【简答题】

    Nowadays, with the living standards improving fast, masses
of people own cars,          really benefits them a lot. But cars      1. __________
will give _______ more and more poisonous gases that cause             2. __________
air pollution and it        great harm to the environment.             3. __________
Therefore, human beings are f        with an important task            4. __________
to take          (措施) to save the earth. The government should       5. __________
pass laws and limit the          of cars. Or we are encouraged to      6. __________
use environmentally friendly cars to r        the air pollution.       7. __________
all, we have only one earth. If we keep ignoring                       8. __________
the value of the environmental protection, we shall be p               9. __________
sooner or later. So, we should make proper        of cars for the      10. __________
good of both the earth and human beings.