单词：point source of waste water
单词：point source of waste water 相关文章
Lesson 38 Water and the traveller 水和旅行者 First listen and then answer the following question. 听录音，然后回答以下问题。 What does this text describe? Contamination of water supplies is usually due to poor sanitation close to wat
新概念英语第四册
英语文摘欣赏 Once there was a great Sufi saint. In his last days, someone asked him about his master. Saint said, Since you asked I will certainly tell you about three masters. 曾经有一位伟大的苏菲派（伊斯兰神秘主义派别的总
阅读空间
The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di
VOA标准英语2010年(八)月
While one of the most pressing political and social issues facing the Arab world rarely makes headlines, it is an issue that some political analysts believe could lead to the next great confrontation in the region. Rapidly expanding Arab populations
2005年NPR美国国家公共电台
Waste Not, Want Not Next week (8/26-31) is World Water Week, and this years theme is Water and Food Security. Some 25 hundred officials, policymakers and scientists will gather in Stockholm for the largest annual meeting on water development issues.
VOA标准英语2012年(八月)
BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu
英语新闻