SSS 2008-06-25

This is Scientific American's 60-Second Science. Im Steve Mirskey. Got a minute? That morning coffee is just the thing to get the brain in gear and the body moving. But it turns out that just the aroma of coffee also gets some of our genes up and at

SSS 2008-10-30

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. When it comes to flu shots, the more the merrier. Happily, that doesnt mean you need to get jabbed more than once. What it does mean, according to two re

SSS 2010-01-22

When you picture ancient Egyptian beauties such as Queen Nefertiti or Cleopatra, theyre probably wearing dramatic black eyeliner. Ancient Egyptians believed that eye makeup had properties bestowed by the gods that protected the wearers from illness.

SSS 2010-09-29

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will take a minute. For those of you who love a tall tale, the list of genetic variations that determine human height has just experienced a growth spurt. The findings were publish

SSS 2009-04-13

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths original atmosphere would have been unpleasantdeadly in factto any organisms that breathe oxygen. There wasnt any. Not until about 2.4 billi

GRE官方指南对阅读视角的要求

官方指南中，说明了GRE阅读考察的是以下一系列能力： Reading Comprehension questions are designed to test a wide range of abilities required to read and understand the kinds of prose commonly encountered in graduate school. Those

星座商业伙伴之天蝎篇

SCORPIO October 24 to November 22 The Scorpio temperament is entirely unfit for partnership unless other aspects in the birth figure modify the character. They are unreasonable, tyrannical, dogmatic, and so irascible that no worthwhile partner would

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CNN 2010-10-10

The Norwegian Nobel Committee has decided to award the Nobel Peace Prize for 2010 to Liu Xiaobo for his long and non-violent struggle for fundamental human rights in China. Today as we approach that two-year mark, I'm announcing that the Jim has deci

SSS 2008-12-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. M.I.T. scientists have designed a new robot. Youll probably never see it thoughits meant to be hidden. Because its a robot clam. Engineers wanted to de

SSS 2008-03-07

This is Scientific American's 60-Second Science. I'm Steve Mirskey, Got a minute? Here is another reason to stop global warming to keep the Burmese pythons in Florida. Burmese pythons have been turning up in south Florida in recent years. Perhaps you

SSS 2011-10-07

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

SSS 2010-01-06

Stereotypes are usually the last thing to change in the face of contradictory evidence. A case in point is the long held belief that boys are better at mathematics than girls. Well a meta-analysis to be published in the journal Psychological Bulletin

SSS 2011-12-02

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

SSS 2011-11-14

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Think of the weirdest creatures you've ever seen in a sci-fi film. Now think of this: there are far stranger, albeit smaller, critters living in your o

优化Z角度使跑步免受伤害

The Gait Guys define the Z angle as: hip extension should equal ankle dorsiflexion, and vice versa. (Hip extension is the direction of your hip moving towards the back of your body. Ankle dorsiflexion is the movement of your toes and ankle being flex

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科技翻译不仅仅是个语言问题（词汇、语法、修辞等），它是牵涉到许多非语言方面的因素。逻辑便是其中最活跃、最重要的因素。苏联语言学家巴尔胡达罗夫曾举过这样一个例子：John is in

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The Athenian philosopher Socrates (470-399 B.C.) was the first person in Greece to propose a morality based on individual conscience rather than the demands of the state, and for this he was accused of not believing in the citys gods and so corruptin

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情态动词+have+过去分词 情态动词+完成式（即情态动词+have+过去分词）是高中英语教材中经常出现的动词结构，也是高考试卷非常青睐的项目之一，频频出现在高考试题中。 请看以下高考题：

2015大学英语六级写作常见错误分析(2)

用词错误 1) Students must know how to operate a computer. / Students must know how to work on a computer. 2) People can be exposed to many new things on the Internet. / People can learn many new things on the Internet. 3) The purpose of this lett