单词：isotopic concentration
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[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.83]2001 Passage4 [00:06.05]The world is going through the biggest wave of mergers [00:08.96]and acquisitions ever witnessed. [00:11.59]The process sweeps from hyperactive America to Europe
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It's important to get enough sleep. [00:06.27]Section 1 Before you read [00:08.18]PAIRWORK [00:09.20]Discuss the following questions [00:10.97]with your partner. [00:12.50]1.How many hours do you and your partner sleep [00:16.27]every day? [00:17.78]
初中英语山东版九年级（全一册）
[00:17]R：Louis,I'll make a deal1 with you. [00:19]Instead of this petty charge you have against him, you get something really big, [00:22]something that would chuck him in a concentration camp for years. [00:26]Be quite a feather in your cap, would
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest
Scientific American(九)月
Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar
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What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o
Scientific American(十二)月
There are many reasons why your mind might wander in class or during homework. Some of the most common factors are non-medical and simple, and they can be treated by making small changes in your routine. 在课堂上或者做作业时，思想不集中
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Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of
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There's a Rose In a fisted Glove and the eagle flies with the dove and if you can't be with the one you love it's alright Go ahead and love the one, love the one, love the one your with love the one, love the one, love the one your with If your guy c
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Caught Twittering or on Facebook at work? It'll make you a better employee, according to an Australian study that shows surfing the Internet for fun during office hours increases productivity. 上班时上Twitter或Facebook网被撞见？这会让你成
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MADRID, Sept. 17 (Xinhua) -- Real Madrid coach Jose Mourinho said this Saturday that he wanted his players to show a better level of concentration when they visit Levante on Sunday evening. Although Madrid have won their last two games, against Getaf
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【原文】 Controlling Your ConcentrationCONCENTRATION IS CENTERING YOUR ATTENTIONPsychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as s
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Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho
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It is cold, so bitter cold, on this dark, winter day in 1942. But it is no different from any other day in this Nazi concentration camp. I stand shivering in my thin rags, still in disbelief that this nightmare is happening. I am just a young boy. I
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