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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
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
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
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
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
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
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
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
xin zang shi san shi yi ting ma ?
tao guo zhong
..............page:30