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【简答题】
货物运输需求的价格弹性往往与货物价值有关，价值小的（），价值大的（）。
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【简答题】模拟法测绘静电场实验中,专用电源的输出电压要求调到 V。
【单选题】Why did MiShel and Carl decide not to have a boy?
A.
Because they might give birth to a blind baby.
B.
Because Carl might pass his family's disease to his son.
C.
Because the boy might become blind when he grows up.
D.
Because they wanted a daughter to balance their family.
【简答题】Our English teacher, Tom Jackson, has some good neighbors. They are Carl, Ann, Joe and Mary. Here’s some information about them. Carl is a train conductor. He works on the railway for 28 years. It is ...
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