单词：public sanitary engineering
单词：public sanitary engineering 相关文章
Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there wil
大学四级英语考试听力真题
World Health Organization says people are at great risk of getting diarrhea, cholera and other water borne diseases because of the bad sanitary conditions and contaminated water. Lisa Schlein | Geneva 30 January 2010 A camp of makeshift tents sprawls
VOA标准英语2010年(一月)
And it seems to me that the first question 我的看法是， is entirely a biology question, 第一个问题完全是生物学的问题， and it's extremely hard to answer. 这是非常难回答。 One has to be very speculative, 一个人必须非常
TED演讲科学篇
Engineered devices are all around us. From cell phones and computers to hybrid cars and deep-water oil platforms, advances in engineering are profoundly changing our lives. But concerns are growing that public understanding of how these technologies
VOA标准英语2010年(七)月
Engineered devices are all around us. 我们身边全是机械电子产品。 From cell phones and computers to hybrid cars and deep-water oil platforms, advances in engineering are profoundly changing our lives. But concerns are growing that public
VOA双语新闻 2010年8月
Topic1 Drag-Racing Accident in BeijingAfter a real-life Fast and Furious car race in downtown Beijing, two people have been detained on suspicion of dangerous driving. Is drag racing becoming a bigger problem? Topic2 Public Asked to Choose the Hand S
英语角-圆桌会议