先谢谢你们...帮帮我... ToT ~`我鞠躬了...我所有的分都给你们...
⒈ If you looked at the Pacific fromm a space-capsule.
⒉ The sea contains large numbers of substance(物质),besides common different materials.
⒊ It would cost more to get these precious metals than they are worth.
⒋ We use huge quantities of sand in industry to make glass,detergents and cements.
⒌ Besides materials like salt and sand,we get great deal of food from the sea.
⒍ One day we may even have undersea farms.
⒎ We have hardly begun to explore the sea.
⒏ In some ways it is less familiar than outer space.
再次感谢``