题目

It is love that makes the world go round. And it is also love that has such power to overcome all difficulties. So we say: “Love will find a way.” As smile is a facial expression showing pleasure, affection, and friendliness, it is the commonest way to show our good will perfectly without saying anything. A Chinese saying runs: “never hit a person who is smiling at you.” It is a time-proven fact that the smile is a language all its own— a universal language—understood by the people of every nation in the world. We may not speak the same tongue as our foreign neighbors, but we smile下面的式子，是方程的是A.3x+14B.x+=3C.42一x＜15