如果一个巨无霸在美国的售价为2美元,在加拿大的售价为2.5加元,而加元的官方汇率为1.3/$1,这说明加元的价值()。
A. 被高估了
B. 与官方汇率相符
C. 被低估了
D. 等于购买力平价
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non-root user can run rsh commands from serverA to serverB, but attempts to run rsh commands by the root user return with a permission error message. What action will resolve the problem? ()
Add root user to the /etc/hosts.equiv on serverb
B. Create $HOME/.rhosts file for the root user on serverb
C. Restart the rshd daemon with root enabled option on serverb
D. Add entry to allow root user from serverA to the /etc/hosts.allow on server
应付债券借方反映的内容包括()。
A. 债券溢价
B. 债券折价
C. 债券溢价的摊销
D. 确认的应计利息