2. 考研
  3. In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the list (A、B、C、

In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the list (A、B、C、

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问题 In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the list (A、B、C、D、E、F、G……) to fit into each of the numbered blank. There are several extra choices, which do not fit in any of the gaps. (10 points)

    Water is the most common substance on earth. It covers more than 70 percent of the earth’s surface. It fills the oceans, rivers, and lakes, and is in the ground and in the air we breathe. Water is everywhere. Without water, there can be no life. In fact, every living thing consists mostly of water. (41)______
    (42)______. Rain hammers at the land and washes soil into rivers. The oceans pound against the shores, chiseling cliffs and carrying away land. Rivers knife through rock, carve, canyons, and build up land where they empty into the sea. Glaciers plow valleys and cut down mountains.
    (43)______. Land absorbs and releases heat from the sun quickly. But the oceans absorb and release the sun’s heat slowly. So breezes from the oceans bring warmth to the land in winter and coolness in summer.
    Throughout history, water has been people’s slave and their master. Great civilizations have risen where water supplies were plentiful. They have fallen when these supplies failed. People have killed one another for a muddy water hole. They have worshiped rain gods and prayed for rain. Often when rains have failed to come, crops have withered and starvation has spread across a land. (44)______
    Today, more than ever, water is both slave and master to people. We use water in our homes for cleaning, cooking, bathing, and carrying away wastes. We use water to irrigate dry farmlands so we can grow more food. Our factories use more water than any other material. We use the water in rushing rivers and thundering waterfalls to produce electricity. Our demand for water is constantly increasing.
    Every year, there are more people in the world. Factories turn out more and more products, and need more and more water. We live in a world of water. But almost all of it, about 97 per cent, is in the oceans. This water is too salty to be used for drinking, farming, and manufacturing. Only about 3 percent of the world’s water is fresh (unsalty). (45)______.

A. Ever since the world began, water has been shaping the earth.
B. When we are running, we feel thirsty and drink a lot of water. In fact, when we eat, the food consists of plenty of water.
C. Water helps keep the earth’s climate from getting too hot or too cold.
D. Sometimes the rains have fallen too heavily and too suddenly. Then rivers have overflowed their banks, drowning large numbers of people and causing enormous destruction of property.
E. Your body is about two-thirds water. A chicken is about three-fourths water, and a pineapple is about four-fifths water. Most scientists believe that life itself began in water—in the salty water of the sea.
F. Nowadays, scientists are considering making use of ocean water. The application of the 4technology to turn salty water into fresh water will come into being very soon.
G. Most of this water is not easily available to people because it is locked in icecaps and other glaciers. By the year 2010, the world demand for fresh water may be double what it was in the 1980’s. But there will still be enough to meet people’s needs.

选项
答案G
解析 本段叙述了人口增多与缺水的矛盾：世界人口每年都在增加，工厂在生产更多产品，需要更多用水。我们生活在水的世界，但大约97％的水是在海洋中，海水太咸不能饮用、浇灌和用于生产。世界上只有3％的水是淡水。从逻辑上分析，空白处应该继续谈论水与人的关系，而只有G的内容如此。
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