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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】下列关于蜜丸制备叙述错误的是( )
A.
药材经炮制粉碎成细粉后制丸
B.
药材经提取浓缩后制丸
C.
根据药粉性质选择适当的炼蜜程度
D.
根据药粉性质选择适当的合药蜜温
E.
炼蜜与药粉的比例一般是1:1～1:1.5