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Science Lesson
1008-0031
2000 Issue 9
geng xin guan nian jin xing ke xue jiao yu yu wei qiu shi lao shi shang que
li ran
..............
page:10-11
jiao xue bai de mi mi de wu xiang zhu yi
wu yu ping
..............
page:34-35
hu die he fei e
..............
page:49
gan kong qi yu guan kong qi
qin pei juan
..............
page:27
xiao xue zi ran jiao xue ji qu zhong zhong
liu qi
..............
page:26-27
ci tie duan liao zhi hou
liu zheng ming
..............
page:26-27
ceng ceng she yi ji fa xing qu
gu xu da
..............
page:24
bian hua bu xi de di qiu
..............
page:40-41
bian fei wei bao zao lv di tan
..............
page:45
er nian ji xue sheng ye neng yan jiu bu dao weng wei shi me bu hui dao
shi shu qin
..............
page:16
zhi zuo ye de biao ben jiao xue she ji
wu li hua ; wu qing hua
..............
page:15
zen yang ce liang yue liang de zhi jing
..............
page:39
wo yong wang luo jiao zi ran
zhao li feng
..............
page:37-38
zhong guo jiao yu xue hui xiao xue zi ran jiao xue zhuan ye wei yuan hui zhao kai chang wu li shi hui
zhong guo jiao yu xue hui xiao xue zi ran jiao xue zhuan ye wei yuan hui mi shu zu
..............
page:7
re dui liu jiao xue jie lu ji ping xi
xu xiao yun ; pan xue fen
..............
page:5-6
wo men shi zen yang zuo zheng fa shi yan de
wu ying jin
..............
page:25
ren lei ji yin tu jiang dian ding sheng ming ke xue de ji chu
yang huan ming
..............
page:1
yi rong ju rong yi sun ju sun zhi wu sheng tai xue yu dong wu de gong cun guan xi
xu xin ming
..............
page:43
feng niao
sun yan sheng
..............
page:45
zen yang cai neng shang hao zi ran ke ?
xu mei
..............
page:31-32
ke xue jia ping shuo ji yin zu yan jiu
..............
page:44
zi zhi feng li fa dian ji mo xing
li dong bao
..............
page:35
shi yan jiao xue yao zheng que chu li hao si zhong guan xi
yin quan
..............
page:21-22
zuo zhi de zui hou shan guang xue xi liu mo geng lao shi guan yu san xing de tan hua
zhang ren ; zhang yi
..............
page:18-21
da qi chou yang ceng jin ji hu jiao :sos
..............
page:42
jing xin she ji wu si di rang
sun shou qin
..............
page:13
zhi dao xue sheng ba guan cha dao de xian xiang miao shu chu lai
zhou zhe
..............
page:20-21
zuo can de ke ji zhi guang zhong guo ke xue ji shu guan jian jie
..............
page:2
jie du sheng ming zhi shu
..............
page:44
ren ti nei de qi te ya li
ding yong ming
..............
page:45
rang xue sheng zhen zheng cheng wei xue xi de zhu ren
ji zuo bin
..............
page:9
ji fa chuang zao si wei de yi ke tan lian tong qi qiu
ding er
..............
page:8
ren zao di qiu wei xing zai ren fei chuan hang tian fei ji
..............
page:45
xin ke yin ru zhong de ren zhi mao dun
liu ye jian
..............
page:28
sheng hua he ning hua de shi yan
zhu song wei
..............
page:25
yu lu pei zuo zhang ding er lao shi qie cuo
jiang er cheng
..............
page:11
shuo shuo zhi qu
..............
page:4
bian ji bu bao gao
..............
page:1
ru he jiao xue sheng xue hui xue xi
chen wu
..............
page:17
wei liao ba zhi cai hua cang ying
..............
page:43
wo de yi huo
wu xiao zuo
..............
page:39
yun yong xu hao ping jia pei yang ke xue tai du
zhou da ming
..............
page:14
zi ran gai nian jiao xue de san ge jie duan
zhou guo zhong
..............
page:12
chou yang
chen yan zuo
..............
page:42
you gen mao xi shui yin qi de tao lun
deng cong xin
..............
page:30
xiao xue zi ran jiao xue shi wo men de liang shi yi you
pan yun xi ; sun shu ming
..............
page:22-23
neng jing hua huan jing de zhi wu
..............
page:29
cong gai zao dao fa ming zai xiao fa ming xiao zhi zuo zhong pei yang chuang xin jing shen he shi jian neng li de chang shi
wang jian zhong
..............
page:24
di qiu da qi
yuan feng xin
..............
page:41
san ze jiao xue zhong de xiao cha qu
zuo qing yang
..............
page:28-29
wo men zai pei chu liao fan qie wa wa
li wen zuo ; wang bing qing ; ma xin yu
..............
page:46-47
yu zuo kai hua
zhe jiang sheng xiao shan shi jing jiang zhen gan lu zhong xin xiao xue zi ran guan cha xiao zu
..............
page:47
zi ran jiao xue yu nong ye xie shou
xie rong ting
..............
page:30
wo mei you bai lei
guan hong
..............
page:32
tan zhong nian ji zi ran shi yan jiao xue
sun rui ming ; zhang gui lan
..............
page:33-34
tan jiu yan tao jiao xue fa ye shi he nong xue zhuan ye jiao xue
liu jin xue
..............
page:36-37