精选优质文档-倾情为你奉上Unit1 Americans believe no one stands still. If you are not moving ahead, you are falling behind.This attituderesultsina nation of people committed to researching, experimenting and exploring.Time is one of the two elements that Americans save carefully, the other being labor.We are slaves tonothingbutthe clock,” it has been said.Time is treated as if it were something almost real.Webudgetit, save it, waste it, steal it, kill it, cut it,accountfor
