It is so cold that you can't go outside ____fully covered in thick clothes.

如图所示，有一束光斜射入盛水的容器中，在容器底形成一个光斑，保持入射光路不变，慢慢放出容器中的水，则容器底的光斑将（　　）

    This morning Jenny, Linda, Mary, Alice and Sally found five bags. Jenny found a brown bag in Classroom 208. In the bag is ____. Linda found a purple bag in Classroom 306.In the bag is ____. Mary found a green bag in Classroom 409.In the bag is ____.Alice found a red bag ____.In the bag is a yellow pencil. Sally found a blue bag ____.In the age is a watch.

董仲舒认为“国家将有失道之败，而天乃先出灾害以谴告之，不知自省，又出怪异以警惧之，尚不知变，而伤败乃至”。对此理解正确的是
①反映了“天人感应”的思想②意图是规劝皇帝要行仁政③带有浓厚迷信思想④为维护君主的统治服务