唐朝是中国古代繁荣与开放的朝代，它政策开明，经济繁荣，文化发达，声名远播，是中国历史上令人振奋的一段时期。请结合所学知识完成下列探究题。

材料一：舟所以比人君，水所以比黎庶。水能载舟，亦能覆舟。

——唐太宗

材料二：贞观十五年(641年)正月，……松赞干布亲自到柏海迎接公主。回到吐蕃后，他对亲近的人说：“我祖、父未有通婚上国者，今我得尚大唐公主，为幸实多。”

2017年3月23晚，当中国足球迷看到中国队以1：0战胜韩国队时，欢呼雀跃、无比兴奋、此时心跳加速、血压升高而显得面红耳赤，这是（    ）调节的结果

     Plants are very important. This is because plants can make food from air, water and sunlight. Animals and people can not make food from air, water and sunlight. Animals can get their food by eating plants and animals. People get their food by eating plants and animals, too. So animals and people need plants in order to live. This is why there are so many plants around us. There are two kinds of plants: flowering plants and non-flowering plants. You can know some trees from their flowers and fruits. Non-flowering plants do not grow flowers. You can not see many non-flowering plants around you. If you look carefully at the plants around us, you will find that there are many kinds of plants. Some plants are large and some are small. Most of them are green. Thanks to the plants around us we can live on the earth.