第一章　难度等级1

　Reading Exercise 1

　Reading Exercise 2

　Reading Exercise 3

　Reading Exercise 4

　Reading Exercise 5

　Reading Exercise 6

　Reading Exercise 7

　Reading Exercise 8

　Reading Exercise 9

　Reading Exercise 10

第二章　难度等级2

　Reading Exercise 11

　Reading Exercise 12

　Reading Exercise 13

　Reading Exercise 14

　Reading Exercise 15

　Reading Exercise 16

　Reading Exercise 17

　Reading Exercise 18

　Reading Exercise 19

　Reading Exercise 20

第三章　难度等级3

　Reading Exercise 21

　Reading Exercise 22

　Reading Exercise 23

　Reading Exercise 24

　Reading Exercise 25

　Reading Exercise 26

　Reading Exercise 27

　Reading Exercise 28

　Reading Exercise 29

　Reading Exercise 30

参考答案