下列关于西北地区农业生产的叙述，正确的是
A：农田主要分布在有河水、高山融雪水或地下水灌溉的地势平坦的地区
B：植被由东向西呈现荒漠—荒漠草原—草原过渡的趋势
C：河西走廊和天山山麓一带广种水稻、小麦、棉花、瓜果
D：西北地区依靠冰雪融水，畜牧业和林业发达
at the same school a difficult match from Room 205
i have a good friend called brett how about you
--- Look! So many colorful bicycles in two lines over there.
--- They're for public. This ______ of green smart traffic is everywhere in Xiangyang city.
