:2016届中考英语 完形填空与阅读理解复习练习 Unit 9

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Unit9
PassageA
话题：自然资源 词数：205 参考用时：5分钟
Natural resources are things that we use that come from Earth. Out natural resources are limited（有限的）. This means that they will not 1 forever. Some are renewable, like when you plant a new tree when you 2 one down. Others are not renewable, like when you dig coal（煤）out of the 3 . Once it is used, it is gone.
People realize the 4 that Earth’s natural resources are limited, and can do things to help conserve（节约）those resources. 5 you try to conserve a natural resource, you try to use less of it, so it does not get used up so 6 . One way that people conserve fuel, like gasoline, is by riding a bicycle or walking when the 7 is short instead of driving everywhere.
Water is a very important natural resource because we all need it to stay 8 . We can conserve water 9 making sure that our pipes and taps do not leak（漏）.We can also make 10 choices to conserve water, like only using the dishwasher or washing machine when they ar