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cut yourself
What suggestion(建议) can you give him?
Safety first. Don’t forget.
Be careful!
Don’t play with the knife.
You may cut yourself.
He is climbing a tree.
Let’s talk.
Be careful!
Don’t _________________.
You may __________.
Safety first. Don’t forget.
climb the tree
fall down
fall down
What may happen?（会发生什么事?）
Let’s talk.
He is eating a bad apple.
Watch out.
Don’t ________________.
You may__________.
____________________
eat the bad apple
get sick
Safety first. Don’t forget.
get sick
What may happen?（会发生什么事?）
Let’s talk.
He is trying to touch a fan.
Watch ________ !