parts of a plant: leaves, flowers, seeds, roots, a stem, plants need food: water, soil, air, sunlight, plants also can make things: build houses, build boats, make baskets, make clothes, make medicine, makes bags, how animals help us: give us food, help us carry things, can be our friends / pets, taste of food: sweet, salty, sour, bitter,

science grade 1

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？