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2019年11月19日 19:37:37    日报  参与评论()人

山东济南军区总医院门诊在哪里济南紫荆花妇女儿童医院中药科We may never know if the chicken or the egg came first, but scientists have discovered a fossil that sheds light on how turtles got their shells. Since the time of the dinosaurs, turtles have looked much the same as they do today, complete with boney shells. But scientists know turtles didnt just appear on the Earth fully formed.可能我们永远不会知道先有鸡还是先有蛋,但是科学家们发现的一个海龟化石揭示了它们是如何长出龟壳的?自恐龙时代起,海龟的外貌就跟现在相差无几,一样背着骨组织外壳。但是科学家们知道原始海龟的龟壳并没有发育完整。There must have been an ancestor with a partial shell or no shell at all. So how did the shell get there? Some dinosaurs and present day reptiles, like crocodiles, have boney skin plates called osteoderms. So researchers thought turtle shells might have evolved from these plates. The trouble was, when they studied turtle embryos, they found that shells grow out from the backbone and ribs and dont appear to be over-grown osteoderms.海龟的祖先中一定有只长出部分龟壳,或者根本没有龟壳的海龟。那么龟壳是如何长出来的?远古时代的恐龙和现在的爬行动物(比如说鳄鱼)都长有叫做“皮内成骨”的骨组织皮肤板块。因此研究者认为龟壳是从这种皮内成骨进化而来。问题是当他们研究海龟胚胎时发现,龟壳从脊椎骨和肋骨里长出,并没有参差不齐的骨化鳞片。The evolution of the shell remained a mystery until a 220- million-year-old fossil was unearthed in Ghizhou Province, China. The fossil was named Odontochelys semitestacea, or half-shelled turtle with teeth. Unlike modern land turtles, this sixteen-inch-long species was found with other marine reptiles, indicating it was aquatic. It had a plastron or lower shell.直到中国贵州省出土了一个2.2亿年前的海龟化石,龟壳进化的迷雾才被揭开。这个化石被命名为半甲齿龟。与现代的陆地海龟不同的是,这种长约16英尺的龟类与其他海洋爬行动物一同被发现,这表明它是水生动物。它长有龟板。But the upper shell, called a carapace, was not there, only a thickened backbone and ribs. Odontochelys not only answered some questions about the shells origin, it also gave a clue as to why a turtle has a full-body shell. Scientists think the shell evolved as a defense against ocean predators. On land, the belly is protected by the ground, but in an aquatic environment, turtles can be attacked from above or below. After the plastron evolved, the carapace developed, giving turtles extra protection.但是背部却没有壳(即没有甲壳),只有增厚的脊椎骨和肋骨。半甲齿龟不仅回答了龟壳起源的问题,还为海龟为什么长出完整龟壳提供了线索。科学家们认为海龟张出硬壳是为了防御海里的猎手。在陆地上有土地来保护肚皮,但是在水生环境里,海龟容易腹背受敌。龟板进化之后,甲壳也开始进化,这给了海龟更多的保护。原文译文属!201208/193157泰安治疗女性疾病多少钱 After I hit the shot, my father came to me and said, this was the start of something big. He didnt know what it was. I didnt know what it was. But I did believe him.自从我开始打球,我父亲对我说,这是开始做大事。他不知道这是什么。我不知道那是什麽。但我确实相信他。Good morning, ladies and gentlemen. Welcome to flight 23. Please make sure your seat belts are securely fastened and extinguish all smoking materials.早上好,女士们先生们。欢迎搭乘23号航班。请确认您的安全带已经系紧,并熄灭所有的冒烟的东西。Michael came along at a time when globalization really was occurring, and an explosion in media was occurring. And he helped drive that explosion.迈克尔走过来的时候真的是全球为之雀跃,媒体为之雀跃,他是焦点。Yo, Mike, what makes you the best player in the universe?嘿,迈克,是什么让你成为全宇宙最好的球员?Is it the haircut?是这个发型吗?No, Mars.不,火星。Is it the shoes?是鞋子吗?No, Mars.不,火星。There have been so many things that he has popularized---the shorts, the shoes, ;Must be the shoes.;他已经推广如此多的事情;短裤,鞋子里,;一定是鞋子。;Money, its gotta be the shoes! Shoes! Shoes!钱,肯定是鞋!鞋子!鞋子!I think Michael has transcended every boundary of gender and race and age and sport. I think hes become a, sort of a part of our everyday culture.我认为迈克尔已经超越了年龄、性别和种族的每一条界限。我想他变成了一种我们日常文化的一部分。注:听力文本来源于普特201201/168027Thats crazy, sound.这是一种疯狂的声音。Space is adjustable.空间是可调节的。Its actually malleable. Space and time are malleable.它实际上是可塑的。空间和时间具有可塑性。This is flexible thing that can be twisted.它的灵活可以扭曲。You bring an object into space and it distorts the space around it.你把一个物体送入太空,它将会扭曲周围的空间。Why does the earth go around the sun?为什么地球环绕太阳?Most people would say, well, the suns gravity is yanking the earth toward the sun in a circle.大部分的人会说,好吧,太阳的引力将地球朝向太阳围成一个圈。Wrong! The earth is going around the sun because the sun has whirled the space around the earth.大错特错!地球绕着太阳转,是因为太阳围绕地球的空间旋转。And space is pushing, pushing the earth toward the sun. He had a new theory of gravity, a new theory of the universe.空间推动,推动地球向太阳。他有一个新的重力理论,一个新的宇宙理论。Einstein publishes his ideas about gravity.爱因斯坦发表了他对重力的观点。At the same time, his work on the atom brings him increased attention.与此同时,他在原子方面的著作也带给他注意力。As a result, in 1911, hes offered a position as a full time scientist at the university of Zurich.结果,在1911年,他在苏黎世大学被给予了一个全职科学家的位置。The 32-year-old patent clerk finally leaves Bern to become, for the first time, Professor Albert Einstein.这位32岁的专利局职员终于离开了伯尔尼,第一次成为阿尔伯特·爱因斯坦教授。注:听力文本来源于普特201203/176333济南市第二医院专家挂号多少钱

莱芜疏通输卵管济南市人民医院电子病历 Books and Arts; Book Review;New theatre: “Travelling Light”;文艺;书评;新剧院:《轻装上阵》;The screen at the end of the world;Antony Sher plays the part of a lifetime;世界尽头的银幕;安东尼·谢尔:生为犹太身,今演犹太人;Jacob Bindel, the timber merchant in Nicholas Wrights “Travelling Light” at the Lyttelton theatre, is the second of three Jewish roles that Sir Antony Sher has signed up for in less than a year—after decades of parts from other worlds than that of his forefathers. First he was Phillip Gellburg in last autumns production of Arthur Millers “Broken Glass” at Londons Tricycle theatre, a repressed businessman in 1938 New York who tries to ignore the violent pogroms taking place in Germany. And later this summer he will reanimate Sigmund Freud in Terry Johnsons “Hysteria” in Bath.身为犹太人,安东尼·谢尔爵士(Sir Antony Sher)数十年从未演过本民族角色。而最近不到一年,他已接下了三个犹太角色。去年秋季,他在伦敦三轮车剧院首度出演犹太人,于阿瑟·米勒(Arthur Miller)剧《碎玻璃杯》中饰演菲利普·盖尔格(Phillip Gellburg),一个情感压抑的商人,1938年住在纽约,试图忽视德国残暴的犹太人大屠杀。第二个角色便是在利特尔顿剧院扮演尼古拉斯·赖特(Nicholas Wright)剧《轻装上阵》中的犹太木材商人雅各布·宾德尔(Jacob Bindel)。而今夏,他将在巴斯重新诠释泰利·约翰逊(Terry Johnson)剧《歇斯底里》中的西格蒙德·佛洛依德。Of the three roles, Jacob Bindel may well prove the most memorable. It could make the South African-born actor as unforgettable to London audiences as Chaim Topol was as Tevye in “Fiddler on the Roof” half a century ago.安东尼的三个角色中,雅各布·宾德尔可能最令人难忘。也许该角能使这位南非出生的演员与哈伊姆·托波尔(Chaim Topol)一样让伦敦观众无法忘怀——托波尔五十年前曾在前音乐剧《屋顶上的小提琴手》中出演泰维(Tevye)一角。Mr Wright has set his new play in a remote village in eastern Europe at the dawn of the 20th century. Motl Mendl (a fluid and captivating Damien Molony) has returned after a long absence to his uncles photography studio, where he is entranced by the flickering shadows of a motion picture. Jacob enters, intent on having a photograph taken of his wife and their only son before the boy is called upon to don the uniform of the tsar. At least, that is his plan until he decides to have the family farewell filmed as a motion picture and succumbs to the allure of the movies.这部赖特新作中的故事发生在20世纪初叶一个遥远的东欧小镇上。莫特尔·门德尔(Motl Mendl)长相酷似达米恩·莫罗尼(Damien Molony),动作灵活优雅,充满魅力。久别之后,他回到了叔叔的照相馆,在那儿对电影闪烁的光影着了迷。某天,雅各布来到相馆,本想在独子应征加入沙皇的军队前为妻儿照张合照,后来决定将家人的惜别之景摄为电影;电影的魅力征了他。Orphaned and illiterate, the ebullient self-made businessman explains why: “Me, I dont know words. Words for me are like stone wall around Gods world. So I am stranger to Gods world…Then I see your motion picture, and the door to paradise open for me. I see big light, big sun, big sky! Because no words! No words but all of feelings! Love, happiness, sadness, tears. I see them clear.” Inspired by Anna, Motls clever and captivating assistant (Lauren ONeil), the young director begins making films with Jacob as the worlds first movie producer.这位白手起家的商人幼时失荫,一字不识,却对电影满腔热情。对此,他解释道:“俺——我不识字。那些字儿跟石头墙似的把我挡在上帝的世界外头。对那里头我啥也不晓得……后来看到你的电影,天堂的大门就开了。我看到好多的光,好大的日头,好宽的天空!爱啊,幸福啊,伤心啊,眼泪啊,全都能看清。”莫特尔从聪慧迷人的女助手安娜(Anna)(Lauren ONeil饰)身上得到灵感,开始拍摄电影。雅各布与他合作,成为世上第一位制片人。Mr Wrights paean to the earliest days of film-making—a homage to the birth of Hollywood with its Sam Goldwyns and its Louis B. Mayers—is funny and generous. The warmth of the shtetl feeds the creativity of these nascent cinephiles. Together the two men go back to the flood, discovering the power of stories, dramatic montage, captivated audiences and the thrill of the casting couch.这部音乐剧情节有趣,内容丰富,是赖特献给电影制作最初时光的赞美诗,也是赖特对好莱坞诞生的敬意。当时,它拥有许多像山姆·高德温、路易斯·梅耶一样的大人物。在剧中,犹太小镇的温情滋养着两位初出茅庐的电影迷的创造力。他们一同投身事业的洪流,逐渐明白了应该如何讲述故事,如何进行戏剧性剪辑,如何抓住观众,还知道了选角时办公室沙发上发生的那些“让人激动的事儿”。Earthy, wheedling and endlessly instinctive, Sir Antonys Jacob is at the heart of it all, whether he is trying to meddle in the directing or keep his wife and daughter out of the film and cast Anna, instead, as the leading lady (“When I look at that girl…I like 18 again. I like tree in springtime with hot sap like kettle rise into every branch. You hear my meaning?”) Or even when he tries surreptitiously to rent out his cow to the studio. In fact, Sir Antony is so powerfully Jacob Bindel that it becomes a problem. The second act takes place in Hollywood 30 years later. Jacob barely appears. The audience feels bereft.安东尼深得人物精髓,他的雅各布土里土气、满嘴甜言蜜语、办事依赖直觉,在所有场景中始终表现如一。雅各布试图插手导演,不让妻女涉足影片,反而将安娜定为女主角(“我看着那姑娘……好像又回到了18岁。我像棵春天的树,滚烫的树液像在烧开的水壶里一样扑腾,冲进每根树枝。你听懂我说啥了吧?”),甚至还想偷偷把自己的牛租给制片厂。事实上,他演的雅各布实在太出了,反倒成了麻烦。该剧第二幕的背景是三十年后的好莱坞。雅各布很少出现,让观众怅然若失。 /201301/220947莱芜检查妇科病哪家医院最好的

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