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【简答题】
《乡愁》四个小节实际上就是四幅图画，请你用简洁的语言为这四幅图命名。 第一节：___________；第二节：____________；第三节：___________；第四节：____________。
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参考解析：
刷刷题刷刷变学霸
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【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ wakefulness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】使用SQL语言修改数据库，正确的命令是（）。
A.
CREATE DATABASE
B.
MODIFY DATABASE
C.
ALTER DATABASE
D.
CHANGE DATABASE