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粤人版三年级上册英语《Unit 3 Animals Lesson 3》优秀教学ppt课件
follow with your finger.
a very small egg
on a leaf
many shapes
a caterpillar
eat leaves
bigger and bigger
stop growing
hard, brown skin
chrysalis
caterpillar changing
chrysalis open
a few hours
open wings
fly away
egg
caterpillar
chrysalis
butterfly
Useful sentences:
... is round/hard/soft.
... comes out of the egg/chrysalis.
In the light of the moon,
there is a little egg on a leaf.
Next morning, a little caterpillar comes out.