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Science Lesson
1008-0031
1999 Issue 3
zai di qi jie quan guo nian hui shang guan yu lun wen jiao liu he ke ti yan jiu gong zuo de zong jie
chen guo zuo
..............
page:6-7
tan tan duan wen min lao shi zhi jiao de guang de chuan bo
feng zhong cheng
..............
page:9
cha ye ( di wu jiang )
luo jin zuo
..............
page:10-11
lian xi nong shi , shang hao chang shi ke
jin wei ping
..............
page:17
qian tan wo xiao de huan jing jiao yu
wang jian zhong
..............
page:27
bai chun lu ( san )
..............
page:33
bian ji bu bao gao
..............
page:1
bai ma yi
tao wan guo
..............
page:18
zuo sheng huo zhong de you xin ren
li mei
..............
page:16
chang shi jiao xue de mu biao she zhi
lin bo
..............
page:14-16
cai liao yu xiao guo
zhao rui yun
..............
page:23
nong cun xue xiao yao duo kai zhan shi jian huo dong
hu shi an
..............
page:18
bu yao di gu yi nian ji hai zi de neng li
zuo ming
..............
page:20
wo shi zhe yang jiao bai de mi mi de
di xing heng
..............
page:11
huan ge si lu jiao xue
zhou qiang
..............
page:23
shi yan huo dong shi jian chang duan de bei hou
..............
page:3
guan cha zuo zuo huo dong de guo cheng
wang li juan ; zuo chun hua
..............
page:21
chen fu shi yan de qiao miao jiao ju
li chun lian
..............
page:25
re kong qi shang sheng yan shi qi de zhi zuo
zhao wen bin ; chi xu hua
..............
page:24-25
wu yi zi ran yi jing xin qian shuo xiao xue zi ran jiao xue de feng mian feng di she ji
zou shi yan
..............
page:4
zhong zi meng fa jiao xue jie lu yu ping xi
wei zhao qin ; sun hui gang ; gong zhi xiu ; qi bi de
..............
page:12-13
bai de mi mi ke tang shi lu yu ping xi
liu jin bin ; xu juan ; cang hai
..............
page:7-9
yan zhi jiao shi man yi xue sheng gao xing jia chang fang xin de zi ran xue ju
ling zuo
..............
page:4-5
ban yi zhang tai yang xi xiao bao
wang lai fu
..............
page:22
fang fei ji ya yan jiu ta men shi bu shi niao
liu tong xian
..............
page:21
shi yu yao shao san ri man bian cai xu dai qi nian qi
zou cheng lu
..............
page:1
wo bo zhuo liao yi ke huo liu xing
li ming hua
..............
page:26
chang shi she hui xing nei rong jiao xue dian di
qian yong ming
..............
page:17
xuan wo zhuan xiang de yan jiu
ye xin
..............
page:28
guang de shi yan guan cha gai jin
lian xue lin
..............
page:26
zou ma deng de zhi zuo
zhu ying hui
..............
page:24-25
pei yang xue sheng de ke xue zi ran guan
lin cun xiao
..............
page:20-21
gai jin nong cun zi ran jiao xue zhi wo jian
huang bi nian ; chen jin song
..............
page:19
ke yuan ji cui
..............
page:31-32
ting yuan jing ji yu zi ran jiao xue
..............
page:29-30
fang shou hou de yi dian ti hui
huang ya ping
..............
page:23
yun yong duo zhong shou duan zuo hao zi ran shi yan
ai zhong xiu ; yao yong xiang
..............
page:22
shuo ming ci tie de xing zhi de jiao ju
chen qi fu
..............
page:25
wo jiao ce liang tai yang de gao du
zhang xian bin
..............
page:13
ta bai bing bu huai
cao yi fan
..............
page:28