单词：downstream sequence
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v
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图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh
数学英语
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,
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Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in
2014年ESL之商务英语
We are set up to film the salmon, but they keep darting away. Hey! What the heck? Grizzly bear paw whacks camera out of position and jettisons it downstream. Now that was not supposed to happen. Hey! Here is the bear. And here she is again with her c
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图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t
数学英语
This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of
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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is
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In this image taken from TV Russian NTV channel on 21 Jul 2010, smoke rising from the Russian hydropower station in Kabardino-Balkariya Militants stormed a hydroelectric plant in southern Russia Wednesday, killing two security guards and setting off
VOA标准英语2010年(七)月
Expert Says Cooperation Can Resolve Global Water Scarcities A barbed-wired fence divides farmlands in India and Pakistan, nuclear-armed neighbors with a history of violent conflict. But the waters that feed them know no boundaries. The Indus River ba
VOA标准英语2013年(三月)
The Streaming Down the Yangtze team has arrived in Yichang, Hubei Province and visited the Three Gorges Dam, the world's largest hydropower station. The dam also helps to prevent floods and boost river navigation. The team's passenger ship went throu
2018CRI中国国际广播电台
More than 700 rescuers specializing in sanitaion, chemical defense and engineering have formed 8 teams to work on the ship. They have been removing obstacles from the ship, decontaminating it and transferring the victims' bodies out of the ship. Mean
cctv9英语新闻2015年
The search area for the victims has been extended from the site of the capsizing to where the Yangtze River meets the sea in Shanghai, about 1,400 kilometers. Police have also begun a thorough search along the banks of the river. The search teams hav
cctv9英语新闻2015年
BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear
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Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t
英语听力练习题
Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to
英语听力练习题
God, I hate it when that happens.That was very, very close. 天呐 我最讨厌这种情况了 刚才真是太险了 You know, you think something's solid,and then it's just rotten. 你认为坚固的东西 却如此不可靠 You can't take anything
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Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你
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