Clearly, the US federal government seeks to act in the best interests of its citizens through the system of “Checks and Balances” , and each branch is independent of the others. ________
A.
正确
B.
错误
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【简答题】查看当前会话(session)的SQL mode,不正确的语句是:A. select @@session.sql_mode; B. select @@sql_mode; C. select sql_mode; D. select @@global.sql_mode;