男，40岁。食欲减退、乏力、皮肤黄染1个月，否认肝炎病史，10年前曾患上消化道出血，

下列各项中，权益法下会导致长期股权投资账面价值发生增减变动的有（）。

A.确认长期股权投资减值损失

B.投资持有期间被投资单位实现净利润

C.投资持有期间被投资单位提取盈余公积

D.投资持有期间被投资单位宣告发放现金股利

图1.5-23所示电路中，电路原已达稳态，设t=0时开关S打开，则开关S断开后的电容电压u（￡）、电感电流i（t）为（）。

A.

B.

C.

D.

Questions refer to the following graph.
1977～1978 TEXTB()OK INVENTORY FOR SCHOOLS X AND Y BY YEAR OF PURCHASE (as a percent of the 1977～1978 inventory)
Note：All books were purchased new on July 1 of each year.

If School X purchased 300 textbooks in 1971 and all of these textbooks either were counted in the inventory or had been discarded before the inventory, what percent of these textbooks had been discarded

监狱人民警察的本质是（）。

A.人民民主专政的工具

B.人民警察的重要组成部分

C.国家治安行政力量

D.武装性的整体性组织

含氯消毒剂和过氧乙酸可以用化学消毒剂浓度试纸快速测定有效含量。