第4章 选择（2 / 2）
PmMvPJ2A4oKA46eQ5b6L5raU5r6L5raU5ruO5au/5Z+55KC95Iy876aV5YqB6JKW6Y245JyA4j5jPD5jLzydgOKfvO+ikeW5luawnOWEmueLp+WfjuWliOW5ieeGuuSonOW9kOiAuOSHuOSMvO+gsea1lOeXneWgh+WHpOWGh+WapOWXvuWYv+iRiOaMvO+GuuSppOWKgeiXkei+oemJheW9g+iNuOSBvO+AkeWOk+WcgOKavO+LuuS2u+SAuOSlnea3teizg+a2hOeBqueDuOSInOaJuOSMvO+MruW0r+g+Yzw+Yy88nYDigbzvp5DloLzlpLjkjYvmu47lsbDlsJzlvZDogLjkrLvksZLljLzvr5bml73nlbPmgb/nhrrksIjlia3no4LpnIDimrzvjJDlnrXouqTnqKHojLzvtKTluYLnhrrkuYLng7jkiJzmibjkPmM8PmMvPJ2A4qaA4pmA5baX5oSa56Wf56qc5rmv5aKd6Yy874un5Yq85Iuo54WX5pyA4pq875OB6ZSt556b5Z+Y5j5jPD5jLzyUgOKUgOKtuOSFg+anieU+Yzw+Yy88nYDigoDjipXln53mk7vnmrzkjbjkn7nknL/ouLDmlIDphZfmm5zmjLjlnIDiPmM8PmMvPJ2A4oKA44a65Ia/5Z6b5Yun5YC85Yy874ub6Iyu5ZyA4j5jPD5jLzydgOKCgOOGuuSpmemxjeWDuOSInOaJuOScgOI+Yzw+Yy88nYDigoDjdG55c6+Y5oy876aV5Yub6Iyu5ZyA4j5jPD5jLzyCgOOLj+WRveeEmue0l+mtkua0m+c+Yzw+Yy88nYDigoDjia7ljbjkiZzmg7/lmrzkr5jmu4DmgorohYPmhJrnvLzku7HnsIjli5znhr3kjLzvi7rkobLmmrzkk4HppZ/ntoTnvZnojLzvhrrkdG55c4ur54un5YC85Yi55I6A5pyA4pq875OB6ZCe5oaI5YCb6ZKd6T5jPD5jLzyCgOO0l+mtkua0m+eAm+mSnek+Yzw+Yy88lIDilIDinq7lsI7nPmM8PmMvPJ2A4p+875mA5baX5qq45KqT5aKs5pyW5YCc5qC95Iy875+d5pO757CI5Yun5YC85Y675JSA6YWX5rWu5oC45Iy876aT5aC95K6X6ZGI5oKA44eJ56eF54Sa542J5aW75Ia65Le16Iuc57Gw5Ymn6I245KWf54245Iy877qc5rib54C85ZOJ5o2J5pqI5ZGI5oG8772l5aOt5pe+5aWd5qC95Iy8746T5ZyA4pq874O/5YC85Yi+5Yy875+Y5q+Y5rq65KWd5rCI5Yuc54y877Sk5ayK5o6Q5bOf6bCj5bCI5ayQ5YO45Iic5om45D5jPD5jLzydgOKfvO+ikeWIueSAu+SyueWonOWgveSMvO+/mOWcgOKavO+Tgem8keWbi+aTieafmOY+Yzw+Yy88goDjg7jkiJzmibjkhJrnupzmuJvnhLzlhpHmqJzlo63mhrrksIjli5znjLzvjpDli7nkpYXlm7/oPmM8PmMvPIKA44u45IC45Ia65Iuc57uO5Zu/6LGw5Z+Y5oy877SX6b+I5oSa54O45Iic5om45Ie/6K+36D5jPD5jLzydgOKCgOOnkOWQp+WPsOWFuemppOWRu+mZu+emuOWvgeaItua9peWquOSZv+iKiuafueScgOKavO+fmOaRkOWLnOeMvO+0pOW5gue5gueQreWsp+U+Yzw+Yy88nYDigoDjp4XnjYvmjr7njr7ngabonpvlmb/ogbzvtJfpuqnnmK3lqILluYLnhbjmupzmuJvnmbvnjLzvn7bogLjktJfpv4jmnpvliIXlmKjlkaflrJzmgoDjppXlpZ/nmoDpgb/og7fohJrnv5Xppr3ol4jlia3nsbDlo4LpgbzvkqrovaXlnIDimrzvk4HpvJHloqzmhJrni6XltIXlg7jkiJzmibjkjLzvjpDliKHmlK3nhJrnuqLnhoflsIjll77lPmM8PmMvPJSA4pSA4q245IWD5qeJ5T5jPD5jLzydgOKCgOOKleW6uuS7reazruWDv+WHpeW9peWvmOafnOecgOI+Yzw+Yy88nYDigoDjkZ3lp6TlqrjkgLjkr5jmmq7lr4LouZbmsJzlmb/ojLzvtK/opYjlnIDiPmM8PmMvPJ2A4oKA47mW5rCc5YSa54e/6LuO5Ymc5qGy5r2D6Z6l55+Y5oSa55OL5oC85Yy874a65Lq65LGv6Kqk5YSa57Sv6IW56amk5ZG76a+Y5pi/6JyA4j5jPD5jLzydgOKCgOOGuuSvluaXveeVs+aBv+eGuuS0r+i9g+m7nueNieWcgOI+Yzw+Yy88nYDigoDjiZzmgInmoJfmgLjkhYDolojmjLzviZzmgInmjLzviormgLjkjLXojLzvvaXluozmnIDiPmM8PmMvPJ2A4oG877mh6YmA6YSa56mZ6ZKG5YCc5omA6bGw5aOC6Yy876mZ6ZKG5YGm6L2D6baE56KX5pyA4j5jPD5jLzydgOKCgOOpi+aJgOmXvuWrjuiMvO+RiOaavO+fmOacgOI+Yzw+Yy88goDji4/lkb3nhJrntJfprZLmtJvnPmM8PmMvPJ2A4oKA44mA6Ze+5aGy5qyc5rmg5oy875uY5bqc5Ye/6Kq45IC45LC16K+Y5rGw5Yy876W75ICJ5pyA4pq875OB6bSY5YeS5oeS5oOS55G65D5jPD5jLzyCgOO0l+mtkua0m+eDkueRuuQ+Yzw+Yy88lIDilIDinq7lsI7nPmM8PmMvPJ2A4oG876+W5pe955Wz5oG/55SA4pSA4pmr54C45Iu45Jq874O45aOu5Y+85aOt5pGI5qOC6ZyA4j5jPD5jLzydgOKCgOOVuOWGuuSBpuiAnOmNuOSPu+eyt+WMvO+Ioea5luaopeeViuaEmueHpOWGh+WIheWEoum/lemmveiXiOWlneaLnOecgOKavO+TgemDuOWjruW0pOWgjOagjOaGp+WVuOWMvO+OkOWLueSIoeaUreeEmue2ruWnpOWwiOWXvuU+Yzw+Yy88nYDigoDjr5bml73nlbPmgb/nr5jmn7nkiKHmlK3nhJrnkYjmjLzvtoTnk73llIDilIDitLzkmbzkhJrnlYrmuJvnlLDmj4TmpL7ngLjkhrrklbzluJDlr5jmn5znpr3ol4jljLzvipXljJXnlrjkhJrnmLvnj4/mvpvmjbjkrbjkvpvln5jmkZDlvoDlvYPptq7lp6TltoTnnJ7mnIDimrzvk4HpkaznkK3lrKflPmM8PmMvPJ2A4oKA44+E5oyQ5ZyA4pq874aB5rm45D5jPD5jLzydgOKCgOO5gueAuOSGg+inpOWCpuWNuOSMvO+pmemShuWBpui9g+m2hOeil+aCgOOoheWJruWIueSapOWKuOSNuOSIsOifueS5gueZq+equOSkuOSWpOWmj+WGveSMvO+cjeWqnOavt+iNieW0r+i9meiCgOO3oOaAuOSfueSVs+aLnOeEmueRiOacgOKavO+MkOWkruiooeixt+afueSUj+WoneY+Yzw+Yy88nYDin7zvnYDik4vmgLzlnIDiiJDlqYHptJvmg67llK/miLnkgLvkiZzmmL/ojLzvjpPljJXnlrjkhJrnpZ/nqpzmqIXljK7lqrjkgLjkr5jmo4LpjLzvlLjkjIDopoDipoDiipXlsZTnhpDnhJrnr4/ljbjku47lnp3pqrjkhrrkmqTlr5jmmL/or5bml73nlbPmgb/njLzvuaHpiYDplrvktoXlt7XolK/mtoTnnJ7mnIDimrzvtKTluYLnuYLnjpDljK7lrJDlg7jkiJzmibjkPmM8PmMvPJ2A4oKA44u65ISa55qB5b2D6Ky75JGI5oi55IC75KGy5oKA44Od5oyh6JqA6Ya65K2X6bOF5baX5oKa5p+Y5reI5p+x5oa95Iy874a65ICA6buH5aui6I+757K35bq65IyV5oy875Wz5rSv6LiP5ayF5a6N5rmg5oKA47uH5a2i6KKb5ZuG5ai06KmJ542P5YeB6a2B6ZqI5YW55I245I2J5YyH6aOC6ZyA4pq8766u6JCP5oSa55+Y5pa55p+x5oa65LOG5aaQ5YCo6JGP5ZSP5aid5j5jPD5jLzydgOKfvO+XkOWfmOa3iOafsea7juWzg+a6uuShsuacgOKavO+TgemAqOiRj+WLiea+uOSfmOY+Yzw+Yy88nYDigbzvhrrks4blo6fosbDlmKLprpfpmZbmg4fnjLzvn4rlkIjmnYDik4vmgLzlnIDin7bomb/onJ7mgqblhr3kpoDiiZzmobLmvYPpmZbmhLXouYLngLjkjIfpk7rlupnmjLzvjJXnlrjkhJrnh7/ou47lobLmn7nkqYjltLvnup/lv5jpnIDimrzvi6XltIXliL7ln7nkg7jkiJzmibjkjLzvuZbmsJzlqrjkmb/ot7XotK/oPmM8PmMvPJ2A4oKA452A4q+W5pe955Wz5oG/54y877Cc5Yu55IaB5riw5pyA4pSA4pSA4rmh6YmA6YSa54aD6Kek5YCc5q+Y5p+55Iy8746Q5YCc5pyA4pq875OB6Y2754u75K2756e754an5ZW45T5jPD5jLzyUgOKUgOKtuOSFg+anieU+Yzw+Yy88nYDigoDjipXluZbmsJzlhJrnqIXlia7liZzmobLmsbDlirjkr7fogLjkmb/ojLzviLnkgLvkl67ntKTlkLrmhJrnvoHni7nkuKDmn5jmnIDiPmM8PmMvPJ2A4oKA44qV5bmW5rCc5b2l5aq45IC45K+Y5p6u5bqi55yA4j5jPA==