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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
国家地理2008年
Directions: For this part, you are allowed thirty minutes to write a composition on the topic My View on dob-hopping. You should write at least 120 words and you should base your composition on the outline (given in Chinese) below: 1．有些人喜欢始
英语四级作文范文
A bunch of my old college friends came into town for a few days and we went out last night bar hopping until closing time. We started around 9 p.m. and were on our third bar when we closed it down. Some of us were starving and the rest of us were pec
地道美语播客
on a cloud under a cloud 你们肯定都知道英文里的前置词有时会使人很混乱，它们在句子里虽然不显眼，但是作用却很关键，用错了一个前置词意思可能完全不
美国习惯用语
Roaming Cloud by Rabindranath Tagore I am like a remnant of a cloud of autumn uselessly roaming in the sky, O my sun ever-glorious! Thy touch has not yet melted my vapor, making me one with thy light, and thus I count months and years separated from
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SAN FRANCISCO, June 28 (Xinhua) -- Microsoft on Tuesday launched its cloud service Office 365, which was the software giant's answer to competing products from Google and other companies. The service includes on-line versions of Word, PowerPoint, Exc
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