卫生服务需求量变动对价格变动的反应程度被称为 A．卫生需求的

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问题单项选择题

卫生服务需求量变动对价格变动的反应程度被称为

A．卫生需求的收入弹性

B．卫生需求的单位弹性

C．卫生需求的交叉弹性

D．卫生需求的完全弹性

E．卫生需求的价格弹性

答案

参考答案：E

填空题

根据句意及汉语提示，写出各单词的正确形式，每空填一词。

1. It is dangerous to drive a car on ________ (雪) days.

2. The computer is ________ (广泛) used in our daily life. We can do many things with it.

3. They voted ________ (反对) the plan of turning the farmland into an airport.

4. Last week, ________ (千) of people took part in the donation activity to help the children in poor areas.

5. My mother always ________ (比较) me with my classmates, but I didn't like that.

判断题

道砟卸车过程中应避免偏载，防止车辆脱线