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Since there is such an abundance of food in the sea, it is understandable th
Since there is such an abundance of food in the sea, it is understandable th
游客
2023-07-24
65
管理
问题
Since there is such an abundance of food in the sea, it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that【C1】______on land should have returned to the sea. Those that【C2】______have flourished. Within about 50 million years--【C3】______time at all, geologically speaking--one of the four kinds of mammals that has【C4】______to a marine environment has developed into the largest of all animal【C5】______, the whale. A second kind, the seal, has produced what is probably the greatest population of large carnivorous mammals on Earth.
This suggests that these "top dogs" of the ocean are【C6】______and multiplying.【C7】______, such has not been the case, at ieast not for the last 150 years. Trouble has closed in【C8】______these mammals in the form of equally warm-blooded and even more【C9】______adaptable predators, humans. At sea,【C10】______on land, humans have now【C11】______themselves on the top of the whole great pyramid of life, and【C12】______have caused serious problems for the mammals of the sea, There is a simple【C13】______for this.
【C14】______mammals have the misfortune to be swimming aggregates of【C15】______that humans want: fur, oil and meat. Even so, they might not be so【C16】______to human depredation if they did not, like humans,【C17】______so slowly.
Every year humans【C18】______more than 50 million tons of fish from the oceans without critically depleting the population of any【C19】______. But the slowbreeding mammals of the sea have been all but wiped out by humans【C20】______satisfy their wants and whims. [br] 【C17】
选项
A、reproduce
B、produce
C、make
D、enlarge
答案
A
解析
动词辨义题。此处是个对比,如果海洋生物繁殖速度快于人类,则不会遭受太大的伤害。故选择 reproduce“繁殖”。produce意为“生产”,多指工业生产,而非繁殖;make意为“制造,制作”,不准确; enlarge意为“扩大”,与原文无关。
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