单词：ocean food resources
单词：ocean food resources 相关文章
[00:01.55]People need basic necessities [00:04.15]such as food,clothes and houses. [00:08.52]This means that more of our natural resources [00:11.87]like oil and coal are used [00:14.98]up to produce these things. [00:17.55]Also, more of our environm
外研社新标准初中英语九年级
ARE WE WNDANGERED? steve jones is an environmental expert who tries to keep animals and plants from becoming endanged,we are not alone in the world. we human beings could not survuve without all the plants and animals around us. we often talk about h
高一上听力与朗读
The U.N. holds a high-level conference on world food security this week in Rome. In Washington, a research group says greater investment in female farmers would increase agricultural productivity. Transcript of radio broadcast: 01 June 2008 This is
VOA慢速英语2008年（六）月
Human demands on natural resources have doubled in under 50 years and are now outstripping（超过） what the Earth can provide by more than half, a new report has warned. And humanity carries on（继续） as it is in use of resources, globally i
英语新闻
海洋环境MARINEENVIRONMENTS 海洋生态系统Marineecosystems 藻花Algalbloom 海底生态系统Benthicecosystems 海洋污染Marinepollution 污染沉积物Marinesediments 海洋环境Oceancircul
英文语法词汇
By 2050, small fish could dominate(控制支配) the oceans because of the rapid decline of larger, predator fish. In a new report, the U.N. Food and Agriculture Organization finds that one-third of the worlds fisheries are overexploited, depleted or
英语新闻