Which are the pros of an independent travel
A. More encounters and contact with the locals
B. No need to worry about your baggage and transportation
C. Easy to see a lot of great sights and locations in a short period of time
D. Saving more money
E. More unique local flavor
F. No need to worry about language issues
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Which are the cons of an independent travel
A. No flexibility to make side trips
B. Time-consuming preparation
C. No freedom to choose where you stay
D. Possible language barriers
E. No freedom to get out and explore on your own
F. Unexpected problems and difficulties
(P210) SectionA Pre-reading activities选择合适的选项填空。[音频]A joy and happinessB reactionsC liked mostD happyE obey
MySQL中存储用户全局权限的表是( )。
A. columns_priv
B. tables_priv
C. procs_priv
D. user
在MySQL中,可以使用( )语句来实现权限的撤销。
A. DROP
B. DELETE
C. REVOKE
D. GRANT