Lake Victoria is the largest lake in Africa. It is also the second largest lake in the world. It is an important lake because it is one of the sources(源头) for the longest river in the world, the Nile River. Lake Victoria provides a source of water, food, and power(电力) for several African countries. Lake Victoria is a big part of African life.
Unfortunately, Lake Victoria has a problem. It is shrinking. There are several power stations at Lake Victoria in Uganda. These are on the Nile River, and besides producing power, they keep the water of the lake at a certain level. For the past forty years, that level has been 11.9 meters. Over the last several years, the water level has dropped by about 2.5 meters. There seem to be several reasons for this drop.
One possible reason is drought(干旱). Drought has been very bad in the area since 2000. Lake Victoria gets all of its water from rain, so the drought means less water in the lake.
However, some environmentalists believe that the real problem is the power plants(工厂) on Lake Victoria. Uganda depends on those power plants for most of its power, and they made the power plants larger in 2000. Many people believe the power plants have been taking too much water off Lake Victoria. As a result, they have been asked to use less water until Lake Victoria goes back to its old level.
Whether the low water level is caused by drought or power plants, the result is the same. This is already a poor area of Africa, where many people live a really hard life. People, animals and plants around Lake Victoria will suffer even more from low water levels on the lake. Many people need Lake Victoria for fishing or growing food. Fish need the water to live, and animals need it for water. Plants around the lake will die without the water, and then more animals and people will suffer. Unless the lake fills soon, many people will suffer and die.
1.Lake Victoria is __________.
A.an important lake in Africa
B.the largest lake in the world
C.the source of water, food and power for America
D.the only source for the Nile River
2.What does “It is shrinking” most probably mean?
A.It is becoming larger.
B.It is becoming more beautiful.
C.It is becoming smaller.
D.It is becoming more useful.
3.The water level of Lake Victoria is now __________.
A.2.5 meters B.11.9 meters C.14.4 meters D.9.4 meters
4.Which of the following is NOT true according to the passage?
A. Rain water is the only source for the lake.
B. There has been little rain in the lake area since 2000.
C. The power plants in Uganda provide water for the lake.
D The power plants in Uganda were made larger in 2000.
5.According to the passage, how can we solve the problems around Lake Victoria?
A.People must build more power plants.
B.More sources of water must be found.
C.Every country should offer some money to Africa.
D.All the people living in the area should move to another place.
1.A
2.C
3.D
4.C
5.B
【解析】
试题分析:这篇短文主要讲述了非洲的水资源短缺问题,虽然乌干达建造水电站利用尼罗河上的水资源,但并不是造成水资源短缺的唯一问题,故非洲想要解决这一局面,只有寻找更多的水源。
1.根据第一段It is an important lake because it is one of the sources(源头) for the longest river in the world, the Nile River. 描述,可知选A。
2.联系本段下文描述,可知此处指的是这条河流在变小,故选C。
3.根据第二段For the past forty years, that level has been 11.9 meters. Over the last several years, the water level has dropped by about 2.5 meters. 计算可知11.9-2.5=9.4,故选D。
4.根据第三段Uganda depends on those power plants for most of its power,描述,可知水电站需要水,故选项C描述错误。
5.根据短文最后一段描述,可知围绕维多利亚湖的问题,解决的最好办法是寻找更多的水源,故选B。
考点:关于非洲水资源的说明文阅读
点评:本文浅显易懂,各个小题都能在文中找到适当依据。只要认真阅读短文,注意前后联系,就能顺利完成阅读。文章所设试题主要考察细节查找,做题关键是找出原文的根据,认真核查小题和原文的异同。对于有关数字的问题,要认真分析,并进行必要的计算.
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