阅读理解

    What do you think the future will be like? Here some students are talking about it.

    Mary:If we don't take care of the earth now our children and grandchildren will be born into a world with much pollution. There will be fewer trees and more buildings because there will be more people. •     

    Jack ： I agree with Mary. Things will be worse. The weather in the future will be much hotter. Humans won't be able to live on the earth. We will have to look for another planet to live on.

    Linda ： I think the life in the future will be better. Most people in the world will use" green cars" by 2020， so there will be less pollution and people will live to be 200 years old. As for space travel ？ I would say  we will visit Mars(火星)in about 50 years. 

( )1. They are talking about ________•

   A. pollution

   B. weather in the future

    C. life in the future

(       )2. What does Mary think life will be like in the future?

A. There will be fewer trees.

B. Everybody will have a car.

C. People will live longer.

(       )3. Why does Jack think humans will have to look for another place to live on?

A. Because there will be too many buildings.

B. Because the earth will be too hot to live on.

C. Because there will be too many people. 

(       )4. How many things does Linda predict?

A. One.        B. Two.        C. Three.