选择题：【单选题】复函的结语应写成( )A、特此通知B、特此函达C、特此通告D、专此告知

( ) She got married while she was still _______.(本题4.5分) A、 in her teen B、 in he

In 1265 ____ summoned the Great Council, which has been seen as the earliest par

单选题) The writer probably used just one short sentence in the first paragraph to

试比较矢量数据结构与栅格数据结构的异同。

按照数据的来源可将空间数据分为（ ）、影像数据和文本数据。