖先an- 在前面forefather,forebear ，predecessor祖先rot/ rCt/ v.烂掉leave me rot.＝leave me alongrot to death.soon ripe,soon rotten.decay 国家民族逐渐衰亡decompose 逐渐衰竭deteriorate 关系逐渐恶化trace /treis/ n.痕迹，踪迹trace the problemi follow your trace＝i follow where you gopolynesia 波利尼西亚poly-多polyandric: a wife with more than one husbandpolygeny : a husband with more than one wifeflint /flint/ n.燧石flinting heartedfossil / ' fCsl/ n. 化石cobble 鹅卵石read of 读到谈到：speak of ,talk of ,know of,hear ofnear east：近东mediterranean, south europe,north africfar east非限定性从句，表原因oral(spoken) language is earlier than written language.precede :什么在什么之前，不用比较，直接跟名词counterpart: two things or two people have the same position oral(spoken) language is earlier than written counterpart. preserve: 保留，保存（腌制）如果句中有only，那后面的表语结构就要用to do sth,而不是doing sth.storyteller: 讲故事的人fortuneteller, palmreader: 算命先生migration ：移民１）migrant ２）immigrantv. migrate:迁移，迁徙migratory bird:候鸟none: no bodypeople＋s 民族if they had any: 即便是有his relatives,if he had any,never went to visit him when he was hospitalized.find out千方百计，费尽周折＝exploremodern men :the men who were like ourselveshowever－anywhere you want ,加逗号but,yet－不加标点，only at the beginning of the sentence therefore－自由so－自由tool:小工具instrument:实验器械equipment:设备shape:成型；教育，改造may also have:表推测peel:果皮leather:皮革hide:兽皮cowhide:牛皮without (any) trace:无影无踪L 2 Spare that spiderWhy, you may wonder, should spiders be our friends ? Becausethey destroy so many insects, and insects include some of the greatest enemies of the human race. Insects would make it impossible.for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals. We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders. Moreover, unlike some of the other insect eaters, spiders never do the least harm to us or ourbelongings.Spiders are not insects, as many people think, nor even nearly related to them. One can tell the difference almost at a glance for a spider always has eight legs and an insect never more than six. How many spiders are engaged in this work on our behalf ? One authority on spiders made a census of the spiders in a grass field in the south of England, and he estimated that there were more than 2,250,000 in one acre, that is something like 6,000,000 spiders of different kinds on a football pitch. Spiders are busy for at least half the year in killing insects. It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day. It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.T. H. GILLESPIE Spare that Spider from The ListenerNew words and expressions flocks and herds 牛群和羊群／flCk/ the birds of the same feather flock together.物以类聚，人以群分you are the same flock.也可指人herd多指牛群cowherd cowboythrong and crowd swarmowe vt.感激欠i owe you. i owe you a big favor. 欠issueoblige indebt appreciate----常用口语词正式：grateful thankfulbeast n 兽形容人野蛮无比，不能用animal 形容creature可以指小孩，女人，不用于男性．Fraction 小部分分数，小数a fraction of rice will sufficeon one＇s behalf 代表．．．利益I beat you on your behalf.我打你是为你好 on behalf of somebody /somethinge.g on behalf of chinese government on behalf of ＝represent authority /C:＇WCriti/ n.权威 authorize批准 authoritative权威性的 authoritarian独裁的－tarian带有这种词缀的词都是坏词 dictator独裁者 dictatorial 独裁的authorities １．权威（可单数可复数）２．当局（复数）census /sens[s/ n.统计数据 the fifth national population census. censor审查censorious 挑剔的，挑刺的acre /＇eik[/ n.英亩１acre＝４０４７square metersfootball pitch 足球场 football yard football court football field be content with 满足于满足作表语，不能出现定语结构He is content with status quo.contented heart :心满意足的人spare /spZ[/ v. 不伤害，宽恕 spare me He doesn't spare himself.I spare no efforts to learn english.( spare no efforts: 不遗余力作什么)Notes on the textwhy, you may wonder－you may wonder why插入语先不管插入语，弄清句子结构you may wonder why spiders should be our friends？插入语位置不固定why以疑问句开头why,you may wonder,the problem of pollution befalls human bein gs.why,you may wonder,one of my friends is so kindhearted.destroy程度比damage要重得多，片甲不留，消灭光tear into piecesgreatest enemies:天敌 dying enemy crying enemydear enemyhuman race:人的种族，一般不加复数，表示一个总称词impossible 和possible 永远不要以人开头It is impossible for somebody to do something.likely可以以人做主语。