What do forests give us?
A、Produce fresh oxygen.
B、Purify water and air.
C、Provide people with jobs.
D、Help in regulating temperature and rainfall.
大学英语听说（一）

章节列表

Introduction5Unit 1 Traces of the Past5Unit 2 A Break for Fun5Unit 3 Life Moments5Unit 4 Getting from A to B5Unit 5 Relax and Explore5Unit 6 Wit and Fit5Unit 7 Weird, Wild and Wonderful5Unit 8 Money Matters5Final Exam49
What do forests give us? A、Produce fresh oxygen. B、Purif - Final Exam - 大学英语听说（一） - U校园 | 大学网课搜题引擎