第一章 难度等级

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

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

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