UNIT 4 Text A FRE-READING TASK Exercise 1 Before reading the passage, think over the questions. 1. Do you think there exist intelligent beings in outer space? 2. Is it possible to communicate with int

发表于:2018-12-04 / 阅读(190) / 评论(0) 分类 实用英语综合教程

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. For folks whove engaged in the strange ritual of speed dating, finding that special someone is like winning a romantic game of musical chairs. Now scient

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. 'Tis the season when many of us go on a seafood diet: we see food and we eat it. But if you want to avoid packing on the pounds, a new study suggests tha

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Whaddya get when you cross a planet with a comet? Well, HD 209458b looks like a candidate. Its a gas giant planet also called Osiris, and its orbiting so close to its st

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Quality truffles can sell for more than a $1000 a pound. Theyre also valuable in environmental research, work thats discussed in an article called The Hidden Life of Tru

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Believe it or not, violence has been in decline for long stretches of time. And today we are probably living in the most peaceful time in our species' existence. Harvard

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in Physics goes to Saul Perlmutter at the Lawrence Berkeley National Lab, Brian Schmidt at the Australian National Lab and Adam Reiss at Johns Hopki

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-SecondScience. Im Steve Mirsky. This will just take a minute. Economics:supply and demand. Thats Father Guido Sarducci... Thats it. sharing theentirety of the economics course at his Five-Minute-University. Of course,

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science.I'm Steve Mirsky. Got a minute? Hi. Im running. Im also telling some ofmy stem cells what to do right now. Well, I probably am, based on a new study with mice. We have what are called mesenchymal stemce

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60 Second Science, I am Steve Mirsky, got a minute? Thirty percent of the teachers around the country teaching physics either dont have a degree in physics or dont have a minor in physics. Philip DiStefano, chancellor of t

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(四)月

中国 东方 科学仪器 进出口公司 (China Oriental Scientific Instruments Imp. Exp. Corporation)A B C DA:企业注册地址;B:企业专名;C:企业生产对象或经营范围;D:企业的性质A按地名翻译的原则处理;B可

发表于:2019-01-17 / 阅读(69) / 评论(0) 分类 英语口译

more than的用法 简简单单的more than,用法可多呢!下面是些好例子: A. More than+名词表示多于、非但尤其是如: 1. Modern science is more than a large amount of information. 2. Jason is more than a lecturer; he is

发表于:2019-01-18 / 阅读(88) / 评论(0) 分类 托福英语

Premier Li Keqiang says China should consider science and technology as a primary productive force. Scientific and technological innovation to a large extent determines the future of China's development strategy. In history, we have missed several te

发表于:2019-01-20 / 阅读(78) / 评论(0) 分类 英语新闻

今天我们要学的词是clear-cut。 Clear-cut, 是清楚的,明确的。There was no clear-cut winner in the debate, 这场辩论没有明确的胜利者。Last year's championship team is not the clear-cut favorite for this season, 去年的冠军

发表于:2019-02-03 / 阅读(63) / 评论(0) 分类 英语每日一词

JIUQUAN, Gansu, May 6 (Xinhua) -- China successfully launched its Tianhui I-02 mapping satellite from the Jiuquan Satellite Launch Center in northwest China's Gansu province at 3:10 p.m. Sunday. The satellite, which was launched using a Long March 2-

发表于:2019-02-08 / 阅读(92) / 评论(0) 分类 英语新闻

中国人学习英语,最大的拦路虎大概就是阅读了。速度必须要慢,必须要一个个单词地阅读,才能理解的较为全面,这样下来自然速度慢了不少。而在GRE要 15分钟内读完2篇阅读做完11道题、L

发表于:2019-02-17 / 阅读(50) / 评论(0) 分类 GRE英语