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正沉浸在歡樂時光里的法國孩子們，突然收到了一份“驚心動魄”的愛心禮物：
克萊因瓶是一個不可定向的二維緊流形，而在自己位列三公的時候，“上人寵，下人擁”，他也說“非吾貴也，乃時也運也命也”。如果身處命運低谷，那是運氣的作用，自己并不懷憂喪志，也不焦慮急躁，而是繼續奮發，等待天道轉到自己的身上，走向巔峰；如果生命正處于順心順意的階段，那也要推之于運氣，以使自己永葆對命運的敬畏之心，謙虛前行，持盈保泰，貞固已有的成果，乃至再上臺階。這應該是對待運氣最好的心態。;Riviere des Algoumequins,' as he called it. About two years before he took the trip he sent Nicholas de Vignan, a young Frenchman, up the river with some friendly Indians, and Nicholas had returned with the marvellous story that he had reached the North Sea. He said that the journey could be made in a few days. He also gave an account of having seen the wreck of an English ship. "Champlain was completely taken in, and lost no time in starting off to verify the discovery for which the world had been looking for some time. His fleet consisted of two canoes with two Indians and three Frenchmen, one of whom was De Vignan. It was in May, when the river was at its height. When they reached the Gatineau the Indians told him that their tribe were often compelled to conceal themselves amid the hills of the Upper Gatineau from their dreaded enemies, the Iroquois. When Champlain beheld the twin curtain falls yonder, 'like a slow dropping veil of the thinnest lawn,' he exclaimed, 'Le Rideau! Le Rideau!' The Indians told him that the waters formed an arcade under which they delighted to walk, and where they were only wet by the spray. As they rounded the lofty headland opposite he saw the cloud of mist rising from the falls, which the Indians called the 'Asticou,' which means 'Chaud人生要靠實力，有時候，還需要運氣。順治帝正值盛年，卻患上了當時幾乎是不治之癥的重病——天花。他病得越來越嚴重，已經可以預見自己的死亡。于是他急著立遺囑，確立皇位繼承者。他準備立自己的堂兄，也就是當時已經長大成人的安親王岳樂。順治最信任的西洋大臣湯若望卻告訴他不必這樣立，因為他的兒子中就有能夠勝任的人——愛新覺羅玄燁。后世史官寫到這里的時候，都會深情回望某一年，發生過一段美好的往事：康熙帝玄燁六歲的時候，曾經偕同自己的兄弟向父皇問安。順治看到自己這一系人丁興旺，非常安慰，循例問了一下他們各人的志向。皇二子福全說：“愿為賢王。”到了主角玄燁，他說：“愿效法父皇。” 父皇即是賢皇，深諳說話之道的玄燁一石二鳥，顯得更加高明。“世祖（順治）異焉。”他果然是湯若望所說的合適人物。以上記載，出自《清史稿·圣祖本紀》。但即使康熙少年時已經英明神武，他繼位的原因卻極可能只是因為運氣夠好。湯若望之所以向順治推薦玄燁當皇帝，原因很簡單：因為玄燁生過天花，而且居然沒死，以后都沒有再得天花的可能。別的不說，至少皇位的穩定性是可以確保的。如果推薦其他人，沒準跟順治一樣，沒過幾年就撒手人寰，這對于帝國的穩定當然不是好事。順治帝深以為然。滿洲貴族上馬可殺敵，下馬可治國，但對于天花這樣的傳染病，一點辦法都沒有，八旗子弟不知有多少人已經死于此病。玄燁之所以能夠存活下來，除了運氣好，鬼才知道是怎么回事。一個人的實力很重要，可是如果只有實力沒有一點運氣加持，少不免會落得個懷才不遇、幽憤滿懷的結局。所謂人生贏家，大抵不過集合了“天時that he paddled as near as possible to the falls, when the Indians took the canoes and the Frenchmen and himself carried their arms and provisions. He described with great feeling the sharp and rugged rocks of the portages to pass the falls and rapids until at last, in the afternoon, they embarked upon the peaceful waters of a lake where, he said, there were very beautiful islands filled with vines and with walnut and other agreeable trees." "There are no walnuts on the islands of Lake Chaudiere," interrupted Bearie, "I am quite sure." "He probably saw a butternut tree," said young Louis Joseph, "and thought it produced walnuts." "Champlain's journey came to an abrupt close a few days afterwards," said Mr. Papineau, "when he reached Allumette Island, about seventy miles fa人生要靠實力，有時候，還需要運氣。順治帝正值盛年，卻患上了當時幾乎是不治之癥的重病——天花。他病得越來越嚴重，已經可以預見自己的死亡。于是他急著立遺囑，確立皇位繼承者。他準s supply of hemp and timber, owing to the ports of the Baltic having been closed to British ships. The price of hemp having risen from ￡25 to ￡118 per ton, they undertook the cultivation of it, and raised over three-fourths of the amount raised in Lower Canada at that time. The exportation of lumber and vegetable alkali, or potash, were also great sources of revenue. In the new clearances were tons of wood ashes from which the lye was extracted and boiled till it looked like molten iron, a barrel of which sold at that time for thirty dollars. Prosperity and success crowned every commercial enterprise upon which they ventured until fire swept every mill, factory and dwelling in the thriving little village out of existence, including thousands of dollars in cash in a small safe in the office, quantities of wheat, hemp, sawn lumber, laths and general merchandise. As there was no compensation in the way of insurance, the loss was much felt. Philemon Wright was not the man to be deterred from climbing the ladder of success, even though he had to mount it by the rungs of adverse circumstances. Though the loss sustained was great, almost overwhelming, he rose above it with a courage which yielded not to disappointment or failure. The cause of the fire long remained a mystery. That it was the work of an incendiary was beyond question. Various theories were advocated by the settlers, but suspicion rested upon Machecawa, who, it was alleged, had been seen by the bookkeeper at a late hour lingering about the mills, a suspicion which gained no credence with the Chief and his family.陽系的周圍還包裹著一個龐大的“奧爾特云”。星云內分布著不計其數的冰塊、雪團和碎石。其中的某些會受太陽引力影響飛入內太陽系，這就是彗 [76] 在超新星爆發的過程中所釋放的能量，需要我們的太陽燃燒900億年才能與之相當。[77] 超新星研究有著關乎人類自身命運的深層意義。如果一顆超新星爆發的位置非常接近地球，目前國際天文學界普遍認為此距離在100光年以內，它就能夠對地球的生物圈產生明顯的影響，這樣的超新星被稱為近地超新星。有研究認為，在地球歷史上的奧陶紀大滅絕，就是一顆近地超新星引起的，這次滅絕導致當時地球近60%的海洋生物消失。[78]
克萊因瓶是一個不可定向的二維緊流形，而球面或輪胎面是可 克萊因瓶 克萊因瓶 定向的二維緊流形。如果觀察克萊因瓶，有一點似乎令人困惑－－克萊因瓶的瓶頸和瓶身是相交的，換句話近代科學興起的先驅者、是捍衛科學真理并為此獻身的殉道士。有另一種說法認為，近代以來關于羅馬梵蒂岡的地心說和哥白尼的日心說的斗爭是被嚴重夸大的。布魯諾1600年遭受火刑的原因，并非因知行星圍繞太陽作圓周運動。然而，人們是否能接受哥白尼提出的新的宇宙模式呢？全世界的人——尤其是權力極大的天主教會是否相信太陽是宇宙中心這一說法呢？由于害怕教會的懲罰，哥白尼在世時不敢公開他的發現。1543年，這一發現才公諸天下。即使在那個時候，哥白尼的發現還不斷受到教會高無上的真理，凡是違背圣經的學說，Eighteen months passed. The Chief was in Quebec with Hannah and Abbie awaiting the arrival of Rug, who had been sent by his father to the Mother Land to dispose of two cargoes of timber. It was an unusually cold evening in June. Snow had been falling all day. The neighboring hills were covered with largerchie in a sheltered nook, seated upon a coil of rope, playing his violin, apparently oblivious of our perilous condition. "For two days the work at the pumps was a matter of life and death, and when at last the wind subsided we drifted about helplessly until a passing vessel saw our signals of distress and towed us from the Bay of Biscay to Bristol, where the necessary repairs were made to enable us to proceed to Liverpool. We soon disposed of the timber at good profit, and Jonathan, Archie and I took the stage-coach for London, where we had the honor of being presented at Court to gay Prince Geordie, who is acting as Regent, owing to his father's mental derangement. I wish you could have seen the Carleton House," he said, turning to Hannah. "He built it at a cost of ￡250,000 sterling, and had to sell his stud of race-horses and discharge most of his servants to meet the demands of the creditors, for he had led such a wild, dissipated life that the King and Parliament refused for a long time to help him out of his difficulties. "We visited many places of interest in London and the old farm in Kent, which we found bordered on that of General Wolfe. Then we crossed to France, and after having with great difficulty secured passports, drove to Paris. "If we had arrived on the scene only a few months sooner we might have seen how Napoleon turned Louis XVIII. from the kingdom, or we might have seen the great battle of Waterloo; but Napoleon is now safe at St. Helena, where he was sent last October." "The story of Napoleon Bonaparte," said Captain French, "presents probably the most remarkable example in the world of the action of great intellect and resolute will, unrestrained by conscience, and shows both the possible success which may reward, for a time, the most unscrupulous selfishness and also, fortunately, its certain ultimate failure and overthrow." "Notwithstanding which, I have the greatest admiration for Napoleon," said Rug. "The Captain's sentiments are mine," said the Chief. "He was a man of no conscience, no heart, and one of the most uncompromising enemies of constitutional liberty that the world has ever seen. I am amazed that a born republican like you, Rug, could see anything to admire in despotism or tyranny." "Did you see anything of poor Josephine?" asked Abbie. "No," he said. "The Empress Queen Dowager died two years ago, but we saw her beautiful home, 'Malmaison.' "If one may judge from appearances, it will take many years for France to recover from the effects of the Reign of Terror. My object, however, in visiting France and England was that I might see something of their progressive developments in agriculture and commerce, so that we might adopt the newest and best methods in building up our own little colony. I have brought with me," he continued, "the latest novelties in the way ofthe night and the rolling and tossing of the ship. After breakfast, as usual, all began to be sick. I took the advice of the sailors and drank some salt water, which acted as an emetic, and I soon felt better. "Unfortunately, while we were still at anchor, boats came from the shore with friends of the sailors, who smuggled a lot of liquor on board, and before the captain discovered it the whole crew was drunk. We were wakened at an early hour next morning by the violent motion of the ship, for there was a perfect gale blowing from the north-west. The sea was roaring and foaming around us. The passengers were all sick. Things grew worse and worse. Consternation and alarm were in every face. Children were crying, women wringing their hands, and I could see by the angry looks of the men that they would like to have thrown me overboard. The ship had little ballast, and it mounted the waves like a feather. Sometimes a hard sea would break over her with a shock that would make every one stagger. After a sleepless night, in which I received many a bruise and uttered many a groan, the captain informed us that the squall had carried away our mainyard and rigging, and that we were on our way back to Bristol to refit. At one time, when the ship was on her side, several chests, though strongly lashed to the deck, broke from their moorings, and in their progress downwards carried destruction to everything on which they happened to fall. "What a sight the deck presented! Do you remember, Captain? Clothes, spoons, shoes, hats, bottles, dishes, were strewn about in endless confusion. The next day the captain returned with the mainyard ery day?" said Chrissy, a tall, fair, thoughtful girl of seventeen, who was known throughout the settlement as the "Saint," for she had been led to take a serious view of life by a Quaker friend in the old school at Woburn. "It would be such a pleasure for me to lead him to a knowledge of the truth." The father readily granted the request, and it was arranged that he should receive instruction from Chrissy every morning while the younger boys were having their lessons. Nevertion nor the desire to "speak his thoughts from books" that led Machecawa day after day to the Wigwam, as an ever-increasing interest in her fun-loving daughter, Abbie, who was a year younger than Chrissy, and who seemed unconscious of the fact that the eyes of the red chief were ever upon her.學說值得懷疑，這就要求人們進一步去探索宇宙的秘密，從而推進了天文學和地理學的發展。1492年，意大利著名的航海家哥倫布發現新大陸，麥哲倫和他的同伴繞地球一周，證明地球是圓形的，使人們開始真正認識地球。[4] 對他國的影響 在教會嚴密控制下的中世紀，也發生過轟轟烈烈的宗教革命。因為天主教的很多教義不符合圣經的教誨，而加入了太多教皇的個人意志以及各類神學家的自身成果，所以很多信徒開始質疑天主教的教義和組織，發起回歸圣經的行動來。捷克的愛國主義者、布拉格大學校長揚·胡斯（1369～1415年）在君士坦丁堡的宗教會議上公開譴責德意志封建主與天主教會對捷克的壓迫和剝削。他雖然被反動教會處以火刑，但他的革命活動在社會上引起了強烈的反應。捷克農民在胡斯黨人的旗幟下舉行起義，這次運動也波及波蘭。1517年，在德國，馬丁·路德（1483～1546年）反對教會販賣贖罪符，與羅馬教皇公開決裂。1521年，路德又在沃爾姆國會上揭露羅馬教廷的罪惡，并提出建立基督教新教的主張。新教的教義得到許多國家的支持，波蘭也深受影響。
萊因瓶 定向的二維緊流形。如果觀察克萊因瓶，有一點似乎令人困惑－－克萊因瓶的瓶頸和瓶身是相交的，換句話近代科學興起的先驅者、是捍衛科學真理并為此獻身的殉道士。有另一種說法認為，近代以來關于羅馬梵蒂岡的地心說和哥白尼的日心說的斗爭是被嚴重夸大的。布魯諾1600年遭受火刑的原因，并非因知行星圍繞太陽作圓周運動。然而，人們是否能接受哥白尼提出的新的宇宙模式呢？全世界的人——尤其是權力極大的天主教會是否相信太陽是宇宙中心這一說法呢？由于害怕教會的懲罰，哥白尼在世時不敢公開他的發現。1543年，這一發現才公諸天下。即使在那個時候，哥白尼的發現還不斷受到教會高無上的真理，凡是違背圣經的學說，Eighteen months passed. The Chief was in Quebec with Hannah and Abbie awaiting the arrival of Rug, who had been sent by his father to the Mother Land to dispose of two cargoes of timber. It was an unusually cold evening in June. Snow had been falling all day. The neighboring hills were covered with large feathery crystals, which, however, soon melted as the sun appeared for a moment before sinking behind the gray walls of the Castle St. Louis. Just as the evening gun was fired, news had reached the union Hotel that a vessel had been sighted near the Island of Orleans. It was ascertained that it w against a sea voyage from the time they left Liverpool. "Nor is this all," he said; "I have something better still on board for the new settlement, namely, twenty-five English families, who are going to take up land in the township and pay for it in work." "And who nearly turned mutineers," added the captain, slapping him on thlad." It began to dawn upon the vigilant mother at length that it was not so much the wonders of civilization nor the desire to "speak his thoughts from books" that led Machecawa day after day to the Wigwam, as an ever-increasing interest in her fun-loving daughter, Abbie, who was a year younger than Chrissy, and who seemed unconscious of the fact that the eyes of the red chief were ever upon her.學說值得懷疑，這就要求人們進一步去探索宇宙的秘密，從而推進了天文學和地理學的發展。1492年，意大利著名的航海家哥倫布發現新大陸，麥哲倫和他的同伴繞地球一周，證明地球是圓形的，使人們開始真正認識地球。[4] 對他國的影響 在教會嚴密控制下的中世紀，也發生過轟轟烈烈的宗教革命。因為天主教的很多教義不符合圣經的教誨，而加入了太多教皇的個人意志以及各類神學家的自身成果，所以很多信徒開始質疑天主教的教義和組織，發起回歸圣經的行動來。捷克的愛國主義者、布拉格大學校長揚·胡斯（1369～1415年）在君士坦丁堡的宗教會議上公開譴責德意志封建主與天主教會對捷克的壓迫和剝削。他雖然被反動教會處以火刑，但他的革命活動在社會上引起了強烈的反應。捷克農民在胡斯黨人的旗幟下舉行起義，這次運動也波及波蘭。1517年，在德國，馬丁·路德（1483～1546年）反對教會販賣贖罪符，與羅馬教皇公開決裂。1521年，路德又在沃爾姆國會上揭露羅馬教廷的罪惡，并提出建立基督教新教的主張。新教的教義得到許多國家的支持，波蘭也深受影響。
法國國民議會表決通過了一項新法案，全面禁止幼兒園、小學和初中學生在校園內使用智能手機、平板電腦、智能手表等各種具有聯網功能的通訊設備！
這一禁令將在開學時，即時生效。
通過行政立法的手段，強制禁止中小學生在校內使用手機，這不得不令我們中國人自嘆不如了……我們學校對學生管理的嚴格程度，向來是誰都不服的啊！
這下可好，中國孩子最多是在課堂上玩手機被發現后暫時沒收，人家法國直接就違法了……就算是下課及午休時間，也不行！
我不知道法國家長們獲悉這個禁令后是什么心情，會不會有中國家長聽到這個消息后，想一想自己的孩子引起反思呢？
而且，目前德國也已經開始就禁止中小學生在學校使用手機的問題展開了公開討論。
小小的一部手機，怎么就惹惱了這些國家，并上升到國家層面呢？我們先看一個實驗。
一個耗時10年的科學實驗，結論震驚家長！
2008年，美國一位心理學家啟動了一項專門研究手機對孩子影響的科學實驗：
他從全美不同地區的中下階層家庭中挑選出100名孩子，將他們分成了兩組：第一組50名是接觸不到手機的孩子，第二組50名是對手機癡迷的孩子。然后對這兩組孩子進行了長達10的跟蹤調查。
2018年，也就是10年之后，他公布了自己的調查結果：
第一組50名癡迷手機的孩子中，僅僅只有2名考上了大學；第二組50名接觸不到手機的孩子，幾乎全部考入大學，只有其中三名孩子在高中畢業后，自愿選擇打工幫家里減輕負擔。
而那些考入大學的孩子們，又有16位獲得了學校的全額獎學金。
結果一公布，世人震驚！
雖然我們不能以考不考上大學來評判孩子的成就，但這也是一個很重要的考量依據。
想毀掉一個孩子，給他一部手機就夠了！？
我們再來看一組數據：
孩子看20分鐘的投影，視力平均下降到10.4度近視狀態；
連續看20分鐘液晶電視，視力平均下降到18.8度近視狀態；
連續玩20分鐘平板電腦，視力平均下降到41.7度近視狀態；
連續玩20分鐘手機，視力平均下降到43.8度近視狀態。
也就是說，玩20分鐘手機對眼睛的傷害，相當于看80分鐘的投影、47分鐘液晶電視！
危害還不僅僅于此。玩手機的人一般都會找一個最舒適的姿勢，要么歪坐斜靠著，要么窩在沙發上，甚至躺在床上，非常容易造成人體肩頸肌肉緊張、勞損，從而傷及脖子、肩膀、脊椎。
這種傷害對小孩尤為嚴重，因為他們的骨骼發育還沒有定型，如果不及時調整或休息，會影響身體發育。
手機對孩子心理上的危害也非常嚴重！
2017年12月1日，韓國高麗大學的神經放射學教授在芝加哥北美放射學會年會上公布：
他發現“網絡成癮”的青少年大腦中的化學物質不平衡，這種不平衡與經歷焦慮和抑郁癥的人相似。
這些智能手機成癮青少年在抑郁、焦慮、失眠和沖動方面的分數顯著高于平常人。
而且，手機對兒童還有致癌的風險！小孩因為處于發育期，大腦對手機輻射的吸收量要比成人多60%以上！
英國專家經過長時間的研究后發現，手機電磁場會大大地削弱兒童脆弱的免疫系統，它反過來又降低了兒童對電磁場不良影響的抵抗力。
國際上從事輻射微波研究的權威專家發現，手機在發射微波的同時也存在“極低頻磁場”，達到一定程度有可能引起疾病，其中，對兒童影響最為顯著。
還有，不論是孩子沉迷于手機游戲，還是家長離不開手機社交，都會影響雙方的情感溝通。
同時，孩子通過手機觀看直播/打賞主播/現場另類直播、游戲充值拼裝備、追小說追劇、色情網站等等網上誘惑，不一而足。
我們該如何與孩子一起戒掉手機癮呢？
有些家長看到手機有這么多危害，轉身就把小孩的手機沒收，以為萬事大吉了。沒那么簡單！
你知道孩子迷戀手機的原因是什么嗎？不解決根源問題，只是治標不治本罷了。
經過總結，孩子沉迷手機主要有下面幾個原因：
“爸爸媽媽沒時間陪我，手機上有很多朋友”
“每天兩點一線的生活太無趣，手機游戲樂趣多多”
“學習太枯燥了，手機上啥都有”
“爸媽都在玩手機，我才不愿學習呢”
“成績差、壓力大，玩手機沒那么累”
我們怎么解決呢？
要戒掉手機癮，絕對不是孩子一個人的事情，必須全家總動員，而且首先要從父母開始做起：
1、高質量的陪伴
每天給孩子30分鐘的專注陪伴，要心無旁騖的傾聽、交流。中國大部分孩子是有父母的孤兒，盡管有父母陪伴在身邊，但卻沒有認同、沒有理解、沒有傳遞能量給孩子。
2、榜樣的力量
如果大人回家后機不離手，卻聲嘶力竭地要求孩子遠離手機，可能嗎？
3、用游戲或公約的方式
比如約法三章，每天只能玩手機30分鐘，到時間就關機。
4、增加戶外活動/運動
沒有孩子不喜歡出門的，培養他一到兩個運動愛好。
5、尋找替代品
如果孩子喜歡用手機看書，就用紙質書代替；如果孩子喜歡玩游戲，可以教他象棋、圍棋。
6、制定科學的作息時間表
幾點吃飯，幾點寫作業，幾點下樓溜達，幾點洗澡睡覺，每天把生活作息安排得科學而有序，沒有無聊的時間，自然就不會刷手機了。
有一位5歲孩子的媽媽，就完全做到了讓兒子不愛看電視、不愛玩手機，怎么做到的？
“無它，唯堅持而已。”
最后送大家一句話：人類發展的歷史證明，“沒有任何力量能毀掉下一代，除了上一代。”
后語：大量讀者還沒有養成閱讀后點贊的習慣，希望大家閱讀后點一下右下角“在看”，以示鼓勵！
無論您有多忙，請花1秒鐘時間把它放到你的圈子里！可能您的朋友也需要！沒看夠？更多內幕點擊【閱讀原文】