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This valve regulates the flow of water.
A:fight
B:abolish
C:remove
D:control
B:abolish
C:remove
D:control
参考答案
参考解析
解析：本句意思：这个阀门调节水流。regulate调节，控制（速度、压力、温度等）。fight战斗，斗争；abolish废除，废止；remove开除，去除；control管理，控制。
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