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举一反三
【单选题】In many places water is becoming scarcer. Treating it as a right makes the scarcity worse. Ideally, efficient water use would be encouraged by charging for it, but attempts to do so have mostly proved...
A.
People should only be entitled to certain amount of water free.
B.
People can borrow water from their neighbors when necessary.
C.
People are free to bargain for water in market in their daily lives.
D.
People have the right to trade water to raise water productivity.
【单选题】5.1# 利用静压式液位计测量液面的高度，应保证零液位点与差压计（ ），否则会产生附加的静压误差。
A.
在同一水平高度；
B.
零液位点比差压计高；
C.
零液位点比差压计低；
D.
无所谓。
【单选题】规划文本中土地资源利用状况内容为 ( )。
A.
简述规划目的、任务、依据和规划期限
B.
简述土地资源利用现状、潜力及存在主要问题
C.
阐述规划目标、近期规划任务和土地利用方针
D.
阐述规划期各类用地调控数量、结构变化