题目内容
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He is fed up with the skyscrapers, noise, pollution and traffic jams that are part of rural life. ( )
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更多“He is fed up with the skyscrap…”相关的问题
A、manage
B、go
C、control
D、run
A、Rhinitis
B、Sinusitis
C、Nasosinusitis
D、Pharyngitis
A、Senate
B、House of Representatives
C、House of Lords
D、House of Commons
People and air pollution are often in the same places. This means that cities with large populations have the biggest problem of dirty air. Air pollution is caused by many different things. A major kind of air pollution is the gas from cars. Statistics(统计资料) show that 93 percent of all auto trips are within cities.
Another major kind of dirty air is the burning of coal and oil for energy. This energy is needed to make electricity. Of course, much more electricity is used in the city than in the county.
On the average, we throw away more rubbish than the year before. The burning of rubbish makes air pollution even worse. Many major industries are also responsible for the dirty air in the around cities. The fumes(烟)from iron, steel, chemical, and petrol production add particles(微粒)to the air.
The effects of air pollution range from mild headaches to death. The levels of pollution found in heavy traffic may cause headaches for loss of clear vision. Wherever coal and oil are used for fuel, fumes may kill trees and plants and cause metal to corrode(腐蚀). In some of the larger cities, these fumes endanger the lives of human beings by contributing to lung diseases and causing early death.
26. The key point of the passage is that().
A. the cause of air pollution is people
B. the causes and the effects of air pollution are both found in cities
C. the effects of air pollution range from headaches to death
27. What is the purpose of this passage？
A. to persuade people to stop polluting the air().
B. to tell the causes of air pollution
C. to tell why cities are bad places to live
28. Why is air pollution more grave in the city than in the country？().
A. Because there are larger populations in cities.
B. Because the air in the city is dirty.
C. Because there are much more gas fumes from cars and burning of coal and oil for energy in the city than in the country.
29. The fumes from coal and oil may cause metal().
A. to corrode
B. to twist
C. to turn black
30. In larger cities, the fumes from coal and oil may contribute to().
A. heart disease
B. loss of clear vision
C. lung diseases
The evolution of life requires the organization of a very large number of molecules into biological cells. Does the formation of living organisms violate the Second Law of thermodynamics?
A、Yes, of course. It is the only exception.
B、Yes. But I am not sure why.
C、Yes. The living organism creates the required energy.
D、None the above
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