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Science Lesson
1008-0031
2000 Issue 3
duo ge xin yan yu xiang ji zhi dao
zuo ming
..............page:21
zen yang zuo hao chen ji shi yan
yao lin hai
..............page:37
er yang hua tan shou ji man liao ma
wang xing lin
..............page:35
ran shao yu mie huo ke tang jiao xue
xie qing
..............page:5
zen yang jiao dong wu de jin hua
wu xiang dong
..............page:6-7
fang da jing de zi zhi yu shi yong
he jing
..............page:36
zhe yang chu li xiao guo hao
xu wei jun
..............page:8
guan jie
..............page:39
guang xue yi qi
..............page:38-39
you mu kuai he mian hua xiang dao de
kong yan
..............page:21
shen jiao yu yan jiao
huang jian hui
..............page:27
cai hong de mi mi shi yan tan suo
zhang guang zuo ; dai wen rui
..............page:25
yi yang cu xue xiao guo hao
xu zhi xiang
..............page:24
wo jiao xue sheng yang zuo zuo
jin yong qin
..............page:23
cong zi ran jiao xue nian hui kan zi ran ke tang jiao xue
huang xiang yang ; wang wen zhi
..............page:16-17
ting dun jiao shi yu yan de xiu zhi fu
gu zhong liang
..............page:13-12
rong jie gai nian de jian li
cao zuo
..............page:24-25
mo ni nei ran ji shi yan de gai jin
wang xiu lin
..............page:34
rang xue sheng zhuo dao cai hong
feng qi xiu
..............page:36
da qi ya li de shi yan gai jin
wang shao qin
..............page:35
zu zhi hao tan jiu yan tao huan jie
liu bao hui ; bai xue bing
..............page:19-20
shi re dui liu yi ke ju you feng fu de nei rong
xu yuan cheng
..............page:24-25
qiu tian , shu ye wei shi me piao luo
sun min
..............page:28-29
wo zai wu han xue xi de shou huo
lv heng
..............page:26-27
shu cai gua guo li de zhi wu xue qu tan
yu li
..............page:29-28
san ge shi yan de ti huan
xi xue rong
..............page:35
zhong zi de meng fa ke yi bu yong ni ma ?
zhong yuan lun
..............page:22
yi duan ji xing de zhi shi he li xiang jiao yu
yang gui zhong
..............page:20
gu ti re zhang leng suo zhi tan tao
liu xing ming
..............page:34
1:1 de zai ren shi
feng zi chun ; wang shu chun
..............page:12-13
zou jin shu zi dian shi
cheng yan chun
..............page:30-31
jie gou cai liao xuan ze yao qia dang
chen ke yu
..............page:37
yi jie hao ke de ping jia biao zhun
ji zuo bin ; he bo
..............page:16-17
cheng gong cong zi xing tan jiu kai shi
zhou shao feng
..............page:18-19
man tan jiao xue yu jiao ke shu
lu jin song
..............page:11
zhong guo lao hu de xian zhuang he zheng jiu dui ce
zhang en di
..............page:43
hua sheng ya jing chan liang gao
yang bo
..............page:47
teng xian de mi mi
li yang
..............page:48
zi zhi tai yang gao du ce liang yi
liu shan bing
..............page:36
tan feng de jiao xue
chen xing peng
..............page:9
wo jiao ren shi yan shi yi ke
zhang yu
..............page:9
ye zhu yu leng wei shi me bu xia jiang
sun da ying
..............page:22-23
yong tu tou jing neng ba xiang zheng guo lai ma
xiang xiang guo
..............page:22
ran shao la zhu shi yan de miu wu
ling zhao xing ; ma han ; liang en rong ; lao chuan yan hua
..............page:33
tan suo bao zhu du zi li de mi mi
..............page:46-47
liang qi dong wu de jiao xue
zhang wen
..............page:10-11
huo dong tou ying pian de zhong lei ji yun yong
liu gui ping
..............page:29
huo chai wei shi me bu tong shi ran shao
xu chun liang
..............page:23
tan zi ran ke jiao xue zhong chuang zao neng li de pei yang
zhang zhi hua
..............page:14-15
kan cha shu xue wen duo
chen sha
..............page:48
wo jiao xue sheng ren shi mao de wai xing te zheng
mou hong yan
..............page:6-8
qiao qu er yang hua tan de bu chong
wang shan fu
..............page:34