人教版八年级下册英语共分为十个单元，各单元名称如下：

1. Unit 1: How do you study for a test?

2. Unit 2: I used to be afraid of the dark.

3. Unit 3: Teenagers should be allowed to choose their own clothes.

4. Unit 4: I have a pen pal in Australia.

5. Unit 5: Do you want to watch a game show?

6. Unit 6: I'm going to study computer science.

7. Unit 7: Will people have robots?

8. Unit 8: What's the best movie theater?

9. Unit 9: When was it invented?

10. Unit 10: By the time I got outside, the bus had already left.

1 第一单元：Welcome to the world of English
2 第二单元：School life
3 第三单元：My favorite subject
4 第四单元：Outdoor fun
5 第五单元：Heroes
6 第六单元：Animal world
7 第七单元：Our beautiful world
8 第八单元：Art for art's sake