衡水金卷·广东省2023届高三年级11月份大联考化学答案

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(E)54.CO2/Carbon Dioxide;O2/Oxygen.55.Because they need to fight for sunlight.To fight for sunlight56.The writer wants to show that each kind of plant has its own ways to protect itself.Each kind of plant has its own ways to protect itself.57.By holding water./They hold water to help reduce the risk of flooding.58.为了保护这些植物，中国去年成立了五个国家公园。59.They can provide medicine./.We should avoid cutting down trees./.

3.A4.D

3.A4.D