单词：provenience study
单词：provenience study 相关文章
Treatments Proven Effective in Studies, Work in Real Life Too Evidence-based medicine means just what it says - treatments that have been shown in scientific studies to work. But studies are one thing - do these treatments work as well in real-world
VOA标准英语2011年(四月)
Study: Ocean Acidity Exceeds Natural Norms New research suggests an overload of carbon dioxide in the oceans is posing a serious threat to marine life, food security and tourism. While most CO2 emissions from automobiles, buildings and factories go i
VOA标准英语2012年(一月)
英语作文 Direction:For this part,you are allowed 30 minutes to write a composition in three paragraphs.You are given the first sentence of the three paragrapgs.Your part of the composition should be no less than 100 words,not including the words giv
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Study: Climate is Major Violence Trigger A new study in the journal Nature finds that war is associated with global climate. Researchers from Princeton University and the Earth Institute at Columbia University focused on the natural climate cycle kno
VOA标准英语2011年(八月)
Study: Warm Ocean Speeds Antarctic Melting The study's lead author, Hamish Pritchard, is a glaciologist with the British Antarctic Survey. In 1993, and again in 2003, he observed the collapse of two ice shelves on the Antarctic Peninsula. He says the
VOA标准英语2012年(五月)
WASHINGTON, Dec. 22 (Xinhua) -- The journal Science on Thursday chose the HPTN 052 clinical trial, an international HIV prevention trial as the 2011 Breakthrough of the Year. The study found that if HIV-infected heterosexual individuals begin taking
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