Resources can be of two basic types: those, such as food, that are renewable because they can be replaced by the growth of plants and animals, and those, such as most mineral resources, including coal and oil, that are depletable and so are nonrenewable because there is a fixed supply....
at the depth As we all know, there are varieties of resources ___of the ocean___.②过去的十年目睹了很多海洋生物的灭绝。The past decade has witnessed that many marine crea-tures have died out.③海洋污染受到全球极大的关注。Marine pollution as ben gealy concnedby the whole world.④我们应该...
我来说两句 短评 ··· 热门 还没人写过短评呢 我要写书评 Seaweed Resources of the Ocean No 138的书评 ··· ( 全部0 条 ) 论坛 ··· 在这本书的论坛里发言 + 加入购书单 谁读这本书? ··· 二手市场 ··· 在豆瓣转让 手里有一本闲着? 订阅关于Seaweed Resources of the ...
(give)China its place alongside the world's top ocean explorers. The research conducted by these vessels is providing scientists with a better understanding of the sea bed was formed, as well as helping identify areas for deep-sea drilling, taking deep-sea exploration into a whole new era. ...
1)exploitation of marine resources海洋资源开发 1.This thesis analyzes the matters on structure, technology and management in theexploitation of marine resourcesin Hebei province, raises the six countermeasures for exploitation and protection of Hebei Province marine resources, and puts emphasis on the di...
解析 A。解析:先行词是“the ocean”,为物。在定语从句“covers a large part of the earth”中关系词作主语,指代“the ocean”。which可指物作主语,where作地点状语,that在非限制性定语从句中不能使用,what不能引导定语从句,所以选A。反馈 收藏
This work briefly outlines modern ideas on geochemistry of rare earth elements (REE) in the ocean. Sources of REE and chemical properties of these elements
百度试题 结果1 题目 5.海洋是我们赖以满足食物、能源等需求的资源之一。The ocean can be one of the resources for us to rely on to fulfill the needs such as food, energy,etc___. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
Another widespread ocean plant is sargassum, a type of seaweed that provides a habitat for marine animals but can be a nuisance when it washes up on beaches as it smells bad and obstructs fishermen trying to get their boats in and out of the water. Incoming rafts can also damage ...
It's been suggested that the first thing Homo sapiens did once he and she had evolved was head for the beach. This is demonstrated in dramatic fashion by a series of discoveries in Middle Pleistocene sediments from a South African sea cave near Pinnacle