近年来，“霾”引发了民众对空气质量的关注，席卷了中国中东部的雾霾天气容易诱发呼吸系统疾病，给社会生产和人们生活带来不良影响。这（    ）

①反映了人与自然，人与环境产生了深深的矛盾           ②说明人们对自然环境的污染会导致自身生存受到威胁

③启示我们要善待自然，建设生态环境良好的世界       ④告诫我们要珍爱生命，只对自己的身心健康负责

2014年中央一号文件指出，把饭碗牢牢端在自己手上，是治国理政必须长期坚持的基本方针，要抓紧构建新形势下的国家粮食安全战略。这就要求（   ）。

根据短文意思和所给首字母，写出一个完整正确的单词。

    What exciting news! Shanghai Disneyland will open on June 16,2016. It will be the sixth Disney amusement park around the world because six is a l____ number to Chinese people. As China's first Disney theme park, it will provide t____ with so much fun. It includes six theme parks, where the young and the old will find their dreams really come true. It begins s____ tickets at 12:01 a.m on March 28. You can also book them e____ online. As Walt Disney said Disneyland is c____ as “the Happiest Place on Earth” and “a place for the young and young at heart”, so it will never be completed. It will continue to grow as fast as there is imagination left in the world.