下表反映了1952年和1956年我国国民经济中各种所有制经济占比的变化情况。<table style="border: currentColor; margin-left: -0.6pt; border-collapse: collapse; mso-border-left-alt: 0.5000pt solid windowtext; mso-border-top-alt: 0.5000pt solid windowtext; mso-border-right-alt: 0.5000pt solid windowtext; mso-border-bottom-alt: 0.5000pt solid windowtext; mso-border-insideh: 0.5000pt solid windowtext; mso-border-insidev: 0.5000pt solid windowtext; mso-padding-alt: 6.0000pt 6.0000pt 6.0000pt 6.0000pt;" border="1" cellspacing="0" _dj="MsoNormalTable"><tbody><tr><td style="padding: 3.75pt 6pt; border: 1pt solid rgb(0, 0, 0); mso-border-left-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">年份</td><td style="border-width: 1pt 1pt 1pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">国营经济</td><td style="border-width: 1pt 1pt 1pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">合作社经济</td><td style="border-width: 1pt 1pt 1pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">公私合营经济</td><td style="border-width: 1pt 1pt 1pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">资本主义经济</td><td style="border-width: 1pt 1pt 1pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">个体经济</td></tr><tr><td style="border-width: medium 1pt 1pt; border-style: none solid solid; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0); padding: 3.75pt 6pt; mso-border-left-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">1952年</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">19.1％</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">1.5％</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">0.7％</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">6.9％</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">71.8％</td></tr><tr><td style="border-width: medium 1pt 1pt; border-style: none solid solid; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0); padding: 3.75pt 6pt; mso-border-left-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">1956年</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">32.2％</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">53.49％</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">7.3％</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">0</td><td style="border-width: medium 1pt 1pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-right-alt: 0.7500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 0.7500pt solid rgb(0, 0, 0);" valign="center">7.1％</td></tr></tbody></table>这一变化带来的影响有(       )①中国顺利实现对生产资料私有制的社会主义改造   ②社会主义制度在中国确立③人民的生活水平得到极大的提高   ④中国已经完全消灭私有制