原标题: 赣州隆鼻多少钱飞度新闻养生回答
If you were watching an astronaut foolhardy enough to jump into a black hole如果你观察一名宇航员 莽撞地跳进一个黑洞at some time on his watch say, 12:00 he would cross the event horizon and enter the black hole.这时候他手表上的时间是 比如说 12点 他接下来穿过事件视界 然后进入黑洞But no matter how long you waited you would never see the astronauts watch reach 12:00.可是不论你等多久 你都永远不会看到他的手表走到12点Instead, each second on the watch would appear to take longer and longer理论上发生的是 手表上的每一秒 都会看起来越来越长until the last second before midnight would take forever.直到午夜前的最后一秒 它会持续到永远Thus, by jumping into a black hole one could ensure that ones image lasted forever.因此 如果一个人要跳进黑洞 他可以肯定 自己的形象会永远存在But the picture would fade very rapidly and grow so dim that no one could see it.但图像会迅速地消逝 并且变得模糊不清 谁都看不见As somebody disappears into a black hole as seen from the outside, it looks as though当一个人消失在黑洞中时 如果从外面观察 就会发现time actually slows down, and the person whos moving at least hes thinking hes moving时间似乎变慢了 这个移动着的人 至少他认为自己在移动hes perhaps talking in his spaceship at a normal rate seems to slow down and ends up being frozen他也许正在飞船中以正常的语速讲话 但听起来是变慢了 最后在某一个特定的位置in a particular position as seen by somebody watching him from the outside.被冻结起来 从视界外观察就是如此And as seen from the outside, you never see what happens after that.而且你永远不会看见他冻结之后发生的事情The astronaut wouldnt notice anything special when his watch reached midnight.那个宇航员自己 则什么都不会注意到 当他的手表到达午夜时And he crossed the event horizon into the black hole他就穿过视界 进入黑洞until, of course, he approached the singularity and was crushed into spaghetti.直到他最终抵达奇点 被挤成肉泥201604/436213New dietary guidelines will be issued for 2010.新的膳食指南将在2010年发布It is suggested that有人建议the guideline for the entire population新的膳食指南应建议将推荐值改为1500毫克will be 1500 mg.且这一推荐值应面对全部人群The picture shown depicts这张图片描述的是where sodium comes from in the average diet.日常食品中的钠的来源Theres growing concern美国食品中钠含量过高这一现象that intake of sodium is too high in the US diet.已经引起了越来越多的关注This shows several examples of high sodium foods这里显示了几个美国食品中常见的that are common in American diets.高钠食品Again the main function of sodium in food食品中钠的作用仍然是is used as a preservative and flavor enhancer.被当作防腐剂和口味增强剂This is the reason such foods as frozen meals,这就是比如冷冻食品,罐装食品canned items and prepared mixes are high in sodium.以及混合食品中钠含量高的原因How will you know if the food you are eating你怎么才能知道你正在吃的东西is high in sodium?钠含量是否过高?Reading the nutrition facts label of products阅读食品包装标签上的营养成分说明is the best way to understand this.是最好的了解方式Lets take a look at how to this label.让我们一起看看如何阅读这个标签The foods sodium content is always shown食品的钠含量一般都会在on the food label.食品标签中写明The amount listed will be in milligrams.数量单位一般是毫克This aspect of the label is important to如果你被要求吃低钠食品pay attention to if you are required注意阅读这个标签to be on a low sodium diet.是非常重要的Something to remember在阅读食品包装标签的时候when ing food labels is that需要记住的一点是what is shown is only one serving size标明的数值只是一份中的含量which could make these numbers very deceiving.这个数字可能非常具有误导性This particular label is for Kraft Macaroni这个标签属于豪华装and Cheese Deluxe Edition.卡夫浓郁芝士通心粉Notice that there are 4 servings in this package请注意这一包装里面有四份and only one serving consists of而其中只有一份中含有over a third of the dietary guideline for sodium膳食指南的钠推荐摄入量which is 2300 mg.2300毫克的三分之一When looking at the percent daily value当看到日常数值的百分比时,应该意识到it is important to remember that这些百分比是基于2000卡路里的食品的these percentages are based on a 2000 calorie diet.这一点非常重要The percentages are also based on这些百分比也基于全天的totals for the whole day.食品摄入For example, for this particular label比如说,在这张标签上the sodium content of one serving is 35%一份的钠含量是of the total amount of sodium recommended per day.每日推荐钠摄入量的35%As stated before the quantities on a food label前面我们已经提到过,标签上的数值are given in milligrams.都以毫克为单位Here are some sodium equivalents in household这里有一些日常生活中的钠当量measures to help you compare these values.可以帮助你对比这些数值It may be surprising to find that人们也许会感到惊讶的是the recommended dietary allowance膳食指南中的钠推荐摄入量for sodium is only 1 teaspoon.仅仅是一茶匙那么多Specific words on food packages食品包装上的某些字眼can be very confusing.也可能让人感到迷惑Here are some examples of common terms这里有一些含钠物品的包装标签中used on labels related to sodium content在解释钠含量的时候and their explanations.常用的词语It is helpful to know that these words这些词语均由粮食及药物are legally defined by the FDA进行了法律上的规范解释and therefore you can be sure about their meaning因此你在食品包装上看到这些词语的时候each time you see them on a package.可以非常确定它们的含义Some things to note are that reduced sodium有一些事项值得注意is a relative term and compares the amount of sodium;限钠;是与目前普通食品中的钠含量in the current food to the usual product.相比较而言的This does not always mean它并不总是意味着the reduced sodium product is actually low in sodium.限钠产品的钠含量确实很低201505/374267

Hi, Im Jessica嗨,我是Jessicaand Im gonna be talking about a chemical demonstration today that今天我要讲的化学演示I like to call bringin home the bacon叫作;养家糊口的培根;Now before we get cookin, lets take a look at the chemists best friend在开始烹饪之前,我们先来看看化学家的老朋友This is the periodic table元素周期表It was created in 1869 by the Russian chemist Dmitry Mendeleev它是在1869年由俄国化学家德米特里·门捷列夫制作back when only 65 elements were known 当时他制作的表中只有65个元素Different elements on the periodic table 周期表中的不同元素require different numbers of electrons to be ;happy;需要不同数目的电子才能;开心;Electrons live in the shell surrounding atoms电子位于原子核周围的电子层中and when an atoms outermost shell is filled to capacity当原子最外层填满电子时the atom is ;happy; 原子就会;开心;Now hydrogen over here这里的氢原子has one electron in its outer shell在最外层有一个电子and needs just one more to fill it 它还需要一个才能填满Carbon has four electrons in its outer shell 碳最外层有四个电子and needs four more, a total of eight electrons to fill it 还需要四个才能填满,总共要八个电子Now on the left and middle of the table, we have the medals周期表的左侧和中间是金属元素To get to eight electrons in their outer shell 要在最外层得到八个电子the medals lose electrons 金属需要失去电子And on the right side of the table, we have nonmetals而在周期表右侧的则是非金属元素To get eight electrons, these elements gain electrons要得到八个电子,非金属元素需要获得电子And hydrogen is the only nonmetal thats on the left hand side of the periodic table氢是唯一位于周期表左侧的的非金属元素Now one way atoms get to eight electrons in their outer shell 原子在最外层得到八个电子is through chemical bonds需要通过化学键A bond is the sharing of two electrons between two atoms化学键是两个原子之间两个电子的共用So carbon likes to have four bonds 碳喜欢有四个键and hydrogen likes to have one而氢喜欢有一个键Knowing about where the electrons are and how they participate in bonding了解电子在哪,以及电子如何参与到成键中is central to many important things in the real world对于理解现实世界中的各种现象非常重要For example, unsaturated fats have a double bond例如不饱和脂肪具有一条双键lots of electron 很多电子and that gives them special reactivity这让其具有特殊的反应活性which can lead to the spoiling of food when the bonds react with oxygen当双键同氧气反应时,食物就会变质201501/355270

A ;specific; threat against two high schools in Nashua, New Hampshire, has led officials to close all of the citys public schools on Monday. 新罕布什尔州纳舒厄两所高中接到“明确的”威胁,导致政府周一关闭了该市所有公立学校。One superintendent said: ;We have received a detailed threat of violence to harm students and staff at both high schools. ... We have been working closely with the Nashua Police Department, which is still working ... to determine the credibility of the threat.; 一位校长表示:“我们已经收到了一个详细的威胁,要在这两所高中伤害学生和工作人员。我们已经与纳舒厄警察部门密切合作,现在工作仍在继续…确定威胁的可信度。”WBIN reports the FBI is also involved. The threat was sent via email, similar to the threats against Los Angeles and New York City schools roughly a week ago. WBIN报道称联邦调查局也参与其中。这一威胁是通过电子邮件发送的,类似于约一周前洛杉矶和纽约学校受到的威胁。Los Angeles schools shut down because of a threat, but New Yorks schools remained open after determining the threat it received was not credible. 洛杉矶接到威胁后关闭了所有学校,但纽约在确定威胁不可信后学校仍继续上课。According to WHP-TV, there will be an increased police presence Monday despite classes being canceled. All schools are expected to reopen Tuesday. 据WHP-TV报道,尽管周一课程被取消警方仍会增加警力。周二所有学校有望恢复上课。译文属。201512/417348栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghais English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。201503/362769

栏目简介:《外国人在北京》是英语视频听力下面的子栏目,节目关注在北京生活的外国人的时尚新生活。话题紧紧围绕网络生活,每日的话题内容按照网络热门固定划分为家居、汽车、数码、饰美容、健身、交友、美食等,了解外国人生活的同时通过网络互动提供一个中外人士互相帮助的平台。201510/398998栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghais English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。201508/391679ISIL kidnaps 220 Assyrians in NE SyriaISIL恐怖组织绑架叙利亚东北部220名亚述族人An activist monitoring group in Britain says the number of Christian Assyrians kidnapped by Islamic State militants in the northeast of Syria has risen to 220 over the past three days.英国一活动家监督组织表示过去3天时间里伊斯兰国武装分子在叙利亚东北部绑架的亚述族人数已达220多人。Militants seized the Assyrians from 11 villages near the town of Tal Tamr in al-Hasakah province.这些恐怖分子在哈萨克省塔尔塔马尔镇附近的11个村子进行绑架。The Syrian Observatory for Human Rights cites Assyrian sources as saying that negotiations with Islamic State are taking place via mediators, seeking the release of the prisoners.叙利亚人权观察部门引用亚述消息人士的说法,正与伊斯兰国进行谈判协商寻求释放被捕人士的举措。The same sources said Islamic State had burnt down two churches in the countryside of Tal Tamr.同一消息来源表示伊斯兰国还烧毁了塔尔塔马尔镇农村地区的2座教堂。201503/361718

栏目简介:《造物小百科How its made》介绍了许多东西的制作或者说发明方法,非常实用。其中的英语视频发音地道,内容浅显易懂,过程形象生动,是提高英语听力水平,积累英语知识和一些简单生活常识的好素材。201510/392146栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghais English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。201601/422279栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghais English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。201511/411140

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