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  3. About 3 billion people live within 100 miles (160km) of the sea, a number that could double in the next decade as humans flock t

About 3 billion people live within 100 miles (160km) of the sea, a number that could double in the next decade as humans flock t

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问题     About 3 billion people live within 100 miles (160km) of the sea, a number that could double in the next decade as humans flock to coastal cities. The oceans produce $3 trillion of goods and services each year and untold【C1】________for the Earth’s ecology. Life could not exist【C2】________these vast water reserves—and, if anything, they are becoming even more important to humans than before.
    Mining is about to begin under the seabed in the high seas. New summer shipping lanes are opening【C3】________ the Arctic Ocean. The genetic resources of marine life promise a big【C4】________: the number of patents has been rising at 12％ a year.
    But these developments are【C5】________compared with vaster forces reshaping the Earth, both on land and at sea. It has long been clear that people are damaging the oceans—【C6】________the melting of the Arctic ice in summer and the death of marine lives. Now, the【C7】________ of that damage are starting to be felt onshore.
    Thailand provides a【C8】________example. In the 1990s it cleared coastal plants to set up fish farms. Ocean storm surges in 2011, no longer【C9】________by the plants, rushed in to【C10】________the country’s industrial heartland, causing billions of dollars of damage.
    More【C11】________is the global mismanagement of fish stocks. About 3 billion people get a fifth of their protein from fish, making it a more important protein source than beef.【C12】________a vicious cycle has developed as fish stocks decline and fishermen【C13】________to grab what they can of the remainder.【C14】________the Food and Agriculture Organization, a third of fish stocks in the oceans are over-exploited. People could be eating much better, were fishing stocks【C15】________ managed.
    The forests are often called the lungs of the Earth, but the description better fits the oceans. They produce half the world’s【C16】________of oxygen. At the moment, the oceans are moderating the【C17】________of global warming— though that may not【C18】________. This cannot be good news,【C19】________scientists are still debating the likely consequences.【C20】________, the decades of damage imposed on the oceans are now damaging the environment on land.
【C5】
选项 A、minor
B、incredible
C、major
D、slow
答案A
解析 上句提到与海洋基因资源相关的专利持续增长，说的是好的方面。这句But表示语义转折，因此用于形容主语的形容词应和reshaping the Earth的巨大力量作比较。A项minor意为 “次要的，较小的”，语义符合。B项incredible和C项major分别表示“难以置信的”和“主要的”，人类在海洋上的这些发展显然不可能比后面所说的改变地球的力量更惊人或更主要，不合常理。D项slow意为“慢的”上下文没有语义线索表明这种发展的速度。
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