What We Take from

共享题干题【2015年真题】                            （一） What We Take from and Give to the Sea
据短文内容为每处空白确定1个最佳选项。
阅读下面的材料，回答下列的问题：
      As long as we have been on earth, we have used the sea around us. We take from the ocean, and we give to it. We take fishes from the ocean-millions of kilograms of fish, every year, to______（51）millions of people.
   We even______（52）their bones for fertilizer. We take minerals from the ocean. One way to get salt is to______（53）seawater in shallow basin and leave until it evaporates( 蒸发 ). Along with salt, other minerals are left ______（54）evaporation.Much gold and silver drift dissolved in the waters of the sea, too. But the sea does not give them ______（55）by simple evaporation.
      ______（56）gifts from the sea are pearls, sponges( 海绵) and seaweed. Pearls______（57）jewelry. Natural sponges become cleaning aids. Seaweed becomes______（58）of many kinds-even candy, and ice cream - as well as medicine. Believe it or not, fresh water is another______（59）from the sea. We cannot drink ocean water. Some of its contents may. ______（60）illness. But ocean water becomes fresh water when the salts are______（61）. In the future, we will find ourselves______（62 ）more and more on fresh water from the sea.
     The sea______（63）us food, fertilizer, minerals, water, and other gifts. What do we give the sea? Garbage. We pollute the ocean ______（64） we use it as a garbage dump. Huge as it is, the ocean cannot hold all the water that we pour into it.______ （65 ）garbage into the ocean is killing off sea life. Yet as the world population grows, we may need the sea and its gifts ,more than ever.