标签：话题作文 话题 大学英语作文
字数：800字
提要：LifeThere are many forms of life on earth: organisms, animals, plants, and human beings. Life is given to man only once. And there are many natural disasters that will destroy life. Since life is short and preeious, everyone wants to enjoy longevity.The mode of life differes from person to person. A person＇s life may be one of great achievement. He may also lead a quiet life. A career man has a b..