题目

阅读理解  阅读下列内容，根据短文内容选择最佳答案。 My name is Panrit. I live in Samutprakarn. It is about thirty kilometers south of Bangkok. the capital of Thailand. My house is near a museum and opposite a school. My house has two floors. two bedrooms and two toilets. We don't have a dining room. so we eat our meals in the living room. There are four people in my family. my mum. my dad. my brother and I. My house doesn’t have a garden but we have some plants in pots(盆景). We also have some small fish. My mum likes the plants very much. She usually waters an“天雨新晴，北风寒彻”造成“是夜必霜”，其原因是　　　　　　　　　　　　 (　　  ) A.雨后的夜晚气温必定很低 B.受冷气团影响，加之晴朗的夜晚，大气逆辐射弱 C.晴朗的夜晚，地面辐射减弱 D.晴朗的夜晚，地面辐射加强