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【简答题】
假定政府对石油公司征收的税等于该公司石油储量的价值的一个比例(政府保证对企业征收的税是一次性的)。根据新古典模型，这种税对这些企业的固定投资有什么影响?如果这些企业面临筹资制约又有什么影响? Suppose that the government levies a tax on oil companies equal to a proportion of the value of the company’s oil reserves. (The government assures the firms that the tax is for one time only.) According to the neoclassical model, what effect will the tax have on business fixed investment by these firms? What if these finns face financing constraints?
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皮皮学刷刷变学霸
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【多选题】关于腹股沟管的描述,哪几项是正确的?
A.
有前、后、上、下四个壁及内、外两个口
B.
腹外斜肌腱膜参与构成前壁
C.
后壁为腹横筋膜
D.
上壁为腹内斜肌与腹横肌形成的弓状下缘
E.
下壁为腹股沟韧带
【单选题】No sooner had we reached the hospital _____ Mary gave birth.
A.
when
B.
than
C.
then
D.
until
【简答题】关闭所有打开的数据库与表的命令_____
【单选题】Mary had no sooner finished her report ____________ the bell rang.
A.
when
B.
and
C.
than
D.
as