迈捷邮件系统中，关于邮件操作，正确的有（）
A. 复制：[选中邮件]->[选中文件夹]->[复制]
B. 移动：[选中邮件]->[选中文件夹]->[移动]
C. 删除：[选中邮件]->[删除]
D. 永久删除：[选中邮件]->[永久删除]
The museum（）we visited last Saturday was set up twenty years ago.
A. where
B. to which
C. which
D. for which
In heavy seas the helmsman should steer the survival craft（）.
A. into the seas
B. broadside to the seas
C. in the same direction as the seas
D. in a series of figure-eight
交换机SWA的端口E1/0/1连接有PC。如果想要使交换机通过802.1X协议对PC进行本地验证，则需要在交换机上配置哪些命令？（）
A. [SWA]dot1x
B. [SWA]dot1x interface ethernet1/0/1
C. [SWA]local-user localuser
D. [SWA-luser-localuser]password simple hello
E. [SWA-luser-localuser]service-type lan-acce
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