什么叫语言接触?语言接触对语言变异的影响主要表现在哪两个大的方面?两个大的方面又包括哪些内容?
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有关癫痢,正确的是
A. 癫间发作的病理生理基础是大脑神经元的异常过度放电
B. 患者只能有一种间性发作形式
C. 癫间发作是大脑神经元异常过度同步放电引起的短暂性大脑功能障碍
D. 癫间和间性发作都是症状
E. 癫痫的特征性脑电图改变可有棘一慢波、尖波等
Which three are true? ()
A MERGE statement is used to merge the data of one table with data from another.
B. A MERGE statement replaces the data of one table with that of another.
C. A MERGE statement can be used to insert new rows into a table.
D. A MERGE statement can be used to update existing rows in a table.