第四节：听短文，根据短文内容，口头回答问题。短文听两遍。（每小题2分，共4分）
What do you think the future will be like? Here are some answers from some students.
Mary says, “Our children and grandchildren will be born into a world with much pollution. There will be more buildings and fewer trees, because there will be more people.”
Jack agrees with Mary. He says, “Things will be worse. The weather in the future will be much hotter. Humans won’t be able to live on the earth. They will have to look for another planet to live on.”
But Linda has a different idea. She thinks life in the future will be better. There will be less pollution and people will live to be 150 years old.