标签：comet 相关文章
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用Mp3背六级单词
After breakfast the next day, the children were pleased to learn that Grandfather was also going to the QuestMaster meeting. C.D. had invited his uncle John and Mr. Alden to take a peek at Ringmaster II. Grandfather, Violet, and Soo Lee sat waiting i
78 The Mystery in the Computer
Once the knight was gone, the candles and torches in thegreat hail grew dimmer. A bitter chill crept over the room. What do these three rhymes mean? said Jack, looking at hisnotebook. Who are the Keepers of the Cauldron? What secretdoor?I don't know,
汪培珽儿童英文分级书单《神奇树屋》
Citizen-Scientists Take Control of Old Satellite 平民科学家控制旧卫星 For the first time, the American space agency has given control of one of its spacecraft to a team of citizen-scientists. The satellite was launched in 1978 and had not b
2014年VOA慢速英语(九)月
arc弧线 arch拱 astronomy天文学 aerodynamic空气动力学的 axis轴 comet彗星 dense稠密 eject驱逐 doctrine学说 gravel砂砾 hemisphere半球 galaxy银河，星系 gauge估计 meteorology气象学 magnitude大小 perpendicular垂直的
80天攻克雅思核心词汇
SCIENCE IN THE NEWS - True or False: Kids + Too Much TV = Less Ability to Learn? By Jill Moss, Jerilyn Watson,... Broadcast: Tuesday, July 26, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in V
科技之光
STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about an American spacecraft that has a date with a comet. We hear the latest about a Space Shuttle commander whose wife co
2011年VOA慢速英语(二)月
AS IT IS 2014-04-08 International Space Station Puts on a Saturday Night Show 周六晚上人们抬头就可以看到国际空间站 Hello and welcome! Im Jim Tedder in Washington with the program that helps you learn and improve your American Englis
2014年VOA慢速英语(四)月
The jet age of passenger travel began when the de Havilland Comet airliner took flight in Britain in 1949. Now, the only complete de Havilland Comet to survive in the Western Hemisphere is being restored in Everett, Washington. Taking flight It was b
VOA标准英语2010年(十)月
ESA Spacecraft to Land on a Comet 欧洲航天局探测器登录彗星 After a long flight through deep space, a European Space Agency probe is finally approaching its target - a comet millions of kilometers away from earth. Scientists say the missio
VOA标准英语2014年(七月)
I would like to visit Jupiter one day，I think it would be a good place to take a vacation, but not on July of 1994. That would have been a terrible time. In July, 1994, the fragmented comet Shoemaker-Levy 9 that David helped / discover began its fa
自然百科2012年
By David McAlary Washington 10 January 2006 Courtesy of NASA Artist's conception of Stardust spacecraft collecting dust from comet Wild-2 A U.S. spacecraft is returning to Earth with a precious cargo
2006年VOA标准英语（一月）
S. African Scientists Claim Discovery of First Comet Strike 南非科学家发现首个彗星曾撞击地球的证据 JOHANNESBURG South African researchers say they have found conclusive evidence of earth's first-ever known comet strike, about 28 mi
VOA常速英语2013年(十月)
If you find yourself away from a city, spend an hour looking up on any clear, moonless night. You're bound to see a few brilliant shooting stars. These actually have nothing to do with stars: They're meteors, and if your viewing conditions are good,
英语听力文摘 English Digest
In 1962, NASA decided to bring more astronauts into the space program. NASA especially wanted test pilots and men with engineering backgrounds. Neil Armstrong met all the qualifications. He was less than thirty-five years old, in perfect health, and
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