Losing amphibians means losing Amphibians lay their eggs

admin2008-09-21 11

问题 Losing amphibians means losing
Amphibians lay their eggs

选项 A、in any stream they can find,
B、in places without UV light,
C、only on sand.
D、only in the right conditions

答案D

解析

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职称英语理工类A级

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