【单选题】
The things brought down by rivers from the mountains that are useful for cultivation are ______.
A.deltas
B.crops
C.fresh water life
D.soil and minerals
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根据网考网移动考试中心的统计,该试题:
9%的考友选择了A选项
11%的考友选择了B选项
3%的考友选择了C选项
77%的考友选择了D选项