若a＞0，则a______3a；若a＜0，则a______3a．

患者女，40岁，因“月经量过多1年余，头晕、乏力、面色苍白1周”来诊。血常规：Hb80g/L，RBC3.10×10¹²/L，PLT128×10⁹/L。诊断：缺铁性贫血。

诊断缺铁的金指标是（）

A.总铁结合力

B.血红蛋白

C.运铁蛋白

D.血清铁

E.骨髓铁染色

如图，MN和PQ是电阻不计的平行金属导轨，其间距为L，导轨弯曲部分光滑，平直部分粗糙，右端接一个阻值为R的定值电阻．平直部分导轨左边区域有宽度为d、方向竖直向上、磁感应强度大小为B的匀强磁场．质量为m、电阻也为R的金属棒从高为h处静止释放，到达磁场右边界处恰好停止．已知金属棒与平直部分导轨间的动摩擦因数为u，金属棒与导轨间接触良好．则金属棒穿过磁场区域的过程中（　　）

A．流过金属棒的最大电流为

B．通过金属棒的电荷量为

C．克服安培力所做的功为mgh

D．金属棒产生的焦耳热为

Gilt Co is a small company with an issued share capital of 100,000 $1 shares held by 100 members.Harry the managing director of Gilt Co has been approached by Itt Co in respect of its making a takeover bid for Gilt Co. Itt Co has given Harry what is described as a facility fee of $50,000 for ensuring that the takeover is successful.At the next board meeting Harry convinces the other directors that the takeover bid is in the long-term interest of Gilt Co, but they are concerned that the holders of the majority of the issued share capital will not approve of the takeover.In order to ensure the success of the takeover, the directors agree that they should allot suffi cient new shares to Itt Co to ensure that a new majority of members will support the takeover.After the allocation of the shares to Itt Co, a general meeting is called to consider the takeover and it is approved, with Itt Co voting in favour.May, a substantial shareholder in Gilt Co has subsequently found out about the actions of Itt Co, Harry and the other directors.Required:Advise May as to the legality of the share allotment and as to what action can be taken against Harry. (10 marks)

甲公司以融资租赁方式租入设备一台（该公司租赁资产占企业资产总额的35%），租赁合同规定租赁期满该设备的所有权归甲公司。租赁开始日，该设备的原账面价值为479.8万元，最低租赁付款额的现值为460万元，另发生运杂费12万元，安装调试费18.5万元，租赁业务人员的差旅费1.87万元。该设备租赁期为9年，同类设备的折旧年限为10年，预计净残值为o。根据现行会计制度规定，若甲公司对该设备采用平均年限法计提折旧，则应计提的年折[日额为（）万元

A．49.05

B．54.50

C．54.70

D．56.70

在WindowsMovieMaker中设置的播放品质越高，文件大小根据用户的设置而定。