You configure Microsoft Internet Explorer 7 with a Really Simple Syndication （RSS） subscription to MSN Entertainment on your computer. Your RSS subscription Web page fails to show the information that the RSS feed Web page displays from MSN Entertainment. You need to ensure that Internet Explorer displays the current content from the RSS feed. What should you do？（）
A. Enable the feed reading view in the RSS feed settings.
B. Configure the RSS feed properties to use the minimum interval value.
Configure the RSS feed properties to keep only the most recent 50 items.
D. Configure the RSS feed properties to automatically download attached files.
查看答案
All of the following constitute special circumstances EXCEPT（）.
A. Three vessels meeting so as to cross each other's course
B. A vessel meeting a vessel that is backing out of a slip
C. An overtaking situation that has reached in extremis
D. A vessel fishing with nets meeting a sailing vessel
很多时候作曲家不追求表现内容而是追求音响的好听。
A. 正确
B. 错误
康达智能电源屏的“系统供电DC24V”输出端子，主要是供给（）使用。
微信支付 
支付宝支付