第一部分阅读理解（共两节，满分30分）
第一节(共10题：每小题2分，满分20分)
阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。
A
Some people are pessimistic(悲观的)when they think about the future. They say that, a hundred years from now, we will have used up most of the earth’s resources(资源). We will have made our seas so dirty that we will not be able to eat fish from them. There will be so many people in the world that we will have to use all the countryside for housing; there will be no farmland left.
