初中英语（深圳&香港文达版）第二册听力UNIT5-6

[00:00.00] Unit¹ 5
[00:03.08]Part 1
[00:23.22]Part 2
[00:54.99]Part 3
[01:47.96]Part 4
[02:12.49]Unit 6
[02:15.55]Part 1
[02:35.30]Part 2
[03:13.96]Part 3
[04:35.75]Part 4

1 unit   

n.单位，单元，部件，元件，装置

参考例句：

• This unit is very hard.这个单元很难。
• This textbook has twenty units.这本课本有二十单元。