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【单选题】
反刍兽因采食大量的紫苜蓿而导致的泡沫瘤胃膨胀选用药物是()
A.
毛果芸香碱
B.
二甲基硅油
C.
氯化钠
D.
硫酸钠
E.
鞣酸蛋白
参考答案：
参考解析：
刷刷题刷刷变学霸
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.