初中英语（深圳&香港文达版）第二册听力UNIT11-12

[00:00.00] Unit¹ 11
[00:03.21]Part 1
[00:23.35]Part 2
[00:49.53]Part 3
[01:26.57]Part 4
[01:52.90]Unit 12
[01:56.98]Part 1
[02:13.83]Part 2
[02:34.59]Part 3
[03:17.72]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。