Science Lesson 1999 Issue 5 yi ju duo de de yan jiu ke

yi ju duo de de yan jiu ke

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bian ji bu bao gao

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xian zi xi kan kan shu shang de cha tu
yang yue hua

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xian rang xue sheng qu wan xiao dian zhu jiao xue you gan
shen yan qin

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cha ye ( di qi jiang )
luo jin zuo

..............page:22-23

jiao xue hou ji ying ji xie shi me
sheng min

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cong mei xing qu dao hao kai xin dao ti he jue yuan ti jiao xue yi de
cao

..............page:21

guan yu er yang hua tan xing zhi de jiao xue zhi wo jian
wang zhi fu

..............page:23

zhe ge li zi ju de hao
xiao dao zuo

..............page:15

cao zuo cai liao de shi jian huo dong shi xue sheng xue de ji chu guan yu zou chu 1:1 de dui hua zhi er
zhang ren

..............page:8-9

nai nai de nao zhong er shi de wan shua zen yang rong ru wo de yi sheng
jiang pu jian

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xi jun he bing du you shi me bu tong

..............page:30

rang kong qi ya suo kan de jian
sheng yuan xiao

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zhi jia ju you li huan bao

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zhong guo jiao yu xue hui xiao xue zi ran jiao xue zhuan ye wei yuan hui 1999 nian gong zuo zhong dian

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shu qu

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shui zai zi ran jie li de xun huan ke tang shi lu
zhu jian ; yi ai guo ; cang hai

..............page:10-13

zhe yi bu bi xu zou hao du huan yao xia jue xin zou chu di yi bu you gan
feng fa zhu

..............page:9

shi ba huan shi jian tan yong gan shu zuo cai liao jiao yong gen jing fan zhi zhi wu
xu feng zuo

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wo jiao guo shi de gong tong te zheng
ran long cheng

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zhi dao yan tao
gao guo liang

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dao cha gao di de mi mi
zhu zuo cao

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xi shuang ban na bu zai jian tang chang

..............page:30

wu tang shi pin wei ye tian

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gao ke ji mu dan

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shi yong dan bai zhi de xin lai yuan

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pa bo luo , ni hao ! zuo she pa bo luo kan dong wu jiao xue huo dong ji shi
xuan rong ping

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er duo de ke xue yi chu jiao xue chu li jian xi
zhang zhen long

..............page:18

shou xian yao shou ji shi shi he zheng li shi shi shui zai zi ran jie li de xun huan yi ke de jiao xue shuo ming
hu bei sheng jiao yan shi zi ran zu

..............page:16-18

jiao cai zhe yang chu li xiao guo hao bu dao weng yi ke jiao hou tan
xu wei jun

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fang kai dian , zai fang kai dian shui zai zi ran jie li de xun huan she ji yu gai jin
yi ai guo

..............page:12-13

shi shang ping heng zhe yi ke
liao kai hong

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ming hua he yi hei wei gui

..............page:31

dao guo lai xiang bu dao weng jiao xue yi de
liu li

..............page:20

zi se ye zi neng zhi zao yang liao ma ye de guang he zuo yong jiao hou ji
wu na

..............page:20

liang ge guan yu guang de xiao shi yan
yu yun bing ; yu bei jing

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er tong shi liang yin cha you hao chu

..............page:30

jiao shou de mai cai jing

..............page:28

tu tou jing ju guang shi yan de she ji
liu hong yu

..............page:26

zen yang jiao xue sheng qu fen dan xing he dan li
zhang yuan zhi

..............page:19

shi pin yao pin he du pin

..............page:28

huang tan shang zuo qi de sheng tai cun

..............page:28

ci tie de xing zhi shi yan she ji
zheng feng

..............page:27

qian tan tu rang dong wu
lang fu zhi ; li zhi hua

..............page:24

wei xue he zuo ren shi yi ge dao li

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yin dao xue sheng zi xing tan jiu zhi shi de qian ti
li jian mei

..............page:6

yong tao shu ye shou cang xiao mai zhong
xia yong

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ba xi guo ba xi mu

..............page:31

wo men ying gai zen yang ji nian wu si

..............page:3

hui shang sheng de zhi hu die de zhi zuo
zhu ying hui

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