（）是指人们对所观察到的自然界中的任何一种现象感到新奇或试图进行解释问题。
A.经验问题
B.概念问题
C.反常问题
D.常规问题
参考答案：A
Which of the following is the least appropriate analyst adjustment for off-balance-sheet financing（）
A. Add the present value of capital leases to liabilities.
B. Treat the sale of receivables with recourse as borrowing and reduce cash flow from operations by the sale amount.
C. Increase liabilities for a commitment to buy $ 500 million in inventory over the next five years.
油藏层系调整的主要做法有哪些？
