Pick an answer to check it
wrongNot this one · the answer is BExplanation
The passage says to make the experience public and pass it on to surrounding areas, so B is correct. A refers to drip irrigation coverage, not completely manual watering; C, heavy industry, is not mentioned; D, planting trees and farming improve rather than worsen dryness.
原文 · transcript
主管这项工程的部门把经验公开,转交给周边地区参考