超高速弹

Medieval siege 中世纪攻城战-5

With the manuscript as a starting point, Wayne used a combination of engineering theory and trial and error to come up with a working model.

发表于:2018-12-07 / 阅读(62) / 评论(0)

中世纪攻城战

白宫里的科学狂读《三体》的奥巴马

WASHINGTON President Barack Obama has started initiatives to study the brain and gene-based diseases. He has led attacks on the Ebola virus and antibiotic resistance. Last month, he wrote an academic article in a prominent medical journal. 华盛顿美

发表于:2019-01-07 / 阅读(39) / 评论(0)

英语新闻

美联社新闻一分钟 2006-10-12

[1] President Bush says the US is working toward a strong UN resolution on North Korea. This comes as the United Nations is weighing sanctions against North Korea for its reported nuclear test. The US

发表于:2019-01-08 / 阅读(94) / 评论(0)

美联社新闻一分钟2006

大学英语边练边背单词(8)

Lesson - 8 1. The patient has been ______ of the safety of operation . A. assured B. guaranteed C. entrusted D. confirmed patience 耐心，耐性 patient 病人 operation 手术，操作 assure 保证，

发表于:2019-02-01 / 阅读(27) / 评论(0)

考研英语

俄罗斯认为叙利亚反对派实用化学武器

MOSCOW, July 10 (Xinhua) -- Moscow guarantees that the conclusions of its expertise conducted over use of chemical weapons in Syria are correct, Russian Foreign Minister Sergei Lavrov said Wednesday. We guarantee that the trials were taken by the exp

发表于:2019-02-18 / 阅读(39) / 评论(0)

英语新闻

GRE阅读考生回忆：美国原始人的起源

Recent discoveries in New World archaeology along with newscientific methods for analyzing data have led to new ideas regarding theorigin of the first peoples of the Americas and their time of arrival. 新大陆考古发现和新的科学方法 The t

发表于:2019-03-11 / 阅读(138) / 评论(0)

GRE英语

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