东南亚有着悠久的水稻种植历史，其原因是什么？
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水稻是单位面积产量较高的粮食作物，需要投入较多的劳动力，需要高温多雨的气候条件．东南亚人口稠密，耕地较少，气候高温多雨，适合水稻生长，因此东南亚成为世界著名的水稻产区。
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| The Browns 1 a building with two stories (层). 2 the first floor, there 3 a garage (车库), a living room, a dining room and a kitchen. Mr. Brown has a new car. He often 4 it to work. Mrs. Brown is a nurse. She often goes to work 5 , because the 6 is near to her house. On the second floor, 7 two bedrooms, a study, a living room and a bathroom. The big bedroom is 8 Mr. and Mrs. Brown. The small one is for their son, Jim. In the study, there is a computer. Jim usually plays games and downloads (下载) music 9 the Internet. The Browns have a very nice garden behind their house. It has some tall trees and many flowers. Mr. and Mrs. Brown work hard in their garden in 10 spare times. Now Mrs. Brown is getting some flowers in the garden. She will put the flowers in the dining room and the living room. | ||||
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