最值得背诵的美文

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适合朗诵的文章美文(精选20篇)

适合朗诵的文章美文(精选20篇)

适合朗诵的文章美文(精选20篇)适合朗诵的文章美文 1走在树林间,一片树叶缓缓落下,这是一片没有虫眼的叶子,可是已经干瘪且泛黄,显得无比脆弱。

叶子上的茎纵横交错,好像记载了数不完的故事,但是从它离开枝干开始,那些或许还能发展的故事也只能就此停止。

看到这一幕的人可能会感到些许伤感,踩在软软的落叶上,不敢向前,因为每走一步静止的树叶都会发出生命的呐喊。

此刻想屏住呼吸,让四周静得只听见风吹过的声音,却看见一阵风卷起地上的几片树叶,又吹落树上的几片树叶,一片片叶子随风而起又随风而落,时而像漩涡般,时而又静若死水,全然不知何时再来一阵风,也不知下一阵风会带去何处。

就像每个人的人生随着社会的潮流,时而潮起时而潮落,再加上卸下电池也无法停止的时间总提醒我们,人的生命也会有一天枯黄脆弱不堪一击,人生的故事也不知会在何时突然落笔。

秋天的阳光通过树叶的缝隙见证着这一切,却不像春天的`阳光躲躲闪闪任凭着春雨哭哭啼啼,秋天的阳光比春天的坚强,秋天的景比春天多一份感悟。

适合朗诵的文章美文 2诵读经典,感悟成长。

经典像颗闪耀的星,让懵懂天知的我们明理,努力。

经典让我们像诗的一朵奇葩,让身处逆境的我们警悟,奋进。

经典,宛如一串珍珠,让我们在阅读经典的同时感受到它的光泽和美丽。

经典,似那淡蓝的海,让天真无邪的我们伫首聆听他的低吟浅唱。

对于经典,我就有一种莫名亲切感,所以便与经典结下不解之缘。

小时候,我偏爱的是童话《安徒生童话》带我领略社会的黑暗与人心的温暖,《格林童话》带我领略世界的变迁,《贝诺童话》、《豪夫童话》和《王尔德童话》等的故事情节令人着迷。

等到再大一些,随着年龄和知识的'增长,我开始阅读小说《红楼梦》中曲折宛转的故事情节;高尔基《童话》中的人物命运使人落泪;罗贯中的《三国演义》中各路英雄的豪情壮志,《钢铁是怎样炼成的》中的保尔何察金勇敢无畏。

而现在,我渐渐被一些古典诗词所吸引。

李白“黄河之水天上来,奔流到海不复回”大气苍凉;“明月松间照,清泉石上流”的幽默;“同是天漄沦落人”的伤感;苏轼“但愿人长久,千里共婵娟”的柔情。

值得背诵的美文诗集

值得背诵的美文诗集

值得背诵的美文诗集1.《面朝大海,春暖花开》,海子:海子是一位极具传奇色彩的诗人,在他短暂的一生中,给我们留下了无数篇优美的诗歌作品,海子也成为了最受人欢迎的诗人之一,他的赤子之心,他的响亮呐喊,早已经成为无数人心中的传奇。

2.《顾城的诗顾城的画》,顾城:顾城的诗,总是能够带给我们出乎意料的美和感动,他以孩子般的心,照亮了我们内心,“我想在大地上,画满窗子,让所有习惯黑暗的眼睛,都习惯光明”,顾城,便是那个为我们画窗子的人。

3.《纵然你有柔情,我有眼泪》,戴望舒:节奏鲜活,风格清新,不刻意的去雕琢和修饰,有一些散文风,有一些小惊喜。

在这本诗集中,既有戴望舒的个人情感抒发,又有对生命力的热切赞美,还有理想和现实的矛盾。

4.《徐志摩诗全集》,徐志摩:徐志摩写了很多诗,他的许多诗也十分深入人心,这是徐志摩的一部诗歌全集,几乎包括了他的所有作品,有《志摩的诗》、《猛虎集》、《翡冷翠的一夜》、《云游》和《集外集》五个部分,前四部是他的诗集,最后的《集外集》是一些未收录到他集子中的诗歌作品。

5.《你有理由等待更美好的继续》,林徽因:这是才女林徽因的经典诗集作品。

相信林徽因的大名很多人都是知道的,她是最为著名的才女之一,她人美,也有才气,这部集子,便是她诗歌的精华,收录了她的许多名篇。

文字很淡雅,容易让人引起共鸣。

6.《在天涯》,北岛:相信北岛的诗也是我们所熟悉的,比如《回答》、《一切》等著名的篇章,他的诗歌冷峻中带有强烈的思辨精神和批判精神,他讨论着人类的价值和真理。

北岛是朦胧派的著名代表作家之一,也是最值得阅读的诗作家之一。

7.《舒婷诗》,舒婷:朦胧诗派另一位有分量的代表诗人,其许多作品都已经成为了朦胧诗的经典,这部诗集收录了其一百多篇代表作,舒婷以她独特的女性细腻和浪漫,让我们能够更加深入的体味到人生的种种感悟。

8.《郑愁予的诗》,郑愁予:“我达达的马蹄是美丽的错误,我不是归人,是个过客”,好美的句子,好让人意外的句子。

适合小学生背诵的精选经典美文篇目

适合小学生背诵的精选经典美文篇目

适合小学生背诵的精选经典美文篇目
1. 《小蝌蚪找妈妈》
这是一篇经典的启蒙故事,讲述了一个小蝌蚪寻找妈妈的故事。

通过这个故事,小学生可以研究到亲情的重要性,同时也培养了他
们对冒险和坚持的勇气。

2. 《丑小鸭》
这是一篇著名的童话故事,讲述了一个丑小鸭最终成为美丽天
鹅的故事。

通过这个故事,小学生可以研究到相信自己的力量,不
要被外界的评价所左右。

3. 《孔子和他的弟子》
这是一篇关于孔子和他的弟子的故事。

通过这个故事,小学生
可以了解到孔子对待学生的教育态度,研究到尊师重道的重要性。

4. 《小红帽》
这是一篇经典的童话故事,讲述了一个小女孩与大灰狼的故事。

通过这个故事,小学生可以研究到警惕陌生人的重要性,并且了解
到自己应该如何应对危险情况。

5. 《国旗下的誓言》
这是一篇关于国旗下的誓言的文章,讲述了小学生们面对国旗,庄严宣誓的情景。

通过这篇文章,小学生可以了解到爱国精神的重
要性,培养他们对祖国的热爱之情。

6. 《小兔子乖乖》
这是一首经典的童谣,讲述了小兔子乖乖吃萝卜的故事。

通过
这首童谣,小学生可以研究到良好的饮食惯和自律的重要性。

7. 《早安歌》
这是一首愉快的早安歌,通过歌曲的方式祝愿大家早上好。


过这首歌,小学生可以提前进入愉快的研究氛围,开启美好的一天。

这些经典美文篇目适合小学生背诵,希望能够帮助他们提高语
言表达能力,培养他们的美感和智慧。

小学生必背的经典美文(通用35篇)

小学生必背的经典美文(通用35篇)

小学生必背的经典美文小学生必背的经典美文(通用35篇)好散文是美文,好诗歌是美文,好小说是美文,好论文是美文,一条写得好的手机短信,或一段能让人会心而笑的笑话也是美文,用通俗的讲法,写的好的文章,就是美文。

下面是小编分享的小学生必背的经典美文(通用35篇),欢迎大家阅读!小学生必背的经典美文篇1不能设想,古罗马的角斗场需要重建,庞贝古城需要重建,柬埔寨的吴哥窟需要重建,玛雅文化遗址需要重建。

这就像不能设想,远年的古铜器需要抛光,出土的断戟需要镀镍,宋版图书需要上塑、马王堆的汉代老太需要植皮丰胸、重施浓妆。

只要历史不阻断,时间不倒退,一切都会衰老。

老就老了吧,安详地交给世界一副慈祥美。

假饰天真是最残酷的自我糟践。

没有皱纹的祖母是可怕的,没有白发的老者是让人遗憾的;没有废墟的人生太累了,没有废墟的大地太挤了,掩盖废墟的举动太伪诈了。

还历史以真实,还生命以过程。

——这就是人类的大明智。

当然,并非所有的废墟都值得留存,否则地球将会伤痕斑斑。

废墟是古代派住现代的使节,经过历史的挑剔和筛选。

废墟是祖辈曾经发动过的壮举,会聚着当时的力量和精粹。

废墟是一个磁场,一极古代,一极现代,心灵的罗盘在这里感应强烈。

失去了磁力就失去了废墟的生命,它很快就会被人们淘汰。

小学生必背的经典美文篇2在这个世界上,有的人信神,有的人不信,由此而区分为有神论者和无神论者、宗教徒和俗人。

不过,这个区分并非很重要。

还有一个比这重要得多的区分,便是有的人相信神圣,有的人不相信,人由此而分出了高尚和卑鄙。

一个人可以不信神,但不可以不相信神圣。

是否相信上帝、佛、真主或别的什么主宰宇宙的神秘力量,往往取决于个人所隶属的民族传统、文化背景和个人的特殊经历,甚至取决于个人的某种神秘体验,这是勉强不得的。

一个没有这些宗教信仰的人,仍然可能是一个善良的人。

然而,倘若不相信人世间有任何神圣价值,百无禁忌,为所欲为,这样的人就与禽兽无异了。

相信神圣的人有所敬畏。

文学_适合背诵的经典美文

文学_适合背诵的经典美文

适合背诵的经典美文适合背诵的经典美文(一)学会简单,才是对生命的善待这大千世界,多像是一个喧嚣浮躁的舞台,芸芸众生在这里上演着各自的故事,其实,我们都是凡尘阡陌的过客,不论怎样的精致,最终不过是一粒尘埃。

唯有善良宽厚,忠于内心的本真,简单的快乐着,才是对生命的善待。

人生的旅途,有太多形形色色的人,而绝大多数注定是平凡人。

朝迎日出,暮送斜阳,在淡如微风的模式里过完这一生,甚至,在岁月的长河中根本溅不起浪花,纤细的如沧海一粟。

但他们曾经风尘仆仆的来过,即使在喧闹的氛围里只是一个小角色,也会于平淡中寻找乐趣,质朴中经营快乐,用着一种浅淡的笑容成就起自己的精致。

时光流转,任谁都在前行,哪怕行走的过程中,显得有点孤意,那也是灵魂对自我的一种放逐。

只要慢慢的润色,入味,沉淀,从而品出属于自己的那一份绵长。

所以,每个人的一生都是一盏茶,不求多昂贵,不必太奢华,懂得品味,长远持善,才是最重要。

似乎,一脚踏着尘埃,一脚踩着云水,我们经历的越多,对生命的体悟也会越深,很多的时候,即便命运也会有不公和艰辛,我们的心依然要保持快乐和简单。

以尊重悦然去欣赏所有,走过繁华,走过最美的风景,即使无人喝彩,也要坚持自己的脚步。

纵然寂寞,纵然孤独,也要始终相信,所有的选择都不会辜负,都将在云淡风轻时给予一一的回报。

人生,不论是繁华或沉寂,都是自己缔造的蔚蓝天空,有属于自己的精彩。

只要心存美好,就能寻觅到幸福的港湾,所以,我们只需按照自己内心设定的轨迹行走,别人的眼神,善意或恶意,都不是自己应该关注的范围。

莫言在《檀香刑》里写到:世界上的事情,最忌讳的就是个十全十美,你看那天上的月亮,一旦圆满了,马上就要亏厌;树上的果子,一旦熟透了,马上就要坠落。

凡事总要稍留欠缺,才能持恒。

每一个人,行于尘,立于世,无法做到十全十美,更加无法做到人人都赞许。

可如果坚持做喜欢的自己,终会遇见喜欢你的人,收获时感激,遭遇谩骂、嘲讽、冷眼时微笑迎对,淡然处之。

适合小学二年级背诵美文13篇

适合小学二年级背诵美文13篇

适合小学二年级背诵美文13篇
背诵美文是提高学生语言能力和情感表达能力的一种有效方法。

以下是适合小学二年级背诵的13篇美文:
1. 《清晨的小鸟》:描述小鸟清晨的欢快歌唱,激发孩子们对
大自然的热爱之情。

2. 《勤俭节约》:告诉孩子们要珍惜食物和资源,培养良好的
节约惯。

3. 《爸爸的微笑》:讲述爸爸的微笑给孩子带来的温暖和鼓励。

4. 《友谊的力量》:强调友谊的重要性,鼓励孩子们友爱互助。

5. 《勇敢的小猫》:描绘小猫克服困难和恐惧的故事,鼓励孩
子们勇敢面对挑战。

6. 《感恩之心》:教导孩子们要心存感恩,珍惜身边的人和事。

7. 《绿色的力量》:介绍环保意识,倡导保护环境。

8. 《蜗牛的故事》:讲述蜗牛顽强奋斗的精神,鼓励孩子们不放弃。

9. 《美丽的音乐》:展示音乐的魅力,启发孩子们对音乐的热爱。

10. 《守护小动物》:呼吁孩子们保护小动物,尊重生命。

11. 《夏天的乐趣》:描述夏天的快乐活动,激发孩子们对假期的期待。

12. 《小火车的旅行》:生动描绘小火车旅行的场景,带给孩子们想象空间。

13. 《成为好学生》:鼓励孩子们努力研究,培养良好的研究惯和品质。

这些美文既能培养孩子们的语言能力,又能启发他们的思维,帮助他们树立正确的价值观和人生观。

文辞优美适合背诵的文章

文辞优美适合背诵的文章

文辞优美适合背诵的文章
轻吟流年,细数忧伤。

倚窗而望,陌上红尘,散落着你的、我的,梦的碎片。

铅华洗尽,无意将伤痕暴露。

于是情不自禁地痴迷梦境,只为重逢那个失落的魂魄。

回首流年,蝶梦浮生。

一些绚烂一些惆怅,一些偏执一些摇摆。

经年重逢,若念若离,香笺小语,落字成殇。

捧一卷诗书,品一杯香茗,听一曲梵唱,那些忧伤,融化在春季阳光最明媚那一天,我用文字印证着它存在过的痕迹。

一片片回忆如残叶随风飘落,落在我肩上,落尽我眸中。

拾起一段回忆,却拾不起那遗落在风中的经年。

将那抹剪影,定格于岁月的流
苏中,悠远、绵长。

犹忆流年,斜屏半倚。

轻罗小扇,逐不尽镶嵌在那些画面上的相思,一缕缕,一段段,如心曲般的在内心深处萦绕,细碎而诗意。

总希望能徘徊于悠悠的岁月中,独酌欢乐并将忧愁扔到天涯海角,却不知回忆绵绵,落寞了谁的似水年华?苍白了谁的无尽等待?空留我陷入深深地执念中,无法自拔。

流年错,繁花落,心字烬,独寂寥。

品味流年,烟花倾城。

一只孤雁滑过天空,而我依然行走在时光的缝隙里,不知该以何种文字去描绘那些华丽的-忧伤’。

轻轻撷一段思念,在眼前滑落,相思溢于眉间,爱恨情
愁随了流云散去。

美文背诵200字

美文背诵200字

美文背诵200字
美文(一):
看不见凄美的凋零,嗅不到忧郁的暗香,虽然有些眷恋,但是身边的风景,却把思绪牵引至眼前。

走吧,散吧,消失吧,重现吧。

就让岁月的风主宰吧!不是一切都能够丢在风里,不是所有的都能在梦中演绎,生活的船即便是迷失航行,也在不断地前进。

叶落有枝,花谢孕子,水过留痕,更替中的景色,将生命的轨迹娓娓道来!渐渐地,我懂了。

岁月的风,所到之处都是有梦的地方!梦,不仅仅仅是完美的回忆,也不仅仅仅是虚幻的畅想,梦,是创造奇迹的摇篮,是引领生命繁衍前行的航标!
美文(二):
我们习惯了用一张哭泣的脸去应对一天的开始,却忘记了还能够用笑脸迎接每一天的光临。

就像向日葵一样,每一天最期盼的就是太阳出来的时刻,正因最后能够追逐阳光,摆脱黑暗,最后能够享受温暖,驱赶寒冷。

当我们能够期盼明天,笑着应对一天的开始时,就已经战胜了那个想要逃避生活的自己了。

新的一天开始了,我们就要用最灿烂的笑容来应对;一天结束的时候,我们就要沉下心来反省总结这一天自己的表现,给自己订下目标和计划,然后闭上眼睛期盼明天的到来。

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Recommended articles for recitation1. Companionship of BooksA man may usually be known by the books he reads as well as by the company he keeps; for there is a companionship of books as well as of men; and one should always live in the best company, whether it be of books or of men.A good book may be among the best of friends. It is the same today that it always was, and it will never change. It is the most patient and cheerful of companions. It does not turn its back upon us in times of adversity or distress. It always receives us with the same kindness; amusing and instructing us in youth, and comforting and consoling us in age.Men often discover their affinity to each other by the love they have each for a book. The book is a truer and higher bond of union. Men can think, feel, and sympathize7 with each other through their favorite author. They live in him together, and he, in them.A good book is often the best urn of a life enshrining the best that life could think out; for the world of a man’s li fe is, for the most part, but the world of his thoughts. Thus the best books are threasuries of good words, the golden thoughts, which, remembered and cherished, become our constant companions and comforters.Books possess an essence of immortality. They are by far the most lasting products of human effort. Temples and statues decay, but books survive. Time is of no account with great thoughts, which are as fresh today as when they first passed through their authors’ minds, ages ago. What was then said and thought still speaks to us as vividlyas ever from the printed page.Books introduce us into the best society; they bring us into the presence of the greatest minds that have ever lived. We hear what they said and did; we see them as if they were really alive; we sympathize with them, enjoy with them, grieve with them; their experience becomes ours, and we feel as if we were in a measure actors with them in the scenes which they describe.—Samuel Smiles2. PeaceToday we seek a moral basis for peace. It cannot be a real peace if it fails to recognize brotherhood. It cannot be a lasting peace if the fruit of it is oppression or starvation, or cruelty or human life dominated by armed camps. It cannot be a sound peace if small nations must live in fear of powerful neighbors. It cannot be a moral peace if freedom from invasion is sold for tribute. It cannot be an intelligent peace if it denies free passage to that knowledge of those ideals which permit men to find common ground. It cannot be a righteous peace if worship of God is denied.Peace, no less than war, must offer a spirit of comradeship, a spirit of achievement, a spirit of unselfishness, and indomitable will to victory.Peace, no less than war, must offer a spirit of comradeship, a spirit of achievement, a spirit of unselfishness, and indomitable will to victory.Peace can endure only so long as humanity really insists upon it, and is willing to work for it and sacrifice for it.—Franklin D. Roosevelt3.To SpringOh you, sweet Spring, aligh t from cherub’s wing,And put the ugly winter full to flight;And rouse the earth to smile, and larks to sing,With skies so bright and hearts of youth so light.Your gentle and genial breaths each blossom blow,While bees in gardens hum the lullabies.The hills and dales are stripp’d of mantles of snow,And streams and rivers freed from irons of ice.May seasons all be Spring—the pride of years,That all the things would e’er in glories gleam!May men be ever in the prime of years!But dream, however sweet, is but a dream.If happy when you come and sad when gone,Would that you’d never come or never gone!By Henry Wadsworth Longfellow4.NightNight has fallen over the country. Through the trees rises the red moon, and the stars are scarcely seen. In the vast shadow of night the coolness and the dews descend. I sit at the open window to enjoy them; and hear only the voice of the summer wind. Like black hulks, the shadows of the great trees ride at anchor on the billowy see of grass. I cannot see the red and blue flowers, but I know that they are there. Far away in the meadow gleams the silver Charles①. The tramp of horses’ hoofs sounds from the wooden bridge. Then all is still save the continuous wind of the summer night. Sometimes I know not if it be the wind or the sounds of the neighboring sea. The village clock strikes; and I feel that I am not alone.How different it is in the city! It is late, and the crowd is gone. You step out upon the balcony, and lie in the very bosom of the cool, dewy night as if you folded her garments about you. Beneath lies the public walk with trees, like a fathomless, black gulf, into whose silent darkness the spirit plunges, and floats away some beloved spirit clasped in its embrace. The lamps are still burning up and down the long street. People go by with grotesque shadows, now foreshortened, and now lengthening away into the darkness and vanishing, while a new one springs up behind the walker, and seems to pass him revolving like the sail of a windmill. The iron gates of the park shut with a jangling clang. There are footsteps and loud voices;—a tumult;—a drunken brawl;—an alarm of fire;—then silence again. And now at length the city is asleep, and we can see the night. The belated moon looks over the roofs, and finds no one to welcome her. The moonlight is broken. It lies here and there in the squares, and the opening of the streets—angular like blocks of whit e marble.By Nathanial Hawthorne①the Charles: 美国马萨诸塞州的一条河流5.The Road Not TakenBy Robert FrostTwo roads diverged in a yellow wood,And sorry I could not travel bothAnd be one traveler, long I stoodAnd looked down one as far as I couldTo where it bent in the undergrowth;Then took the other, as just as fair,And having perhaps the better claim,Because it was grassy and wanted wear;Though as for that the passing thereHad worn them really about the same,And both that morning equally layIn leaves no step had trodden black.Oh, I kept the first for another day!Yet knowing how way leads on to way,I doubted if I should ever come back.I shall be telling this with a sighSomewhere ages and ages hence:Two roads diverged in a wood, and I –I took the one less traveled by,And that has made all the difference.6.Smile of the EarthAll over my garden I’ve planted nothing but roses, fragrant and --- If looked at from afar---ablaze with colour like sunset clouds. I would be very happy if any one of my visiting friends should desire to pick and take some for their homes. I trust that any friend of mine carrying the roses would vanish into the distance feeling that his emotion had been rekindled.A close friend came for a visit the other day. I know her to be a lover of flowers and plants, and for that reason I told her at her departure that she should pick a bunch of roses to decorate her boudoir.I promised that the scent of the roses would be wafted far, far away.That girl friend of mine, tiptoeing into the garden in high spirits, sniffed here and smelt there, but in the end she didn’t pick a single rose. I said there were so many of them that she could pick as many as she’d like to; I told her that I was not a florist and didn’t make a living out of them. Whilesaying so I raised the scissors for the sacrifice of the flowers, but she vehemently stopped me, crying no, no, no!To cut such beautiful roses would hurt one, she said. With her hands clutching at my sleeves, she told me that by no means should they be cut. Roses are the smiling face of the earth, and who could be so iron-hearted as to destroy a smile so exhilarating?My mind was thoroughly boggled: the ugly earth, the humble earth, the plain earth--- it is only because of the roses that it reveals an amazing and bright smile, and it is for the sake of that smile that it wins the care and pity of men.Of late a friend of mine invited me to appreciate a Tang Dynasty vase that he was fortunate enough to have bought at an auction. The vase, with its slim neck, plump body, and fine little flowers on a blue and white background, has a noble shape and a rich colouring, elegant, refined, proud, poised, and supercilious, an extreme embodiment of the prosperity of the Tang Dynasty. I was filled with wonder to think that while everyone present was taking great care not to cause the slightest damage to the Tang treasure, it was to me nothing but an object made of clay. It had only become a piece of classic art after being baked in a china kiln.Both the exquisiteness of the boccaro teapots made in south China, and the shockingly beautiful sculptures by Clay Sculptor Zhang of Tianjin---aren’t they all smiles of the earth? They are such exquisite treasures that --- even if they look ugly, humble, plain, or whatever --- they no doubt deserve respect and veneration.Now I understand that no-one, however ordinary, should be condemned to anonymity, and that anyone who adds a dash of colour to life deserves our respect.7.HomeWhat makes a home? Love and sympathy and confidence. It is a place where kindly affections exist among all the members of the family. The parents take good care of their children, and the children are interested in the activities of their parents. Thus all of them are bound together by affection, and they find their home to be the cheeriest place in the world.A home without love is no more a home than a body without a soul is a man. Every civilized person is a social being. No one should live alone. A man may lead a successful and prosperous life, but prosperity alone can by no means insure happiness. Many great personages in the world history had deep affections for their homes.Your home may be poor and humble, but your duty lies there. You should try to make it cheerful and comfortable. The greater the difficulties, the richer will be your reward.A home is more than a family dwelling. It is a school in which people are trained for citizenship.A man will not render good service to his country if he can do nothing good for his home; for in proportion as he loves his home, will he love his country. The home is the birthplace of truepatriotism. It is the secret of social welfare and national greatness. It is the basis and origin of civilization.8.Choice of CompanionsA good companion is better than a fortune, for a fortune cannot purchase those elements of character which make companionship a blessing. The best companion is one who is wiser and better than ourselves, for we are inspired by his wisdom and virtue to nobler deeds.“Keep good company, and you shall be one of the number,” said George Herbert. “A man is know by the company he keeps.” Character makes character in the associations of life faster than anything else. This fact makes the choice of companions in early life more important even than that of teachers and guardians.Companionship is education, good or bad; it develops manhood or womanhood, high or low; it lifts the soul upward or drags it downward; it ministers to virtue or vice. Sow virtue, and the harvest will be virtue. Sow vice, and the harvest will be vice. Good companions help us to sow virtue; evil companions help us to sow vice.—William Makepeace Thayer9.ElectricityThe modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When there is a power failure, people grope about in flickering candlelight, cars hesitate in the streets because there are no traffic lights to guide them, and food spoils in silent refrigerators.Yet, people began to understand how electricity works only a little more than two centuries ago. Nature has apparently been experimenting in this field for million of years. Scientists are discovering more and more that the living world may hold many interesting secrets of electricity that could benefit humanity.All living cell send out tiny pulses of electricity. As the heart beats, it sends out pulses of record; they form an electrocardiogram, which a doctor can study to determine how well the heart is working. The brain, too, sends out brain waves of electricity, which can be recorded in an electroencephalogram. The electric currents generated by most living cells are extremely small –often so small that sensitive instruments are needed to record them. But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all. When large numbers of these cell are linked together, the effects can be astonishing.The electric eel is an amazing storage battery. It can seed a jolt of as much as eight hundred volts of electricity through the water in which it live. ( An electric house current is only one hundred twenty volts.) As many as four-fifths of all the cells in the electric eel’s body are specialized for generating electricity, and the strength of the shock it can deliver corresponds roughly to length of its body.10.Scientific TheoriesIn science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of this is found in the kinetic molecular theory, in which gases are pictured as being made up of many small particles that are in constant motion.A useful theory, in addition to explaining past observations, helps to predict events that have not as yet been observed. After a theory has been publicized, scientists design experiments to test the theory. If observations confirm the scienti st’s predictions, the theory is supported. If observations do not confirm the predictions, the scientists must search further. There may be a fault in the experiment, or the theory may have to be revised or rejected.Science involves imagination and creative thinking as well as collecting information and performing experiments. Facts by themselves are not science. As the mathematician Jules Henri Poincare said, ―Science is built with facts just as a house is built with bricks, but a collection of facts cannot be called science any more than a pile of bricks can be called a house.‖Most scientists start an investigation by finding out what other scientists have learned about a particular problem. After known facts have been gathered, the scientist comes to the part of the investigation that requires considerable imagination. Possible solutions to the problem are formulated. These possible solutions are called hypotheses.。

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