影响根系生长的因子有:()。A、树体的有机养分 B、温度 C、土壤和水份与通气状态 发布时间:2019-08-29 18:29 │ 来源:www.tikuol.com 题型:多项选择题 问题: 影响根系生长的因子有:()。A、树体的有机养分B、温度C、土壤和水份与通气状态D、土壤的营养条件
题型:多项选择题 One day Chuck is on a flight ______ the Pacific Ocean suddenly ______ his plane crashed.A. through while B. through whenC. across when D. across while 查看答案