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潜入大西洋海底三千米 : "法姆斯"(FAMOUS)海底探险记.pdf

为了进一步证实板块和海底扩张学说,法、美两国联合制定了大洋中脊水下考察计划,利用潜水器潜入3000米深的海底,对美洲板块和非洲板块的交接处进行了实地考察。本书用生动的报告文学的笔法详细介绍了各次潜水的经过以及所取得的成果。书中还结合板块及海底扩张学说论述了这次考察的重要性和必要性

Passage 1  People travel for a lot of reasons. Some tourists go to see battlefields or religious shrines. Others are looking for culture, or simply want to have their picture taken in front of famous places. But most European tourists are looking for a su

Passage 1  People travel for a lot of reasons. Some tourists go to see battlefields or religious shrines. Others are looking for culture, or simply want to have their picture taken in front of famous

Passage 2  Man has always wanted to fly. Some of the greatest men in history had thought about the problem. One of them, for example, was the great Italian artist, Leonardo Da Vinci. In the sixteenth century he made designs for machines that would fly, bu

Passage 2  Man has always wanted to fly. Some of the greatest men in history had thought about the problem. One of them, for example, was the great Italian artist, Leonardo Da Vinci. In the sixteenth