题目

南方地区最适宜种植的粮食作物是（ ）A. 谷子 B. 玉米 C. 水稻 D. 小麦 答案：【答案】C【解析】我国国是传统的农业大国，粮食生产历史悠久，具有明显的地域分布特征．南方气候湿热，属水稻集中产区，北方属小麦集中产区，玉米．豆类．薯类的种植则相对分散。故选C。 Some students had to give up their hobbies __________ they were busy with their work. A) although                 B) until                         C) because                  D) unless