(2012·山东)My first ________ of him was that he was a kind and thoughtful young man.

Americans believe in the ideal, as ______ in their Declaration of Independence, that all men are created equal.

 The lack of eco-friendly habits among the public is thought to be a major ____ of global climate change.

It is our responsibility to ________ that the country's health care publications are beneficial to the people.

The two parties held the talk in a friendly ________ and reached an agreement.