单词：aromatic sulfuric acid
单词：aromatic sulfuric acid 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
Business this week. 一周商业要闻 It was a big week for the mobile phone industry, with the announcement of two long mooted deals. 对移动电话行业来说这周很重要，这周公布了两个酝酿已久的交易。 In the first, and after
经济学人要闻
推论题(Inference)：文章中有些论点/观点没有明确阐述，但却强烈暗示出来了。例如，文章论述的结果引出了，推论题就可能就造成结果的起因提问。如果文中有比较，推论题就可能问做比较的
托福英语