L3-U1-P1-1 Listening :An Unusual Day不寻常的一天 Kathy usually gets up at 6:30...

L3-U1-P2-1 Listening :Time Zones时区 Our planet, the Earth, is the third p...

L3-U1-P3-1 Listening :Buying a New Car 1购买新车 1 Paul is a very successful...

L3-U1-P4-1 Listening :Christina's Future Plans 1Christina的未来计划 1 Christi...

L3-U2-P4-1 Listening :Overview of Earth地球概述 Earth is where we all live. ...

L3-U2-P3-1 Listening :Paul's Overseas Trip 1保罗的海外旅行 1 Last month Paul we...

L3-U2-P2-1 Listening :Paul's Trip Plan 1保罗的旅行计划 1 In six weeks, Paul is ...

L3-U2-P1-1 Listening :States of Matter物质的状态 Matter is made of atoms and ...

L5-U2-P1-1 Listening :Psychology of Love 1爱情心理学 1 One of the most import...