题目

    Here are the headlines from BBC World News．The United Nations Conference on the Human Environment opened this morning in New York．The 71．      (protect) and improvement of the human environment is a major issue which affects all the people and economic development throughout the world．   72.        American airliner was hijacked (劫持) on a flight from Los Angeles to New York．The hijack 73．         (take) place at eleven this morning．The hijacker，74．       identity is not known，demanded to see the American President．The pla补写出下列句子中的空缺部分。（1）《兰亭集序》中交代了兰亭聚会上的人是“_________，_________”，各路英才，老少皆有。（2）《庄子·逍遥游》中以“朝菌”“蟪蛄”为例来说明“小年”一词的两句是“__________，___________”（3）由两个相同的字重叠构成的“叠词”可使描写更加生动形象，李密《陈情表》中，以“__________，_________”两句形象地写出祖母呼吸微弱、时日无多的情形，流露出作者对祖母的拳拳深情。