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Science Lesson
1008-0031
2000 Issue 4
shui you pi ma
liu min
..............page:48
liang dian yi lun
chen gang
..............page:31
guan yu da qi ya li ke zhong de shi yan
wen qi wang
..............page:32
yi bai duo yong bai de mi mi yi ke jiao xue ti hui
li li ying
..............page:34
dui fei teng shi yan de yi dian gai jin
zhou zhong yuan
..............page:33
hu nan sheng zuo ling xian xiao xue zi ran jiao xue gai ge shi nian hui gu
zuo yuan zhi ; li shun li
..............page:17-18
he cheng zhi yi jun tu qi
..............page:46
guan yu jian fu
..............page:4
ni zhi dao zuo yu duo shao
..............page:46-47
wo jiao xue sheng gai liang mian hua
liu qing yuan ; zuo chun hua
..............page:24
bian ji bu bao gao
..............page:1
shen mi de yan jing
..............page:15
qing chu ti nei la ji chi shi me
..............page:46
zai jiao shi li yang can
ye chun mei
..............page:12-13
xiao shui tang yu hai lu feng de xing cheng
ye zi li
..............page:20
ke xue fa ming yao kao shui
..............page:30
liang ci jiao zhong yao xian ku hou tian
sun yan
..............page:29
nao ren de ao mi
cheng gang
..............page:30
xin yue bao jiu yue de mi mi
wang ban ban
..............page:48
zu zhi xue sheng can yu ke qian zhun bei
liu li hong
..............page:10
shi wu lian jiao xue shi lu
chen ying liang ; fang chu zuo ; cang hai
..............page:8-11
huang dong yin cha wei shi me bu fa sheng
zeng de jun
..............page:37
kun chong
..............page:38-40
shi wu lian jiao xue she ji
chen ying liang ; fang chu zuo
..............page:7
xia yi ge qian nian de ke xue
si di fen huo jin
..............page:3
ya suo kong qi jiao xue li tan
wu li hua ; wu qing hua
..............page:16
li yong tai yang zhao chu bei fang
..............page:36-37
lv se zi wu xian
..............page:44
shuo shuo fang xian qing feng xiao xue de zi ran jiao xue
du rong chang
..............page:26-27
ke nei ke wai xiang hu yan shen
ke min
..............page:22
die shi zhi sheng fei ji mo xing de gai jin
liu shi fang
..............page:33
mie wen neng shou liu tiao yu
..............page:47
xue you suo de xue you suo yong
ban hang
..............page:21
yang zhen ning tan zhi xue
..............page:40
yao bu yao wen yi wen yu shi shi me
han bi chao
..............page:21
yong zuo qing chun de zhi wu biao ben
wan ming yi
..............page:35
lai zi yu zhou de tai yang feng bao
he zhi jun
..............page:42
sheng yin de chuan bo zhong de shi yan
zuo yu jing
..............page:34
zen yang zuo yi ge ri zuo yi
..............page:36
e sha xue sheng chuang zao li de biao yang
hou chun yan
..............page:37
luo si ding jiao xue de ping xi
zhang ren ; huang zuo zuo
..............page:13-14
yao zheng que dui dai xue sheng de fa yan
chen jian guang
..............page:19
ting ke zha ji er ze
pan xue fen
..............page:19
yan shi shi yan de san bu qu
ling xing biao
..............page:35
zhu yi shi xiang rang xue sheng lai ti
zuo qing yang ; zhong dao xuan
..............page:23
wo jiao guo shi de xing cheng
chen xing peng
..............page:15
you bai hu suo xiang dao de
tang zhao zi ; tang xiao jia
..............page:41
bu fang shi shi zi zhu can
li dong yan
..............page:22
bai da gua de bian qian
..............page:45-46
bu jing yi shi bu chang yi zhi
gao qiang
..............page:28
zi ran jiao xue zhong xue yong jie he san li
guan zhao
..............page:20