Unit 2 Lesson 7 Planting Trees 课件(共28张PPT)

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(共28张PPT)
Planting Trees
Lesson 7
When is Tree Planting Day
It’s on March 12th.
Arbor Day
How can we plant trees
Order the steps of planting a tree.
5
4
3
2
1
1
Dig a hole. It must be large enough.
hole [h l] n. 洞
step 1.
seedling[ si dl ]
2
Put the seedling inside.
seedling[ si dl ] n.幼苗；秧苗...