题目内容
（请给出正确答案）
[单选题]
选择适当的选项填空： Creo que _____ perdido.（我觉得我迷路了。）
A.estás
B.está
C.estoy
D.están
提问人：网友stonewall
发布时间：2022-01-07
如搜索结果不匹配，请 
A、llueve, iba
B、llovería, iré
C、lloviera, iría
D、lloviera, iba
题目内容
（请给出正确答案）
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更多“选择适当的选项填空： Creo que _____ perd…”相关的问题
第3题
假定在现有要素价格下，棉布生产中每用1英亩的土地就需投入20小时的劳动，而在生产粮食时，每用1英亩的土地只需投入5小时的劳动。
点击查看答案
a.假设该经济拥有的总资源量为：600小时的劳动和60英亩的土地。请画图说明资源应如何分配。
b.现在假设劳动供给分别上升到800小时、1000小时、1200小时。请用一幅如(本书中)图4-6的图展示出资源分配变化的轨迹。
c.如果劳动供给继续增加将出现什么样的情形?
Suppose that at current factor prices cloth is produced using 20 hours of labor for each acre of land， and food is produced using only5 hours of labor per acre of land.
a. Suppose that the economy' s total resources are 600 hours of labor and 60 acres of land. Using a diagram determine the allocation of resources.
b. Now suppose that the labor supply increases first to 800， then 1000， then 1200 hours. Using a diagram like Figure 4-6， trace out the changing allocation of resources.
c. What would happen if the labor supply were to increase even further?
第4题
Which of the following changes would not shift the supply curve for a good or service?
A、a change in the price of the good or service
B、a change in production technology
C、a change in expectations about the future price of the good or service
D、a change in input prices
