网络钓鱼常用的手段是()。
A.利用假冒网上银行、网上证券网站
B.利用虚假的电子商务网站
C.利用垃圾邮件
D.利用社会工程学
参考答案:A, B, C, D
The steel works in which David has worked for five years us with raw material in large quantities in the past two years. [ ]
A.has been supplying
B.was supplying
C.have been supplying
D.were supplying
当估值或份额净值计价错误达到( ),基金管理公司应当公告并报监管机构备案。
A.0.05%
B.0.15%
C.0.25%
D.0.50%