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controversy
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单项选择题
A．strong winds and lack of waterB．rapid economic growthC．locked doors and windowsD．overcrowded people
A．strong winds and lack of water
B．rapid economic growth
C．locked doors and windows
D．overcrowded people
单项选择题
A．taking further photosB．taking soil samplesC．planting vegetation in the soilD．taking samples of vegetation
A．taking further photos
B．taking soil samples
C．planting vegetation in the soil
D．taking samples of vegetation
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