基孔制的孔是配合的基准件，称为基准孔，其代号为（）。 ["A","f","m","H"]
Which three are features of the integrated services routers?（） [" Fixed Configuration"," Voice Mail"," Anti-X"," IPS"," Wireless LAN"," VPN Acceleratio"]
证券信用评级的功能包括（） ["有利于规范交易与管理","提供投资决策依据","降低筹资成本","降低投资风险"]
序列密码的安全核心问题是（）。
The pop-up blocker is enabled on your computer. A Web site that you visit regularly uses pop-ups. You need to view the pop-ups from this Web site while maintaining the highest level of security for all other Web sites. What are two possible ways to achieve this goal?（） ["A","B","C","D","E"]
试述影响汇率的主要因素。
