SSS 2008-09-30

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

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The students in the composition class were assigned the task of writing an essay on the most beautiful thing I ever saw. The student who, of all the members of the class seemed the least sensitive to beauty, handed in his paper first with astonishin

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It was a very busy evening. I was doing my homework at my home. My father was writing a composition in the study room. My mother was interested in Shanghai opera. She was watching a Shanghai opera contest. The apartment was very quiet. Suddenly the l

SSS 2009-01-16

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

美国科学60秒 SSS 2012-12-11

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

Scientists Closer to Solving Plain of Jars Mystery

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

英语学习方法二

英语学习方法二 这种方法非常有效且很容易坚持---口译汉英对照(或英汉对照)的小说或其它读物.首先我们先读汉 语部分,然后逐句直接口译成英文,完成一小段后,去看书上的对应英文部分并与我们的口译进行比较 ,我们马上可以发现我们口译的错误,缺点和进步。

口语提高秘籍

(1) We study spoken English so as to make oral communications, so this order of importance of oral English study should be followed: Fluency, Accuracy, and Appropriateness. That is to say, we have to pay more attention to practical communicating abil

万物简史 第420期:生命的起源(14)

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

美国：导弹防御试验失败

WASHINGTON, July 5 (Xinhua) -- The U.S. Department of Defense on Friday announced that the nation's missile defense system failed in a latest test with a ground-based interceptor missile failing to hit an incoming ballistic missile over the Pacific.

英语学习方法总论（口语）

方法就是方法，它最终无法取代刻苦的学习。 Oral English: 口语学习方法总汇 (1).We study spoken English so as to make oral communications, so this order of importance of oral English study should be followed: Fluency, Accuracy

口语提高的秘籍

(1). We study spoken English so as to make oral communications, so this order of importance of oral English study should be followed: Fluency, Accuracy, and Appropriateness. That is to say, we have to pay more attention to practical communicating abi

提高英语口语的秘籍

1). We study spoken English so as to make oral communications, so this order of importance of oral English study should be followed: Fluency, Accuracy, and Appropriateness. That is to say, we have to pay more attention to practical communicating abil

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提高英语口语的秘密

提高英语口语的方法 (1). We study spoken English so as to make oral communications, so this order of importance of oral English study should be followed: Fluency, Accuracy, and Appropriateness. That is to say, we have to pay more attention to

高效的英语口语学习方法

高效的英语口语学习方法 口语学习方法总汇，但方法毕竟只是方法，它最终无法取代刻苦的学习，一起来看看总结出来的口语学习方法都有哪些吧。 (1)。We study spoken English so as to make oral comm

英语口语的学习方法

英语口语的学习方法 方法就是方法，它最终无法取代刻苦的学习。 Oral English：（口语学习方法总汇） （1）。We study spoken English so as to make oral communications， so this order of importance of oral English

妙招学口语（下）

妙招学口语（下） (6)、Oral composition and 3-minute training method: This method is suitable for intense training. Making an oral composition about a certain topic for one minute thefirst time and record the composition on tape at the sameti

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(1).We study spoken English so as to make oral communications, so this order of importance of oral English study should be followed: Fluency, Accuracy, and Appropriateness. That is to say, we have to pay more attention to practical communicating abil

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小学英语写作范文：感恩父亲 Dear Dad: You have worked hard! In the past, I am always afraid to you and positive dialogue. Every time something was always afraid to tell you. Because when you face the total serious. Today to take this oppo