1阅读下表：《问候语的变迁》 <table style="MARGIN-LEFT: 0.75pt; BORDER-COLLAPSE: collapse; mso-table-layout-alt: fixed; mso-padding-alt: 0cm 0cm 0cm 0cm" cellspacing="0" cellpadding="0" border="0" _dj="MsoNormalTable"><tbody><tr style="HEIGHT: 20.4pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes"><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: windowtext 1.5pt solid; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 71.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt" valign="top" width="96">上世纪70年代</td><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: windowtext 1.5pt solid; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 71.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-left-alt: solid windowtext 1.0pt" valign="top" width="95">上世纪80年代</td><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: windowtext 1.5pt solid; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 73.45pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-left-alt: solid windowtext 1.0pt" valign="top" width="98">上世纪90年代</td><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: windowtext 1.5pt solid; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 72.95pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-left-alt: solid windowtext 1.0pt" valign="top" width="97">本世纪头几年</td><td style="BORDER-RIGHT: windowtext 1.5pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: windowtext 1.5pt solid; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 89.3pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 20.4pt; mso-border-left-alt: solid windowtext 1.0pt" valign="top" width="119"> 2009正</td></tr><tr style="HEIGHT: 20.85pt; mso-yfti-irow: 1; mso-yfti-lastrow: yes"><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 71.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1.5pt solid; HEIGHT: 20.85pt; mso-border-top-alt: solid windowtext 1.0pt" valign="top" width="96"> 吃了吗、</td><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 71.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1.5pt solid; HEIGHT: 20.85pt; mso-border-left-alt: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext 1.0pt" valign="top" width="95"> 下海了吗、</td><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 73.45pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1.5pt solid; HEIGHT: 20.85pt; mso-border-left-alt: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext 1.0pt" valign="top" width="98"> 跳槽了吗、</td><td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 72.95pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1.5pt solid; HEIGHT: 20.85pt; mso-border-left-alt: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext 1.0pt" valign="top" width="97"> 去哪玩了、</td><td style="BORDER-RIGHT: windowtext 1.5pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; WIDTH: 89.3pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1.5pt solid; HEIGHT: 20.85pt; mso-border-left-alt: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext 1.0pt" valign="top" width="119">房子又涨价了吗、</td></tr></tbody></table>语言是一面镜子，人们可以从中看到时代的缩影。问候语的变迁体现了历史唯物主义的道理是