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Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

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[00:00.00] MODULE 3 STATIONERY [00:05.47]Unit 7 Where's My pencil? [00:11.63]VOCABULARY [00:14.87]where where's=where is pencil it [00:21.40]什么地方;哪里 是在哪里 铅笔 它 [00:27.94]on desk no bed [00:32.96]在...的上面 书桌 不;不是

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VOA标准英语2011--NASA Announces Next Generation Spacecraf

NASA Announces Next Generation Spacecraft NASA has unveiled plans for its next-generation, post-Shuttle spacecraft to carry humans into earth orbit and beyond. The state-of-the-art, four-astronaut capsule, called the Multi-Purpose Crew Vehicle or MPC

美国国家公共电台 NPR 50 Years Later, NASA Creates Tribute To 3 Astronauts Who Died In Space Race

ARI SHAPIRO, HOST: Tomorrow marks the 50th anniversary of a tragic moment for America's space program - the Apollo 1 fire that killed three astronauts. The fire erupted on the launch pad during a routine test. The accident shocked NASA just as the ag

美国国家公共电台 NPR Moonwalkers' Apollo 11 Capsule Gets Needed Primping For Its Star Turn On Earth

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Daily English-2017年05月04日

She is grieving the loss of her biological daughter. 她沉浸在失去亲生女儿的悲痛之下。 图片1

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By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

2006年VOA标准英语-UN Conference Focuses on Bio-terrorism Threat

By Lisa Schlein Geneva 19 November 2006 The threat of bio-terrorism will top the agenda of a sixth review conference of the 1972 Biological Weapons Convention. The two-week conference, which begins Monday in Geneva will review the ban on biological

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嫦娥二号 Chang'e-2（moon probe） 神舟七号 Shenzhou VII (spacecraft) 载人飞船 manned spaceship/ spacecraft 载人航天 manned space flight 多人多天太空飞行 multi-manned and multi-day space flight 载人航天计划 manned space

【文摘】男性生物钟

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

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AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

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By Lisa Schlein Geneva 20 August 2007 Experts attending an international conference are calling for quick action to reduce the threat posed by biological weapons. Participants attending the week-long meeting at the United Nations in Geneva say the so

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Australia has opened a new National Center for Bio-Security to build its defenses against infectious diseases and biological weapons. Medical experts say it will help protect the country from threats such as SARS and bird flu as well as attacks by t

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WASHINGTON, May 25 (Xinhua) -- SpaceX's unmanned Dragon capsule docked with the International Space Station on Friday and became the first commercial spacecraft to reach the orbital outpost. According to U.S. space agency NASA, the capsule was secure

VOA标准英语2011--Israel Practices Biological Attack Response

Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e

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NASA has unveiled plans for its next-generation, post-Shuttle spacecraft to carry humans into earth orbit and beyond. The state-of-the-art, four-astronaut capsule, called the Multi-Purpose Crew Vehicle or MPCV, builds on earlier designs for the Orion

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Yet there is surprisingly little agreement on how many phyla there are or ought to be. 然而，令人吃惊的是，在关于有多少门或诙有多少门的问题上，人们的看法大相径庭。 Most biologists fix the total at about thirty, b