题型：任务型阅读 题类：常考题 难易度：普通
人教版（新课程标准）高中英语必修四Unit 2 Working the land单元训练卷二
Every new person added to the planet needs food, water, clothes, and so on. . Those things require extra natural resources, including land and water. But Earth's riches are limited. Less than 1 percent of Earths water can be used for drinking and washing. One out of every thirteen people around the world does not always have enough clean water.. Too many people are using too much water, especially in the already dry areas of the southwestern United States.
Food shortages(不足) are even more common. Worldwide, one out of every seven people does not get enough to eat.. Over time, the soil loses its nutrients(营养) and the farmland becomes useless for growing food. As the world becomes more crowded(拥挤的), more land is needed to make way for growing cities. . That's a problem because trees help take in a gas called carbon dioxide. Humans produce carbon dioxide by burning coal and oil. Fewer trees mean more carbon dioxide in the atmosphere. The buildup of carbon dioxide traps heat and pollution above Earth.
, although every person uses the planet's resources. The richest billion people, Americans especially, use the most resources. They also produce the most waste.
A. Forests are cleared away
B. Some people use a lot more than others
C. Water shortages have hit many parts of the world
D. Water pollution is a serious problem in some areas
E. More trees should be planted to handle air pollution
F. Huge needs for food force farmers to overuse their land
G. More people mean more cars, roads, schools, hospitals, and stores
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