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(),(),()被称为“岁寒三友”。

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气球样变是细胞肿胀的一种形态学表现。

A. 正确
B. 错误

对流性不稳定或不稳定的关键在于()。

A. 对流凝结高度
B. 湿度的垂直分布
C. 温度随高度的变化
D:气压随高度的变化

电力产品销售操作分为哪几个环节?()

A. 读表、协商、收费
B. 抄表、核算、收费
C. 计算、刷卡、存款
D. 读卡、通知、交费

User Scott has updated the salary of one of the employees in the EMPLOYEES table and has not committed the transaction. What are the two types of locks that this scenario would lead to?()

A. null lock on the row being updated
B. null lock on the table containing the row
C. ROW SHARE lock for the row being updated
D. ROW EXCLUSIVE lock for the row being updated
E. shared row-exclusive lock for the row being updated
F. a shareable table lock for the table containing the row
G. exclusive table-level lock for the table containing the row

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