47. Why is the soil in the cotton fields also slowly being ruined?
(A) With too much water added to the cotton field, a layer of salt has formed on the surface of the soil.
(B) Too much snow falls on the desert every year, thereby destroying the soil.
(C) The farm chemicals do extensive damage to the desert where cotton crops are cultivated.
(D) The polluted air hangs over the cotton fields, thereby ruining the soil.

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統計： A(96), B(6), C(20), D(1), E(0) #3124158

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#6430235
"Adding too much wat...
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#5875251
Why is the soil in the cotton fields also slowly being ruined?
(A) With too much water added to the cotton field, a layer of salt has formed on the surface of the soil.
(B) Too much snow falls on the desert every year, thereby destroying the soil.
(C) The farm chemicals do extensive damage to the desert where cotton crops are cultivated.
(D) The polluted air hangs over the cotton fields, thereby ruining the soil.

The soil in the cotton fields is also slowly being ruined. Adding too much water to the desert brings a layer of salt to the surface. 棉田裡的土壤也在慢慢被破壞。 向沙漠添加過多的水會導致地表形成一層鹽。 
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