Listen to a short passage concerning American’s Work Ethic and fill in the missing information.[音频]For four hundred years or more, one thing has been a characteristic of Americans. It is called their “work ethic”. Its 1 were in the teaching of the Christian Puritans who first settled in what is now the northeastern state of Massachusetts. They believed that is was their 2 duty to work as every task to please God by their diligence, honesty, 3_____, skill, and attitude.