1月5日CNN聽力：聚焦諾貝爾化學獎DNA修復與疾病防治 斗牛犬除駕禦滑板外再秀純熟車技
We always welcome international viewers to CNNSTUDENT NEWS.
We've called on every continent but Antarctica, sofar.
Today, we're starting in the southern African nationof Zambia.
Kitwe is the city in northern Zambia.
It's great to see you at Lifesong School.
To the U.S. northeast, Guilford is the town in southern Connecticut, the home of the Bulldogsof Abraham Baldwin Middle School.
And in Wichita, the largest city in Kansas, we're shouting out the Dolphins of St.Elizabeth AnnSeton Catholic School.
Since 1901, the Nobel Prize in Chemistry has been awarded to 172 people.
That includes these three men:Aziz Sancar, Paul Modrich, and Tomas Lindahl.
They won the 2015 prize.
Their work focusing on how proteins repair our DNA when it gets damage.
CNN's Dr. Sanjay Gupta guides us up a spiral staircase of knowledge about human DNA.
DNA, deoxyribonucleic acid, it's the genetic formula that tells your cells how to build you intoyou and no one else.
Think of your DNA as four Legos that like to play in pairs, A and T, C and G, along a spiralstaircase called the "Double Helix".
Those pairs form building blocks of code called genes.
They become the blueprint for your hair, eyes, body shape and everything else that makes youunique.
You have over 20,000 genes, created from about 3 billion pairs, so it's easy to see why noother human will have the exact same pattern of DNA.
Unless, of course, you have an identical twin.
Each cell in your body has about six feet of DNA, unravel them all and your DNA wouldstretch from here to Pluto 18.5 times.
But to live inside each cell's microscopic nucleus, each long strand of DNA gets wrapped like anoodle into 46 chromosomes.
You got those chromosomes from your parents, 23 from dad, 23 from mom.
There is one from dad that is special, it determines if you're a girl or a buy.
Our DNA is only about 1 percent different from a chimpanzee.
But that tiny change has made all we know and accomplish possible.
When you're a bulldog, life is just amazing.
You could ask Dr. Moore at Bluffton Middle School, or you could just watch this.
Forget the bulldog on a skateboard, this one can drive, keeps the windshield clean too.
Maybe he should just fold it down.
You can do that with a Jeep.
What's amazing about this, besides the fact that it's a bulldog that can drive, is the fact that hegoes for quite a while without hitting anything, even mailbox escapes a collision.
So, while other dogs are chasing cars or barking up the wrong tree, dogging the neighborhoodcat or driving their owners crazy, this one is on a transmission.
He's keeping it wheels.
It's time for us to scoot.
I'm Carl Azuz. Hope you have a great weekend.
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【參考譯文】
點名節目關鍵CNN門生消息老是迎接全球的觀眾。
到今朝為止咱們點名過除南極洲外各大洲的名校。
本日,咱們點名的第一所黌舍從南部非洲國度贊比亞開端。
這所黌舍處於贊比亞的北部都會基特韋。
勒夫斯昂黌舍的觀眾同夥們，很愉快看到你們。
接下來咱們前去美國東北部,康涅狄格州南部的吉爾福德鎮，亞伯拉罕鮑德溫中學就在這裏。
而末了一所黌舍則處於堪薩斯州最大的都會威奇托,咱們點名聖伊麗莎白·安·斯通上帝教黌舍。
自1901年以來諾貝爾化學獎已頒給172人。
這個中包含阿齊茲·桑賈爾、保羅·莫德裏奇及托馬斯·林達爾三名男性。
他們3人得到了2015年的諾貝爾化學獎，以表揚他們在DNA修復細胞機制方面的研討。
他們的研討課題主如果卵白質若何修復毀傷的DNA。
CNN消息的桑吉·古普塔將會率領咱們懂得人類DNA的螺旋構造。
DNA是一種脫氧核苷酸，這類遺傳公式告知你的是細胞若何構建你的身材。
把DNA想象成愛好成對湧現的4塊樂高積木，A和T，C和G，同時另有一個名為“兩重螺旋”的螺旋梯。
它們從構建名為基因的代碼基因塊時就成對存在。
這些會釀成為你頭發、眼鏡、體型及其他統統讓你舉世無雙的藍圖。
你具有跨越20000個基因，它們從30億對基因中出生而來，以是很輕易說明為何其別人沒有完整雷同的DNA。
除非，你有完整千篇一律的雙胞胎。
若將你體內的單一細胞拉成直線,那末將約莫有6英尺長，假如是全體，從你到冥王星夠來回18.5次了。
但每個細胞用顯微鏡才可見的細胞核內，每條長鏈DNA包括著46條染色體。
你能從怙恃那邊分離獲得23條染色體。
個中有一條來自父親的染色體異常特別，它決議了你的性別。
咱們人類的DNA同黑猩猩的比擬唯一1%的差異。
但便是這1%渺小差距使得咱們對這個天下的認知成為大概。
假如你是一條牛頭犬,那生存大概會充斥驚奇。
你可以訊問布拉夫頓中學的摩爾博士,大概你可以看看這個。
忘記那條滑板上的斗牛犬吧,你面前的這只可以開車,也能堅持擋風玻璃的幹凈。
大概他應當把它拆下來。
你用一輛吉普車也能夠辦到。
奇異的是,除這只斗牛犬可以或許開車外,他還在相稱長一段時光內沒有撞到任何器械,乃至郵箱也幸免於難。
是以,當其他狗在追趕汽車或對著樹亂吠,造成鄰人家的貓困擾或逼瘋他們的主人時,這個家夥正在幹其他的工作。
他開的夠穩的。
又到了說再會的時候。
我是卡爾·阿祖茲。願望你過一個高興的周末。
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