“三个代表”重要思想的本质是( )。A．立党为公、执政为民B．与时俱进C．解放思想

下列实验现象描述正确的是（　　）

A．氢气在空气中燃烧会产生有刺激性气味的气体

B．肥皂水滴入硬水中，不会产生较多泡沫

C．镁条燃烧后生成氧化镁固体

D．蜡烛燃烧吹灭时会有白雾出现

(a) In January 2000, Amarjit borrowed RM100,000 from his uncle, Biman, for the purpose of financing his postgraduate studies in London. Amarjit promised to repay the loan in January 2003. Amarjit returned from London in 2002. However, until today 7 December 2010 he has not repaid the loan although he has received numerous reminders from Biman.Last month, Biman confronted Amarjit at a family gathering and threatened to take legal action to recover the loan. Amarjit then orally promised to settle the loan within one week. However, Amarjit did not keep his promise.Biman now wishes to sue Amarjit for breach of contract and recover the outstanding debt.Required:Advise Biman on his chances of success. (5 marks)

急性肾衰竭少尿期的蛋白质补给量应为（）

A.每日每公斤体重补蛋白质量0.5g

B.每日每公斤体重补蛋白质量0.6g

C.每日每公斤体重补蛋白质量0.7g

D.每日每公斤体重补蛋白质量0.8g

E.每日每公斤体重补蛋白质量1.0g

电阻通过电流后所产生的热量与电流的平方，电阻及通电的时间成正比，这就是（）。

A、基尔霍夫定律；

B、楞次定律；

C、焦耳一一楞次定律。

对市场资产组合，下列哪一项是不正确的( )。

A．它包括所有证券

B．它在有效边界上

C．市场资产组合中所有证券所占比重与它们的市值成正比

D．它是资本市场和无差异曲线的切点