材料：大气污染已成为人类健康的“杀手”，特别是PM2．5粒子产生的雾霾天气，已成为威胁人类社会健康的主要灾害之一。雾霾灾害，是大气长期污染造成的结果。***在北京考察时指出：应对雾霾污染、改善空气质量的首要任务是控制PM2．5，要从压减燃煤、严格控车、调整产业、强化管理、联防联控、依法治理等方面采取重大举措，聚焦重点领域，严格指标考核，加强环境执法监管，认真进行责任追究。

运用唯物论的有关知识，说明我国怎样治理雾霾天气，建设美丽中国。

珍惜劳动成果就是尊重____。

字母D是字母表中的第__________个字母。

为了整体打捞“南海一号”，财政部审定9000万元专项资金，财政部拨款3000万元，剩余由地方财政补足。为了建造保存“南海一号”的“水晶宫”，有关部门已投入了1、5亿元。“南海一号”进“宫”后，预计博物馆每年的运营费用需要2000万元。这说明（ ）

先通读下面的短文，掌握其大意，然后在每小题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
    Some young people are worrying about acnes(青春痘) on their faces, and some are worrying about their figures(身材). Do you know 1 on earth（到底，究竟） the secret of beauty is? Think of smile and health, and then you may find the 2 .
    Maybe you are not 3 with your big nose, your small 4 or your weight(体重). Don't waste energy and feelings on the way you look . In fact, when you become an 5 and look at pictures of your past time, you'll find how cute you are.
    6 is the best way to make you beautiful. When people are happy, they look nice. When people smile or laugh from the7 of their hearts(心脏), they look very beautiful.
    Don't worry about your weight too much. Don't 8 food for it. No one lives 9 health. So you need to eat healthy food and do enough exercise.
    When you accept（接受） what you have 10 and enjoy them, you will really become pretty “inside and out”.