Write down the answers according to what you hear.When did Big Ear get a very powerful signal?
______
How long did the signal last?
______
Where did the signal come from?
______
How many times did we get the signal?
______
全新版大学进阶英语：视听说教程第一册

章节列表

Unit 1 Identity27Unit 2 Sports25The Big Picture 11Review 14Unit 3 The Night29Unit 4 Fashion28The Big Picture 22Review 22Unit 5 Homes28Unit 6 Buying & Selling29The Big Picture 33Review 33Unit 7 Weather29Unit 8 Mysteries32The Big Picture 42Review 42Practice Test One25Practice Test Two25
Write down the answers according to what you hear.When did B - Unit 8 Mysteries - 全新版大学进阶英语：视听说教程第一册 - 随行课堂 | 大学网课搜题引擎