Unit One
Section One Section Two Section Three
Passage A Passage B
Section Four
Unit Two
Section One Section Two Section Three
Passage A Passage B
Section Four
Unit Three
Section One Section Two Section Three
Passage A Passage B
Section Four
Water................................................1Speaking.................................................................
1
Listening.................................................................
2
Reading
..................................................................5
Treasuring Water
...................................................................5
The Water Resources of China and
SNWTP......................9
Writing..................................................................13
Three Gorges Dam...........................
17
Speaking...............................................................17Listening...............................................................19
Reading
................................................................21
Three Gorges Dam (Ⅰ)........................................................21
Three Gorges Dam (Ⅱ).........................................................25Writing..................................................................29
Dams (Ⅰ)....................................................
33
Speaking...............................................................33Listening...............................................................35Reading
................................................................37
A Gravity
Dam......................................................................37
An Arch Dam
........................................................................41
Writing..................................................................45
Unit Four
Section One Section Two Section Three
Passage A Passage B
Section Four
Unit Five
Section One Section Two Section Three
Passage A Passage B
Section Four
Unit Six
Section One Section Two Section Three
Passage A Passage B
Section Four
Dams (Ⅱ)....................................................
49
Speaking...............................................................49Listening...............................................................51
Reading
................................................................53
The Embankment Dam.......................................................53
The Inflatable Dam
.............................................................57
Writing..................................................................62
Spillways...................................................
65
Speaking...............................................................65Listening...............................................................67
Reading
................................................................69
A Normal Channel Spillway
................................................69
A Side Channel Spillway
.....................................................74
Writing..................................................................77
Hydroelectricity..................................
81
Speaking...............................................................81Listening...............................................................83
Reading
................................................................85
Hydroelectricity
....................................................................85
The Three Gorges Hydropower Station
...........................90
Writing..................................................................93