一、Read and write.
1. It's a small thing from a plant. You put it in the soil(土壤). With water and light, it can grow into a new plant. s
2. It's a kind of fruit. It's big and brown with a hard shell(壳). It grows on tall trees by the ocean(大海). You can drink its water and eat its white part. c
3. It's a part of a plant. It's under the ground. r
4. It's the part of a plant above(在……上面)the ground. It holds up the leaves and flowers. s
5. It's an action. You do this if you want to get something closer(更近). p

1. seed 2. coconut 3. root 4. stem 5. pull

二、Read and write.
Wu Binbin plants a carrot in his garden. This is his observation diary(观察日记).
First, I plant a 1. s in the small garden.
I give it some water. A seedling(幼苗)grows out of the soil.
The 2. r is growing big and strong. We eat this part of the carrot.
Finally, it’s ripe(成熟的). We pull it up by the 3. s and 4. l.
I make yummy vegetable salad with the carrot. I’m so happy!

1. seed 2. root 3. stem 4. leaves

三、[新情境·生活运用]Read and finish.
Plants have roots, stems, leaves, flowers, fruits and seeds. People eat different parts of different plants.
Roots are underground. We can eat the roots of sweet potato plants.
1.
The stems support the plants. We eat the stems of asparagus plants.
2.
The leaves make food for plants. We eat the leaves of spinach plants.

Flowers ensure(确保)pollination(传粉)for plants. We eat the flowers of broccoli plants.
Plants grow fruits to attract(吸引)people and animals to spread seeds. We eat the fruits of apple trees.
Plants make seeds so that they can grow new plants. We eat the seeds of pea plants.
3.
Task 1: Read and choose the correct pictures.
A. B. C.
Task 2: Read and choose T or F.
()4. We can’t eat the roots of plants.
()5. Plants grow fruits to attract people to eat the seeds.
Task 3: Read and write.
6. 写出一种蔬菜及其可食用的部分。
It’s a/an . We can eat its .

1. C 2. A 3. B 4. F 5. F
6. carrot; root(仅供参考)