These are two important questions that many people are asking today. Some people think that man might be able to solve both problems at the same time. They suggest using garbage as an energy source.
For a long time people buried garbage or dumped it on empty land. Now, empty land is scarce. But more and more garbage is produced each year. However, garbage can be a good fuel to use. The things in garbage do not look like coal, petroleum, or natural gas; but they are chemically similar to these fossil fuels. As we use up our fossil--fuel supplies, we might be able to use garbage as an energy source.
Burning garbage is not a new idea. Some cities in Europe and the United States have been burning garbage for years. The heat that is produced by burning garbage is used to boil water. The steam that is produced is used to make electricity or to heat nearby buildings. In Paris, France, some power plants burn almost 2 million metric tons of the city's garbage each year. The amount of energy produced is about the same as would be produced by burning almost a half million barrels of oil.
But there are problems in using garbage as a fuel. Garbage that bums easily, such as food scraps and paper, must be separated from metals, glass, and other materials that do not burn easily. This separation process is normally costly. (79) Another problem is that burning garbage can pollute the air.
Our fossil fuel supplies are limited. Burning garbage might be one kind of energy source that we can use to help meet our energy needs. (80) This method could also reduce the amount of garbage piling up on the earth.
What two problems can be solved by burning garbage?
A.The shortage of energy and air pollution.
B.The shortage of energy and the shortage of empty land for holding garbage.
C.Air pollution and the shortage of empty land for holding garbage.
D.Air pollution and the shortage of fossil fuel.
第1题
A.基金份额持有人大会应当有代表2/3以上基金份额的持有人参加,方可召开
B.持有人大会召开过程中,经全体参会的基金份额持有人申请,可就未经公告的事项进行临时表决
C.召开基金份额持有人大会,召集人应当至少提前30日公告基金份额待有人大会有关事项
D.基金份额持有人大会应当以现场方式召开
第2题
A.基金份额持有人大会应当有代表2/3以上基金份额的持有人参加,方可召开
B.持有人大会召开过程中,经全体参会的基金份额持有人申请,可就未经公告的事项进行临时表决
C.召开基金份额持有人大会,召集人应当至少提前30日公告基金份额持有人大会有关事项
D.基金份额持有人大会应当以现场方式召开
第3题
A.基金份额持有人大会应当有代表2/3以上基金份额的持有人参加,方可召开
B.持有人大会召开过程中,经全体参会的基金份额持有人申请,可就未经公告的事项进行临时表决
C.召开基金份额持有人大会,召集人应当至少提前30日公告基金份额待有人大会有关事项
D.基金份额持有人大会应当以现场方式召开
第4题
A.基金份额持有人大会应当有代表2/3以上基金份额的持有人参加,方可召开
B.持有人大会召开过程中,经全体参会的基金份额持有人申请,可就未经公告的事项进行临时表决
C.召开基金份额持有人大会,召集人应当至少提前30日公告基金份额待有人大会有关事项
D.基金份额持有人大会应当以现场方式召开
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