作业帮求中学生百科英语第一册第二单元第四课HowCanaPlantKill?原文
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/13 08:58:11
求中学生百科英语第一册第二单元第四课HowCanaPlantKill?原文
People kill.Animals kill.Animals and people kill for food or they kill their enemies.People and animals can move around and find something to kill.They can run away from an enemy.They can kill if it is necessary.
Many kinds of animals eat plants.The plants can not run away from their enemies.Some plants make poison.If an animal eats part of the plant,it gets sick or dies.Animals learn to stay away from these plants.There are many kinds of plants that make poison.Most of them grow in the desert or in the tropics.
Today farmers use many kinds of poison on their farms.Most of these poison come from petroleum,but petroleum is expensive.Scientists collect poisonous plants and study them.Maybe farmers can use cheap poison from plants instead of expensive poison from petroleum.
是这个吗
Many kinds of animals eat plants.The plants can not run away from their enemies.Some plants make poison.If an animal eats part of the plant,it gets sick or dies.Animals learn to stay away from these plants.There are many kinds of plants that make poison.Most of them grow in the desert or in the tropics.
Today farmers use many kinds of poison on their farms.Most of these poison come from petroleum,but petroleum is expensive.Scientists collect poisonous plants and study them.Maybe farmers can use cheap poison from plants instead of expensive poison from petroleum.
是这个吗
求中学生百科英语第一册第二单元第四课HowCanaPlantKill?原文
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