单元：Unit 02.txt

• poster
• illegal
• illegally
• hunt
• hunter
• immediately
• species
• shark
• fin
• on earth
• die out
• alarming
• alarm
• rate
• rating
• extinct
• extinction
• mass
• habitat
• aware
• aware of
• endanger
• average
• on average
• prince
• make progress
• concern
• concerned
• concerned about
• living
• adapt
• adapt to
• measure
• authority
• pressure
• under pressure
• whale
• antelope
• Tibetan antelope
• reserve
• plain
• make out
• herd
• observe
• beauty
• remind
• remind sb of sb
• fur
• sacred
• shoot
• profit
• watch over
• day and night
• attack
• effective
• recover
• remove
• intend
• threat
• threaten
• exist
• harmony
• goods
• creature
• deer
• kangaroo
• reduce
• due
• insect
• net
• neighbourhood
• binoculars
• search for
• dolphin
• koala
• stir
• emotion
• skin
• unusual