单选题In the geography class, the teacher explained wind and water might cause soil（）ApollutionBexcellenceCexplosionDerosion
单选题
In the geography class, the teacher explained wind and water might cause soil（）
A
pollution
B
excellence
C
explosion
D
erosion
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This text is most probably taken from_A. a research paperB. a newspaper reportC. a class presentationD. a geography textbook.
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