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April 18, 2020 (Saturday)
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Paper Info
School Type: Primary School
Year Level: Year 3
Duration (Mins): 60
total_questions: 20
Subject: 科学
rating:
Author: kate
三年级科学单元三（练习三）

单元三 消化

选出正确的答案。

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1.

以下哪项有关消化的说明是正确的？<