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问题 单项选择题

血管源性脑水肿的病理机制（）

A、脑细胞缺氧、缺乏能量供应 

B、外伤引起血管破裂 

C、自由水减少 

D、血脑屏障破坏，血浆从血管内漏出到细胞外间隙 

E、脑皮层的萎缩

答案

参考答案：D

判断题

油气藏中常见的盖层有泥岩、膏岩、致密灰岩、页岩、盐岩等。
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单项选择题

Yamaska Mining issued a 5-year, $50 million face, 6% semiannual bond when market interest rates were at 7%. What is the initial balance sheet liability and what is the cumulative interest expense (in dollars) that the company should report following the first half of the second year of the bond’s life (the third semiannual period) Cumulative interest expense Initial liabilityto end of first half of year 2 （）

A. $47920849 $4500000

B. $47920849 $5051516

C. $50000000 $9000000
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