下列对质量和长度的估算中，最接近实际的是（    ）

Dear friend,
    I am a girl from Beijing. I am a quiet girl. I like reading books. I want to be your friend. Now let me introduce my family to you. I have a good family. My father is tall and thin. He is a math teacher. My mother is a nurse. She likes reading books. My brother is a university student. I love my family very much. Welcome to my home.
                                                                                                                                                                                             Yours,
                                                                                                                                                                                               Li Xin

有一座城市，经常受到大风和风沙的侵扰．为了合理使用新能源，计划建造风能发电站或太阳能发电站．请用物理学知识，指出建造哪种类型的发电站更合适，并请说明理由．