2. 职称英语
  3. What is the main idea of the passage? [br] Which of the following does the passa

What is the main idea of the passage? [br] Which of the following does the passa

游客2024-01-05  42
问题 What is the main idea of the passage? [br] Which of the following does the passage mention as necessary for both the production of oxygen by photodissociation and the production of oxygen by plants?
选项 A、Water
B、Hydrogen
C、Carbon dioxide
D、Nitrogen
答案 A
解析
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