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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

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(三)月

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

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(十)月

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

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(一)月

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

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(十二)月

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

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(十一)月

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

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 实用英语

谈科技翻译中的逻辑判断

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

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 英语笔译

托福阅读长难句分析：苏格拉底道德论

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

发表于:2019-01-08 / 阅读(57) / 评论(0) 分类 托福英语

情态动词易错题

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：

发表于:2019-01-17 / 阅读(50) / 评论(0) 分类 英文语法词汇

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

发表于:2019-01-17 / 阅读(71) / 评论(0) 分类 四六级写作指导

2015大学英语六级写作常见错误分析(1)

语法错误 (一)句子结构错误 1. 主从句叠置 1) There are more and more students who like to use the computer. / More and more students like to use the computer. 2) There are still many problems that should be noted and resolved. / Many pr

发表于:2019-01-17 / 阅读(72) / 评论(0) 分类 四六级写作指导

实用：英文简历中绝不能出现的内容

致命的大错Finished 8th in my high school graduating class of 10.Qualifications: No education or experience.I am relatively intelligent, obedient and loyal as a puppy.My compensation should be at least equal to my age.Reason for Leaving: It had t

发表于:2019-01-17 / 阅读(65) / 评论(0) 分类 实用英语

托福听力备考：扩大听力词汇量需要巧用故事

老师，之前教我的老师都说我的单词量低，我怎么扩大自己的词汇量?看到很多同学如饥似渴地想要解决自己的英语难题，我心里是欣慰的。在出国这条路上，这一群家庭条件还不错的同学，从

发表于:2019-01-17 / 阅读(53) / 评论(0) 分类 托福英语

英式英语和美式英语区别：从语法方面分析

美式英语和英式英语使用的是同一语法体系，但在某些情况下，尤其是在表达提供消息的时候，美式英语用一般过去时，而英式英语用现在完成时，例如：He just went home./He has just gone home.(他刚

发表于:2019-01-18 / 阅读(56) / 评论(0) 分类 英文语法词汇

托福阅读分析备考面面观

托福考试（TOEFL）是国际上最有影响力，使用最广泛的的英语水平测试之一。托福除了作为美国主流学校入学所需的标准化考试，申请签证和工作的过程中也会有需要托福成绩的机会，所以不少

发表于:2019-01-18 / 阅读(70) / 评论(0) 分类 托福英语

雅思阅读完成句子题的解题方法介绍

填空式完成句子 特点：大多数完成句子题不按原文顺序排列 解题步骤： 1. 分析需完成部分的语法属性 2. 划出已给出部分的中心词 中心词： (1) 空格前关键词(所有动词、介词、形容词) (2) 常规

发表于:2019-01-18 / 阅读(116) / 评论(0) 分类 雅思英语

雅思口语各分数段情况分析

雅思口语分数段5-6.5： keep talking 型考生。 很多同学都意识到了雅思想拿到理想的分数，流利与连贯至关重要。也有同学说某某其实水平不怎么样但就是不停的讲然后得了6.5。于是越来越多的同

发表于:2019-01-18 / 阅读(99) / 评论(0) 分类 雅思英语

U.S. rover landing on Mars to be live broadcast

WASHINGTON, July 31 (Xinhua) -- U.S. space agency NASA on Tuesday confirmed its most advanced planetary rover, Curiosity will land on the Martian surface at 1:31 a.m. EDT (0531 GMT) on Aug. 6 and the landing process will be broadcast live from Times

发表于:2019-01-31 / 阅读(110) / 评论(0) 分类 英语新闻

2014考研英语临考作文预测：个人体验

Directions: Study the following set of cartoons carefully and write an essay in which you should1)describe the cartoons, 2)stating its main idea, and 3)giving your comment. You should write about 160-200 words neatly on ANSWER SHEET 2. (20 points)【参

发表于:2019-02-01 / 阅读(80) / 评论(0) 分类 考研英语

2016年6月英语四级作文高频句分析：第十一部分

十一: Dialogues /monologues: 1, I am reading the garden column written by Steve Mann. 2, Gil was named the 2005 winner of the Polar Music Prize for his contributions to music. 3, The Olympic silver medalists will have to beat the double Olympic cha

发表于:2019-02-01 / 阅读(106) / 评论(0) 分类 四六级写作指导
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