旅行澳大利亚-回归原生态-凯恩斯.mp3、mp4
凯恩斯是澳大利亚昆士兰州北部的主要城市，海岸线上绵延着纯白的沙滩，到处是充满热带风情的海盗、珊瑚礁，构成绝美的景色。
珊瑚礁
Passage 2Questions 6 to 10 are based on the following passage: Half of the world’s coral reefs(珊瑚礁) have died in the last 30 years. Now scientists are racing to ensure that the rest survive. Even if global warning were to right now, scientists predict th
Passage 2Questions 6 to 10 are based on the following passage: Half of the world’s coral reefs(珊瑚礁) have died in the last 30 years. Now scientists are racing to ensure that the rest survive. Even if
The word “address” in Paragraph 1 is closest in meaning to _____.
The word “address” in Paragraph 1 is closest in meaning to \_\_\_\__.
Why are coral reefs called “the rainforests of the sea”?
Why are coral reefs called “the rainforests of the sea”?
The corals turn _____ in the process of “bleaching”.
The corals turn \_\_\_\__ in the process of “bleaching”.
According to the passage, _____ is the biggest threat to coral reefs.
According to the passage, \_\_\_\__ is the biggest threat to coral reefs.
南沙群岛珊瑚礁地貌研究.pdf
本书是南沙综合科学考察系列成果之一。作者根据多年从事南沙群岛珊瑚礁调查获得的第一手资料，结合遥感资料和先进的仪器观测，论述了南沙群岛珊瑚礁的地貌形态、结构和成因，并通过数理分析探讨其发育规律。本书对我国今后继续开展南沙综合考察，维护我国对南沙群岛的海洋权益，发展南沙群岛及其邻近海
珊瑚礁鱼类 : 南沙群岛及热带观赏鱼.pdf
《珊瑚礁鱼类——南沙群岛及热带观赏鱼》介绍了南沙群岛珊瑚礁水下生态环境及生活在这些珊瑚礁的各种热带鱼类，并适当选入其他热带海域具有代表性的一些观赏鱼类，共计珊瑚礁鱼类244种。书中除照片外，还辅以文字简要说明这些鱼类的形态特征和地理分布。 《珊瑚礁鱼类——南沙群岛
珊瑚礁的奥秘.pdf
本书是《地质学基础知识丛书》之一。书中首先从珊瑚的种类、构造和生态说起，比较全面而又通俗地叙述了珊瑚的类型、发生、发展、分布及其成因。并列举了我国和国外的许多珊瑚礁实例，最后还着重介绍了各地质历史时期的各种生物礁及其与石油等矿产资源的关系。 本书可供中等文化程度以