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【单选题】
慢性肾功能衰竭尿毒症期的错误护理措施是A.
高生物效价低蛋白饮食
B.
每天用朵贝氏液漱口
C.
口腔糜烂用龙胆紫涂抹
D.
用肥皂水擦洗皮肤
E.
睡前饮水1～2次
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反馈参考答案：
举一反三
【简答题】收入弹性(income elasticity)
【简答题】期权弹性(option elasticity)
【单选题】If the short run elasticity of supply for a product is 0.8, in the long run elasticity, supply:
A.
Is inelastic.
B.
Is unit elastic.
C.
Is inelastic.
D.
Any of the above could be true of the product’s long run elasticity of supply.
【单选题】The difference between slope and elasticity is that_________.
A.
slope is a ratio of two percentage changes, and elasticity is a ratio of two changes
B.
slope is a ratio of two changes, and elasticity is a ratio of two percentage changes
C.
none of the above; there is no difference between slope and elasticity
D.
slope measures changes in quantity demanded more accurately than elasticity
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