短文改错 First, the population is increased, and more gas and other fuels1． are used

短文改错

First, the population is increased, and more gas and other fuels1．________are used. Second, the United States is not completely developing all2．________it energy sources. For example, the use of coal has been limited3．________because of coal burning causes pollution. The third reason for the4．________energy problem is America's dependence in oil from other countries. If5．________these countries refuse to sell its oil, all Americans will feel the effects.6．________But probably the most important reason for the energy problem is which7．________the USA has no acceptable alternative sources of energy. Solar8．________power and nuclear power are possibilities, but solar power isn't complete9．________developed yet, because many people feel that nuclear power is dangerous.10．________

试题答案

答案：

解析：

1．increased→increasing 2．are∧→being 3．it→its 4．去掉of 5．in→on 6．its→their 7．which→that 8．√ 9．complete→completely 10．because→and