搜题请搜索小程序“爱下问搜题”
问题 填空题

光是一种电磁波，在真空中的速度是______m/s．

答案

因为电磁波在真空中的传播速度等于光在真空中的传播速度，

即电磁波在真空中的传播速度为3×108m/s．

故答案为：3×108．

问答题

X & Co acts as the statutory auditors of Easy Ltd, a company that provides bridging finance in the building sector. The directors of Easy Ltd appointed Frank as the company’s financial manager. It subsequently came to light that Frank had previously served a prison sentence for theft and embezzlement. During the past financial year Frank forged the signature of one of the company’s directors on several of the company’s cheques and managed to steal a substantial amount of the company’s money. Although X & Co conducted its usual audit of Easy Ltd’s financial records, it failed to discover the theft and forgery. The directors of Easy Ltd maintain that X & Co did not conduct the audit with reasonable care.Required:Advise Easy Ltd on the feasibility of a claim against the company’s auditors. (10 marks)
查看答案
单项选择题 A1/A2型题

与非特异性免疫机制无关的因素是（）

A.屏障结构

B.吞噬作用

C.自然杀伤细胞的杀伤作用

D.体液因素

E.免疫球蛋白
查看答案