天疱疮水疱散在，糜烂渗液较多，伴有胸闷纳呆，腹胀便溏，舌苔黄腻，脉濡滑。其证候诊断（

已知:25 ℃时,K_sp[Mg(OH)₂]=5.61×10^-12,K_sp(MgF₂)=7.42×10^-11。下列说法正确的是(　　)

A．25 ℃时,饱和Mg(OH)₂溶液与饱和MgF₂溶液相比,前者的c(Mg²⁺)大

B．25 ℃时,在Mg(OH)₂的悬浊液加入少量的NH₄Cl固体,c(Mg²⁺)增大

C．25 ℃时,Mg(OH)₂固体在20 mL 0.01 mol·L^-1氨水中的K_sp比在20 mL 0.01 mol·L^-1 NH₄Cl溶液中的K_sp小

D．25 ℃时,在Mg(OH)₂的悬浊液加入NaF溶液后,Mg(OH)₂不可能转化成为MgF₂

如图所示电路中，L是自感系数足够大的线圈，它的电阻可忽略不计，D₁和D₂是两个完全相同的小灯泡。将电键K闭合，待灯泡亮度稳定后，再将电键K断开，则下列说法中正确的是：

A．K闭合瞬间，两灯同时亮，以后D₁熄灭，D₂变亮

B．K闭合瞬间，D₁先亮，D₂后亮，最后两灯亮度一样

C．K断开时，两灯都亮一下再慢慢熄灭

D．K断开时，D₂立即熄灭，D₁闪一下再慢慢熄灭

Kompieno (Pty) Ltd was a private company which carried on business in Francistown as a retailer of books. The company was the wholly-owned subsidiary of Kudu Ltd which carries on business in Gaborone. Kudu Ltd is a book publisher and the main supplier of books to Kompieno (Pty) Ltd.Kompieno (Pty) Ltd suffered a severe fall in profi tability, following which Kudu Ltd had to inject substantial capital in order to ensure the continuing solvency of the company. Despite these injections of capital, Kompieno (Pty) Ltd continued to suffer fi nancial diffi culties. In consequence, the company was placed under insolvent liquidation by the High Court in Francistown. Kudu Ltd has now received demand for payment from a number of Kompieno (Pty) Ltd’s creditors who argue that, as Kompieno (Pty) Ltd was the wholly-owned subsidiary of Kudu Ltd, the latter company is liable to pay the debts of its subsidiary in full.Required:Advise Kudu Ltd on whether or not it can be liable to pay the debts of Kompieno (Pty) Ltd. (10 marks)

一般注射模具装配成型零件的分型面与前模、动模板上表面高度差值是多少？为什么？

关心人、爱护人、帮助人，喜人之所喜、忙人之所忙，设身处地为他人着想，推己及人，与人为善，助人为乐。这体现了良好道德品质基本范畴中（）。

A.敬业好学的要求

B.勤劳节俭的要求

C.谦虚谨慎的要求

D.仁爱互助的要求