Environment-friendly Olympics requires Beijing to improve its environment,       turning it into an ecology-friendly city.

 —I’m driving to Beijing after breakfast. —Take care,   with all this fog.

The incomes of skilled workers went up.________，unskilled workers saw their earnings fall.

Process so far has been very good．______，we are sure that the project will be completed on time．

However weak we are，we can still do something against the powerful nature so long as we are     prepared．