题目内容

Listen and number.(听课本第2页的录音,排一排)

(  )Wear these glasses, please!And don't touch anything.

(1)This is a factory.These machines make crisps.

(  )Don't touch the machines, please.They are dangerous.

(  )It washes the potatoes.

(  )This machine puts the crisps in their bags.

(  )What does this machine do, sir?

(  )Wait!You are a very good class.Wash your hands!You can all have a bag of crisps.

(  )Look!This machine cuts the potatoes.

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