Unit 1 The Thousand and One Nights
Unit 2 If You Go to the Moon
Unit 3 Chimpanzee-The Smart Ape
Unit 4 The Legend of Atlantis
Unit 5 The Gift of Language
Unit 6 Why Did the Dinosaurs Die out?
Unit 7 Fossils
Unit 8 What Is Everything Made of?
Unit 9 Are There Any Real Monsters?
Unit 10 Skeleton in the Closet
Unit 11 Dynamite-The Stick That Explodes
Unit 12 Wales
Unit 13 The Mystery of Sleep
Unit 14 Is There Life on Mars?
Unit 15 Apple Polisher
Key to Comprehension Questions
英语音标
· · · · · · (
收起)