Unit 1 In the library

Lesson 1

Lesson 2

Lesson 3

Lesson 4

Unit 2 Water sports

Lesson 5

Lesson 6

Lesson 7

Lesson 8

Unit 3　Make our world more beautiful!

Lesson 9

Lesson 10

Lesson 11

Lesson 12

Unit 4 Travel

Lesson 13

Lesson 14

Lesson 15

Lesson 16

Unit 5 Have a good time!

Lesson 17

Lesson 18

Lesson 19

Lesson 20

Unit 6 Mainly revision

Lesson 21

Lesson 22

Lesson 23

Lesson 24

强化素质 期中测试

Unit 7 A man who never gave up

Lesson 25

Lesson 26

Lesson 27

Lesson 28

Unit 8 Merry Christmas!

Lesson 29

Lesson 30

Lesson 31

Lesson 32

Unit 9 What is it made of?

Lesson 33

Lesson 34

Lesson 35

Lesson 36

提升素质　期末评估

参考答案