【单选题】What We Take from and Give to the Sea 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 se
A、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 se
A、 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 ,ore than ever.
A、cure
B、cause
C.experience
D.catch
网考网参考答案:B
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