单元：Module 06.txt

• snake
• neck
• thin
• danger
• in danger
• at last
• interested
• allow
• think of
• protect
• wild
• grow
• take away
• enough
• peace
• in peace
• notice
• look after
• raise
• research
• baby
• situation
• scientist
• produce
• southwest
• in order to
• government
• set
• set up
• nature
• nature park
• develop
• feed
• symbol