题目内容

He went for supper, ________his books lying open on the table.

A. leaving
B. left
C. leave
D. leaves

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I found them ________ on a long bench.

A. seated
B. seating
C. to seat
D. sat

I will be looking forward________ from you.

A. to hear
B. to hearing
C. of hearing
D. hear

查询数据库的标准步骤是:______,定义连接的URL,______,建立Statement对象,执行查询,处理结果,关闭连接。

JDBC提供了一组标准的_____,用于______和_______通信,指定要连接的数据库的具体类型,从而使得应用程序和数据库连接独立于不同的数据库提供商。

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