未曾与有关抗原()中的抗体,称为天然抗体。众所周知的天然抗体是()与()抗体。这类抗体有规律地存在于人类()中,也称为()抗体。
参考答案:接触过血清;抗A;抗B;血清;规则
Harding Corp. has a permanently impaired asset. The difference between its carrying value and the present value of its expected cash flows should be written down immediately and:()
A. reported as a non-operating loss before computation of net income.
B. reported as a separately disclosed loss net of tax effect, if any, due to a change in accounting method.
C. reported as an operating loss.
建筑物内给水管道与排水管道平行敷设时的净距不小于()。