党的十八大《 * * 》总纲中指出，发展中国特色社会主义民主政治的根本要求是什么？

I’m not a little tired today after giving the room a thorough cleaning and I have never had ____ today.

A．as tiring a day as

B．as a tiring day

C．tiring as a day as

D．day as a tiring as

（）准则是最常用也是最简单的判别粗大误差的准则。

已知x，y∈R，且x>y>o，则（）

A.A

B.B

C.C

D.D

Explain the meaning and role of the following international organisations paying particular attention to their dispute resolving functions:

(a) ICC; (5 marks)

可维护性的软件应具备什么性质？