How do you go to school？Some students may answer， "By car." Maybe some others will look at them through green glasses.
    （1）There is no need to feel bad if you have no cars. It's true that cars are important.Many people find it hard to think about what life will be like if they have no cars.But now more people know that too many cars bring different kinds of problems.（2）街上有太多車。
    People are trying to stop pollution（污染） from cars.（3）One way is to make green cars. But it costs too much to make these cars.And more people think about better ways.We can change our lifestyle.（4）大量美國人現(xiàn)在騎單車去上班。 It is healthy and green.（5）It is also a good way to know the place where you are living. I hope we can live in a green world.
（1）

如果你沒有車，沒有必要感到難過。

如果你沒有車，沒有必要感到難過。

（2）

There are too many cars in the street.

There are too many cars in the street.

（3）

一種方法是制造綠色汽車。

一種方法是制造綠色汽車。

（4）

A large number of Americans now go to work by bike.

A large number of Americans now go to work by bike.

（5）

這也是了解你居住的地方的好方法。

這也是了解你居住的地方的好方法。