Science Lesson 1999 Issue 10 san lei tu rang shen shui xing de dui bi shi yan

san lei tu rang shen shui xing de dui bi shi yan
nie de yong

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tan fang da jing de jiao xue
zuo qing yang

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jiao xue ping heng yi de
liu shao hua

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zuo zuo shi lan zao ke xing

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wo dui zhong da suan ke hou yi li de chu li
chen qi fu

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zhi shang de lai zhong jue qian
li sheng biao

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yi ci you yi yi de ye wai kao cha huo dong
wang lai fu

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rang xue sheng zi xing tan jiu shi wu de ying yang
zheng he fen

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cong cu yin fa de yan jiu huo dong
wang hui lan

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ke yuan ji cui

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bian ji bu bao gao

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zhong guo jiao yu xue hui xiao xue zi ran jiao xue zhuan ye wei yuan hui 1999 nian nian hui you xiu zi ran ke ping jia biao zhun

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shi yan ji fa de ling gan
gao chun sheng

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zhen yao duo ge xin yan
lai guang

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heng po geng zuo ke jian shao shui tu liu shi

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shi yan shi bai zhi hou zen me ban
huang wei dong ; chen hong dao

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wo dui re chuan dao shi yan de gai jin
yang sheng rong

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he nan qin yang ping xuan xiao xue zi ran shi jia jiao shi
chang ji fa

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xiao xue ke xue jiao yu de ji cheng he fa zhan ji quan guo mian xiang xin shi ji xiao xue ke xue jiao yu yan tao hui

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tu tou jing yi ke de jiao xue si lu yu she ji
wang jian en

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tu tou jing . zi ran jiao shi yu jiao cai jian she
zhang wen

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zi ran ke gai ge jiao xue si xiang de he xin xue xi liu mo geng xiao xue ke xue jiao yu si xiang zhi er

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rang ke xue jing shen de huo ju zhao liang you xiao de xin ling
heng dian xiao xue lin ye sheng tai kao cha huo dong zu

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wo men jia xiang de shui zi yuan
deng cong xin

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wei he zou bu chu zhe yi bu
huang hai jun

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wu ti de re zhang leng suo jiao xue tan
cai zhong ying

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qian ceng lang ji shi zuo shi zuo di zhen zhong xin xiao xue zi ran jiao shi huang zhi yuan
yi ai guo

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dian nao yang zhu wang shang mai hua

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xue sheng zi ji she ji liao yi ge shi yan
wang zuo ; ma yan ping

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wo gai jin de liang ge shi yan
chang qing

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zhe liang ke he qi lai shang
luo jian

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dong hua lun zuo yong shi yan de qi cai gai jin
li qiang ; li yong zhi

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qi te de ju guang cao zuo
wang chun shui ; yang yan fang

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zhong zi de meng fa xu yao kong qi de shi yan she ji
chen xin zhong

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pei yang xue sheng chuang xin neng li li tan
wang jian zhong

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shen ru kao zheng qian ti jia she
ou yang zi yuan

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dang qian wo guo ji chu jiao yu ke cheng gai ge de qu shi he wen ti
zhang ting kai

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bu yong dian xian xiao dian zhu ye neng liang
liu yu jie ; liu gui qin

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tu tou jing ke tang jiao xue shi lu
qiu xiao xue

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yi dao shi ti yin fa de tao lun
ma zhao jia ; jiang wei guo

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