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Science Lesson
1008-0031
1999 Issue Z2
zen yang chong fen fa hui xue sheng de zhu ti zuo yong tan kong qi zhan ju kong jian jiao xue de ti hui
huang jin qing
..............
page:11-13
nong cun shi xue xi zi ran di hao chang suo
zhang qing xi
..............
page:30
jia qiang zhi dao rang er tong chong fen zi xing tan qiu zhi shi
xiao dun kun
..............
page:18-19
wo qing lin nong jiang zi ran jiao xue yong gen jing fan zhi zhi wu yi ke
wei zhao qin ; qi bi de
..............
page:30-31
wo jiao chuan dong zhuang zhi
wang ming qian
..............
page:27
lei dian wen ti xi wu
wang lian qiang
..............
page:46
zi ran jiao shi yu huan bao jiao yu
wang li
..............
page:47
ge ren tou shang yi fang tian
chen shuang xi
..............
page:55
tan suo jiao xue guo cheng yu ke xue guo cheng ren zhi guo cheng de tong yi ji ben kan bian ji bu 1999 nian 4 yue zi ran jiao xue zhuan ti yan tao huo dong
..............
page:5
re fu she zhong dui bi shi yan she ji yu gai jin
zuo ming
..............
page:54
ce liang mo ca li de shi yan fang fa xin tan
yang zu feng ; wang chao wei
..............
page:55
wo jia de lv se kong diao
cheng yi
..............
page:64
ke gui de chuang zao huo hua ji yi ci zi ran xiao zhi zuo bi sai
xiong yin qiu
..............
page:42
hua ba ba he hua ma ma tan zai jiao xue zhong cai yong yi xie er tong yu yan
zhong yong ping
..............
page:45
chuang she tan jiu qing jing diao dong xue sheng zhu dong qiu zhi tan tu tou jing yi ke jiao xue
bian jun
..............
page:28-29
jiao se ban yan zai chang shi ke jiao xue zhong de yun yong
shen sheng lei
..............
page:40
tan zhi wu sheng chang dui guang xu qiu de liang ge bu chong shi yan
deng cheng xun
..............
page:35
gu li xue sheng zi ji she ji shi yan
wu qing hua
..............
page:35
tan suo shi jiao xue zhong xue sheng zhu ti xing de pei yang
zhou jing ; zhou yi
..............
page:17-18
qiao fu nan wei wu mi zhi chui hu bei sheng xiao xue zi ran you zhi ke ping xuan si kao zhi er
li guo quan
..............
page:22-23
tan zi ran jiao xue zhong de mei yu shen tou
huang zuo da
..............
page:22-23
ke yuan ji cui
..............
page:62-63
jiu hua lun yi ke de jiao xue tan ti gao xue sheng ke xue su zhi
feng de ru
..............
page:25-26
zhi zuo sai che mo xing ren shi ji xie
jiang sheng li
..............
page:23
hua ti de ke xue yi ke jiao xue shi yan qi cai de she ji
xiong jun fen
..............
page:26
wo dui re fu she shi yan de gai jin
gao hui wu
..............
page:53
pai chu fu she gan rao tu chu chuan dao zuo yong re chuan dao she ji shi yan yi de
liu hui
..............
page:53
qiao bao guo shu pi gong shu jie shuo guo
sun yao
..............
page:64
fei wu zhi zhuan da you ke wei
..............
page:60
zhong guo zhen xi dong wu ( qi ) tai wan hou
..............
page:65
geng hao de jiao yu chu zi chuang zao xing de fa hui wo cong xiao xue zi ran jiao xue zhong de dao de qi shi zhi yi
li wei sheng
..............
page:56-57
cai hong wei shi me shi yuan hu xing de
zhao zhao
..............
page:45
zhi dao xue sheng yun yong zhi shi jin xing tan qiu tao lun re kong qi de jiao xue zhi er
zhang wen
..............
page:20
bian ji bu bao gao
..............
page:1
xiao mao diao yu
zhao wen ping
..............
page:37
yun yong jian bi hua tu po zhong nan dian
xu mei
..............
page:37
yun yong dui bi fang fa shang hao zi ran shi yan ke
sun rui ming
..............
page:54
kong qi zhan ju kong jian shi yan de gai jin
wang ming
..............
page:54-55
yi yu po de de jiao xue dui ce
zhao he sheng
..............
page:21
zhi feng che jiao xue chu tan
chen xing peng
..............
page:28
bu ru dong wu
..............
page:66
yang chang bi duan yin di zhi yi nong cun xiao xue zi ran jiao xue gai ge chu tan
xiang chang bin
..............
page:32
bu shang de zi ran ke
zeng xiang wen
..............
page:43
yi gang gan wei li tan shi yan ke jiao xue
qiu yu fu
..............
page:24-25
zhi zuo jian yi guang ju zuo
zhang wei
..............
page:50-51
gu ti re zhang leng suo shi yan de gai jin
tao xing dong
..............
page:36
yong zi zhi lou dou zuo kong qi zhan ju kong jian shi yan
zhou qiang
..............
page:51
gen de xi shui zuo yong jiao xue jie lu ji ti hui
zhou chang sheng
..............
page:42
ke wai zuo de liang jian shi
zheng xian zhong
..............
page:40
zhun bei shi yan zuo liao san tian ban
liu yu jie ; liu gui qin
..............
page:13
yin dao xue sheng zhu dong tan jiu
zhang yan
..............
page:41
dao chi tang bian da shu xia he sheng wu yuan qu guan cha
li ming jing
..............
page:44
xiao zhi yi li dong zhi yi qing dao zhi yi xing tan zi ran ke zhong de huan bao jiao yu
ye xiao ren
..............
page:48-49
qing jing jiao xue zai huan jing jiao yu zhong de yun yong
xuan rong ping
..............
page:48-49
kun chong ke de jiao an
zhang ; zhang ren
..............
page:15-16
cong xie jiao an zuo qi
zhang zhi ren ; ben kan bian ji bu
..............
page:14-15
yao shan yu jiang jiu
zhang zhi ren
..............
page:6
xiao xue de zi ran ke shi wo xi huan ke xue yan jiu
zhao zhong xian
..............
page:1
kun chong ke tang shi lu
zhang ; hu xian yun
..............
page:6-8
hong shui gei zi ran jiao xue de jing shi
qin pei juan
..............
page:49
shi lun er tong si wei fa zhan de nei zai ji zhi ji qi dui zi ran jiao xue de qi shi
su hong
..............
page:33
fan zuo teng
deng li
..............
page:64
zhong guo xiao xue zi ran he ri ben xiao xue li ke jiao yu zhi bi jiao yi zi ran jiao xue da gang he xiao xue xiao xue xi zhi dao yao ling wei zhong xin
meng ling hong ; bao dian guo ; teng dao hong chun
..............
page:57-59
zi zhi tai yang gao du ce liang yi
yang feng ; zhan yan qin
..............
page:50-51
da bie shan tu te chan piao yang guo hai
..............
page:60
yong tai yang neng zuo wei kong diao de neng yuan
..............
page:60
qiao yong yin liao xi guan zuo fan chong shi yan
yin cui ping
..............
page:52
bi ma you gong bu ying qiu
..............
page:61
li xiang de luo bu ma xian wei
..............
page:61
dui shui de fu li shi yan de gai jin
zhang rui xiang
..............
page:52
kong qi zhan ju kong jian ke tang shi lu
huang jin qing ; sheng jing jing
..............
page:9-11
tie xie de qing xi fang fa
liu min
..............
page:52
yi ge cheng gong de xiao shi yan
cao shu zhong
..............
page:53
rang zi ran ke cheng wei xue sheng de zui ai tan zi ran jiao xue zhong xing qu de pei yang
zhang yun hang
..............
page:38-39
cha ye ( di jiu jiang )
luo jin zuo
..............
page:34
yong liang ju hua jiao shui zai zi ran jie li de xun huan
tian ying xin
..............
page:29
rang xue sheng mo yi mo luo mian
hu jin yong
..............
page:38
zhua hao zi ran chang shi ke de ke qian he ke hou
qian lin jie
..............
page:39
bei zi li de shui liu bu chu lai liao
zuo qing yang
..............
page:43
8zhong bao jian yin liao zou qiao ri ben
..............
page:61
chen tian ya fang cao geng shang wei lou
..............
page:4
fang shou rang xue sheng qu fa xian he jie jue wen ti
yu yu ying
..............
page:36