单词：backward sequence number
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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
Scientific American(十二)月
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,
Scientific American(十)月
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
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 abbreviation [ E7bri:vi5eiFEn ] Jan is
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Jimmy dropped a piece of paper on the floor. He bent over and picked it up. He folded the piece of paper in two. He put it on the table. He picked up a pencil. He wrote a phone number on the piece of paper. He put the pencil on the table. He picked u
超级简单英语阅读
by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal
数学英语
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
Scientific American(八)月
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
Scientific American(五)月
Taliban attacks in Afghanistan rose sharply this year, underscoring the difficulty faced by the Afghan government and coalition forces trying to stamp out the persistent and deadly insurgency. But just how serious a threat does the Taliban pose to t
VOA标准英语2008年（九月）
Lesson 22 Foward and Backward 第22课 向前和向后 1. Do This! 1. 做这个！ Walk forward. 向前走。 Walk backward. 向后走。 Turn around. 转圈。 2. Can you do this? 2. 你能做这个吗？ Can you play cards? Woof! No, I can't. 你能玩
冀教版小学英语(三起)--第三册
Jimmy dropped a piece of paper on the floor. He bent over and picked it up. He folded the piece of paper in two. He put it on the table. He picked up a pencil. He wrote a phone number on the piece of paper. He put the pencil on the table. He picked u
英语第1级听力-English Level 1
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
英语新闻
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
Don: [TO SELF] Number 9...osprey. Yael: Hey Don. What's up? D: I'm making a top ten list of the best animals of all time. Y: What's on the list? D: Dingo, aardvark, python, tapir, rhesus monkey, black widow, bullfrog, owl, osprey. Y: That's only nine
英语时差8，16
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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