钢丝绳的安全系数是不可缺少的安全储备，选择用于机动起重设备钢丝绳的安全系数是（） A

下列哪一项不是肝硬化代偿期的表现

A．乏力、食欲减退

B．食管和胃底静脉曲张

C．肝脏质地结实或偏硬

D．脾脏中度肿大

E．肝功能轻度异常

有害物质在环境中的过程不包括( )。

A．物理过程

B．化学过程

C．生物呼吸

D．生化过程

Andrew owns shares in ABC Plc, whose accounts were audited by Carla. The accounts of the financial year, which ended on 31 December 2010, showed that ABC Plc had made a profit of EUR1,000,000 when it should have shown a loss of EUR500,000. After seeing those accounts, Andrew bought more shares in ABC plc. Andrew later realised that the new shares he had bought were in fact worth much less than what he had paid for them.Required:Advise Carla whether she owes a duty of care to Andrew. (10 marks)

评价食物蛋白质营养价值时，作为参考蛋白的是（）。

A.母乳蛋白质

B.鸡蛋蛋白质

C.大豆蛋白质

D.大米蛋白质

E.酪蛋白