Unit 1
Lesson 1 The Menace of Pit Bulls
Lesson 2 A Whale ofa Tale
Lesson 3 Grizzly Tales
Lesson 4 Attack of the Red Fire Ants
Lesson 5 Snakes，Snakes Everywhere
Lesson 6 Rhinos vs．Humans
Unit Summarizing 1
Unit 2
Lesson 7 Danger—Rabid Animals!
Lesson 8 Night Killer
Lesson 9 The Man—Eating Komodo Dragon
Lesson 10 Elephant on the Rampage
Lesson 11 Tigers：Humans on the Menu
Unit Summarizing 2
Unit 3
Lesson 12 Crocodiles：The Jaws of Death
Lesson 13 Killer Bees
Lesson 14 Cougars on the Prowl
Lesson 15 Scorpions：Killers in the Desert
Lesson 16 The Mystery of the Giant Squid
Unit Summarizing 3
Appendix
Answer Key
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