2.Match the following words and expressions in the left column with those similar in meaning in the right column.(将左列的词汇与右列相应的汉语匹配。)
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Client/server database system is no longer in use now.
A. 对
B. 错
Flat-file style of database is suitable for large amounts of data.
A. 对
B. 错
SQL Server can allow many users to visit the database at the same time.
A. 对
B. 错
Maintenance of programs is not as important as the development.
A. 对
B. 错