谈判是指面临共同问题的双方或多方在谋求合作的基础上，通过讨论协商，为实现利益均沾的目

已知函数f（x）=|2^x-1-1|，a＜b＜c，且f（a）＞f（c）＞f（b），则必有（）。

A．a＜b，b＜1，c＜1

B．a＜1，b≥1，c＞1

C．2^-a＜2^c

D．2^a+2^c＜4

图表示地球表面沿某经线山地雪线高度随纬度变化。读图回答下列各题。

小题1:A点所在地区陆地水平自然带最有可能是

A．热带雨林带

B．热带荒漠带

C．温带落叶阔叶林带

D．亚寒带针叶林带小题2:图中A地与B地相比

A．纬度低

B．降水多

C．海拔低

D．光照强

Caz is a director of Dull plc, but she also carries out her own business as a wholesale supplier of specialist metals under the name of Era Ltd.Last year Dull plc entered into a contract to buy a large consignment of metal from Era Ltd. Caz attended the board meeting that approved the contract and voted in favour of it, without revealing any link with Era Ltd.Required:Analyse the situation explaining any potential liability that Caz may have in relation to the sale of the metal to Dull plc by Era Ltd.(10 marks)

局外人的"局"是指饭局吗？

175型便携式气流仪校正或称量时，出现表头指针指示不稳，可能的原因有（）。

A、测量部分气路断开

B、测量部分气路堵塞

C、气路开关关闭不严

D、阻尼器不灵