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Science Lesson
1008-0031
2000 Issue 10
rang xue sheng zi ji qu fa xian
huang lai ming ; zhang qun ying
..............
page:27
da dan fang shou zi xing tan jiu
wu li
..............
page:30
bei jing zi ran bo wu guan
liu quan ju
..............
page:2
lv se shi pin
..............
page:39
wo men xin she ji de ji ge guan cha shi yan
shi yi hong
..............
page:34
chuang xin yuan yu shi jian
wei qian
..............
page:21-22
jing de zuo yong shuo ke ju li
han yan
..............
page:16-17
lian xi shi ji jin xing jiao xue ye bu nan
huang zhi ye
..............
page:31
yi ju duo de yi jian duo diao liang ge zi ran shi yan she ji de gai jin yu chuang xin
liu hong yu
..............
page:35
wo jiao dian ci tie zhe yi ke
zheng ge xiang
..............
page:18
guan yue shi
zhang jie
..............
page:46
you gan yu jian fei de xiao hua
..............
page:4
zhi zuo zhi wu biao ben de jiao xue she ji
hu yu zuo
..............
page:11-12
yan shi shi yan cao zuo bi xu gui fan
wang tong yi
..............
page:33
yi hou fei ting jiu shi wei xing liao
..............
page:43
zhen shi xue sheng si wei de huo hua
qiu ya lai ; zhang yan
..............
page:33
jiao xue yi wai de cheng yin yu dui ce
li fu sheng
..............
page:23-24
yun yong mo ni shi yan cu jin tan jiu li jie
gao xiao yun
..............
page:37
dao shan shang xue xie mian qu
qi bi de ; wei zhao qin
..............
page:14-15
jiao xue gu zuo xin tan
zuo qing yang
..............
page:19
cong nan guan cha dao kan de jian dong wu zen yang yun dong jiao xue yi de
shen li zuo
..............
page:27
ma liang shan shang wan juan shu ji yi ci xiao wai zi ran kao cha huo dong
wan ming yi
..............
page:29
ye tan le xue du yang zhen ning tan zhi xue you gan
cao ling qin ; huang hai jun
..............
page:20
rang qing gan cheng wei tan jiu de dong li yuan
zhang shao fen
..............
page:22
bu sui su bu man zu bu xie dai
lu xin qi
..............
page:7-8
wei shi me yao tao yan zhi shi
wei qiu shi
..............
page:10
kan te ji jiao shi ke de qi shi
guo sheng wu
..............
page:9
huo yong powerpoint97 zhi zuo cai ke jian
zhu yong fu
..............
page:36-37
kai kuo si wei guang cai bo shou
wei tao
..............
page:24
rang xue sheng zai dong zhong zi zhu xue xi
lai cui fang
..............
page:28-29
yi jian bu xun chang de qing wa biao ben
zhou jie ; jiang wen jun
..............
page:45
tian tan gong yuan fang chu zuo zuo zhi ya chong
..............
page:43
qian tan dian ci tie yi ke de jiao yu xue
han jia chun ; jiang ming ; ye yan
..............
page:13-14
shi yan ke zhong jiao shi jiao se man yi
bi cai xia
..............
page:28-29
tu ru qi lai de da xue
wang hui
..............
page:31
yi ci zi ran ke kao cha de chang shi
qi xiu hua
..............
page:26-27
ke xue jiao yu de dian fan tan guan mo zhang ding er lu pei zuo de liang jie zi ran ke de ti hui
li guo quan
..............
page:8-9
wang yuan jing shi zuo li lue fa ming de ma ?
huang wei dong
..............
page:40
shui zhong ye ke yi qian cha
shi yi yuan
..............
page:45
ren yu shui
zhao yue
..............
page:44
ji ji kai zhan ke wai huo dong
liu li hong
..............
page:38-39
bao hu shui yuan ren ren you ze
guo jing
..............
page:44
bian ji bu bao gao
..............
page:1
xi bu ye sheng zhi wu zi yuan kai fa qian jing guang kuo
..............
page:42-43
rang xue sheng zuo xie ke ti you hao chu
tu di
..............
page:25
cai hong de mi mi de jiao xue she ji
qin hai ping
..............
page:12
ya suo kong qi ke tang jiao xue shi lu
zhang jun
..............
page:5-7
guan yu zi ran jiao cai gai ge de ji dian si kao
zhu jia li
..............
page:18-20
tong guo sheng wu ji yin gai jin da dou
..............
page:43
xi bu sheng tai jian she xu fu he ke xue gui lv
an zuo sheng
..............
page:1
di qiu zai ku qi
chen shi zuo
..............
page:44
he li da pei ling huo shi jiao
sun da ying
..............
page:32
zhe yang zuo yin cha shi yan xiao guo hao
fu bao juan
..............
page:34
shu
..............
page:40-42
zhi dao xue sheng yue du ke pu tu shu
zhang xi bin
..............
page:39
ri xue zhe jian yi da li fa zhan gan shu zhong zhi ye
..............
page:17
xin zang shi san shi yi ting ma ?
tao guo zhong
..............
page:30
bao hu bei qu shui yuan wei sheng bao hu shi min shen ti jian kang
zhang shao ying
..............
page:44