在Internet中，对网络的攻击可分为两种类型：服务攻击和( )。
参考答案：非服务攻击
B：I am afraid I can't. I have to attend a meeting. ______
A．Could we make it some other time
B．Could we make it next Monday
C．May I expect you at my office
D．Please come when it is to your convenience.
公司应切实做到犹豫期内对个人新契约业务投保客户进行（）回访。
A、80%
B、100％
C、90%
D、85%
