Passage 2
Man is a land animal, but he is also closely tied to the sea. Throughout history the sea has served the needs of man. The sea has provided man with food and a convenient way to travel to many parts of the world. Today, experts believe that nearly two-thirds of the world’s population live within eighty kilometers of the seacoast.
(1) In the modern technological world the sea offers many resources to help mankind survive. Resources on land are beginning, to grow less. The sea, however, still offers hope to supply many of man’s needs in the future.
The riches of the sea yet to be developed by man’s technology are impressive. Oil and gas explorations have existed for nearly thirty years. Valuable amounts of minerals such as iron, copper and so on exist on the ocean floor.
Besides oil and gas, the sea may offer new sources of energy. For example, warm temperature of the ocean can be used as the steam in a steams
A. man hasn’t completely made use of the riches of the sea
B. technology for exploring the sea has been solved
C. harvesting rice in the sea will be made possible
D. in the near future man can live on the ocean floor
Passage 2
Man is a land animal, but he is also closely tied to the sea. Throughout history the sea has served the needs of man. The sea has provided man with food and a convenient way to travel to many parts of the world. Today, experts believe that nearly two-thirds of the world’s population live within eighty kilometers of the seacoast.
(1) In the modern technological world the sea offers many resources to help mankind survive. Resources on land are beginning, to grow less. The sea, however, still offers hope to supply many of man’s needs in the future.
The riches of the sea yet to be developed by man’s technology are impressive. Oil and gas explorations have existed for nearly thirty years. Valuable amounts of minerals such as iron, copper and so on exist on the ocean floor.
Besides oil and gas, the sea may offer new sources of energy. For example, warm temperature of the ocean can be used as the steam in a steams
A. Needs of Man
B. Sea Harvest and Food
C. Sea and Sources of Energy
D. Sea Exploring Technology
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