Unit3 Translation

1.As scientists predict，global pollution has become one of the most serious problems the  humanrace has ever faced

2.The competition for the jobs is fierce because the the number of the applicants this year is five times as many as that last year

3.As is shown by the fact,the education program should fit into the national economic development plan

4.This car burns too much gas,moreover,the price is nearly twice as much as that I want to pay

5.To have a command of a vital international event,we should think of its historical and political backgrounds first