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混交类型划分为哪几种？

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有氧耐力训练

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因为梁的弯矩跨中大，因此梁的箍筋配置也是跨中密而两端疏。

A. 正确
B. 错误

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斯洛文尼亚的官方语言是（）

A. 塞尔维亚语
B. 克罗地亚语
C. 匈牙利语
D. 斯洛文尼亚语

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Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（）

A. None of the data definition language (DDL) statements are logged in the trace file.
B. Only DDL commands that resulted in errors are logged in the alert log file.
C. A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file.
D. Only DDL commands that resulted in the creation of new database files are logged.

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