英语六级

单选题

A．It can cause flooding
B．It can carry diseases that affect animals.
C．It can introduce too much salt into the soil.
D．It can divert water from important crops.

参考答案：C进入在线模考
According to the speaker, what is the main problem with irrigation?
细节题。根据Bringing in too much salty water and then not providing adequate drainage for it will fill the soil with salt, and turn the area into a desert
可知灌溉含盐的水．且没有引流．也会导致土地沙漠化。因此，正确答案是C。

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