题目

    A person who is very polite towards others is said to have good manners．Generally，such a person is respected by people around him He shows care towards others and does his best to make them comfortable．     As the saying goes，“The first impression(印象)is the．best impression．When we meet a person for the first time，his manners will impress us．The manners we learn as children stay with us throughout our lives．Good manners are t．he ones our parents and teachers teach us，and we can make them part of our personality．It’s very important to teach ma质疑质疑是科学发现的开端，而理论假设理论假设和科学实验科学实验是科学研究的主要途径．