钙菱锰矿

大学英语精读第四册 Unit Five:To Lie or Not to Lie--The Docto

Text Is it ever proper for a medical doctor to lie to his patient? Should he tell a patient he is dying? These questions seem simple enough, but it is not so simple to give a satisfactory answer to them. Now a new light is shed on them. TO LIE OR NOT

发表于:2018-12-04 / 阅读(83) / 评论(0)

大学英语精读第四册

国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(62) / 评论(0)

国家地理2008年

EXPLORATIONS - Doc Holliday and the Old West

EXPLORATIONS - Doc Holliday and the Old West By Paul Thompson Broadcast: Wednesday, April 21, 2004 (THEME) VOICE ONE: This is Phoebe Zimmermann. John Henry Holliday. VOICE TWO: And this is Doug Johnso

发表于:2019-01-07 / 阅读(66) / 评论(0)

Explorations

Dodgers Doc: No Non-Injury Tommy John Surgery To Improve Performance 道奇队 Doc︰没有非损伤汤米约翰手术以提高性能

There was a recent study that did a survey of parents and coaches asking them what they thought about Tommy John surgery. 有了最近的一项研究做了一个调查的父母和教练询问了他们的想法汤米约翰手术。 Dr. Stan Conte, vic

发表于:2019-02-14 / 阅读(82) / 评论(0)

2016年Scientific American(八)月

Haiti police detains former president "Baby Doc"

PORT-AU-PRINCE, Jan. 18 (Xinhua) -- Former Haitian President Jean Claude Baby Doc Duvalier, who returned from France to the country on Sunday, was detained on Tuesday, police said. Baby Doc, who was deposed in 1986 after popular uprisings, governed H

发表于:2019-02-18 / 阅读(143) / 评论(0)

英语新闻

英语听力：自然百科 Rho Ophiuchi Cloud 璀璨的星云

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(147) / 评论(0)

自然百科2008年

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学英语单词

anti-nucleating agent

basic structural element