下列几种估测中，比较符合实际情况的是（　　）

陕北民歌《山丹丹开花红艳艳》中唱道：“一道道的那个山来呦一道道水，咱们中央红军到陕北……”歌词描述的场景发生于（    ）

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Tom with his family 1 near the sea. Their house is not very high, but it is beautiful. There 2 big trees and a small garden in front 3 their house. They plant flowers in the garden. Some of the flowers are red, some are white 4 some are blue. Tom and his family love 5 garden very much.

      6 Tom and his sister go to school 7 bus. The bus is comfortable. There are air conditioners in the bus. And it is a double-decker bus. After school, they sometimes help their mum 8 some shopping at the shopping centre, and sometimes help their dad in the garden. At weekends, they often take some photos by the sea. 9 summer, they often go swimming 10 their parents.

一个房地产开发商想要建一座各面墙壁都朝北的房子，请你告诉他，此房子要建在（  ）