题目

--- Where                   you                 ?      --- I'm from Beijing.       A. are; from                            B. do; from                             C. are; come 答案：A将大米播到环境适宜的土壤里，不能正常萌发是因为（　　）A. 地里的水分不足 B. 种子的种皮破了C. 地里的温度太低 D. 种子的胚结构不完整