题目内容

在第二学段情感态度目标中要求学生初步养成（）、勇于质疑、言必有据等良好品质。

A. 克服困难
B. 解决问题
C. 相信自己
D. 乐于思考

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Your database is in ARCHIVELOG mode. You lost an index tablespace due to a disk failure while the database was open. You have neither a backup of the lost index tablespace nor the scripts containing the CREATE INDEX statements to recreate the indexes. Currently， several users are executing long-running queries on the database. What will happen to the ongoing activity in the database？（）

A. The queries that are currently executing will abort and an error message will be returned to the user.
B. The queries that are currently executing will execute normally but future queries will not executed.
C. Data Manipulation Language （DML） statements cannot be performed on the tables on which the indexes are based.
D. The currently executing and future queries will execute normally， but will be slower

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