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19．Early zoos around the world
TimePurpose
in Egyptover（16）4.500 years ago years agofor （17）the fun of the rich．
in （18）in Chinaabout 3，000years ago
in ancient Greek◆to（19）Study animal and plant life
◆for（20）to receive education

分析 略

解答 16.4.500 years ago
17．the fun                      18．in China             19．Study                20．the （Greek） students

點(diǎn)評(píng) 略

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