单项选择题

A.fertilizedB.droppedC.digestedD.starvedThe fields were……

The fields were（）every year by the run-off water from the mountains.

A.fertilized
B.dropped
C.digested
D.starved

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单项选择题The picture（）the seriousness of pollution on our planet.

A.derails
B.depresses
C.depicts
D.derives

单项选择题The heat in the（）air rising from the kitchen and bathroom is recovered by the pumps.

A.dank
B.moist
C.drought
D.digestive