traffic交通.ppt

Traffic Congestion
Cause and Effect Essay
Introduction
Three sentences
2: Two background sentences
1: “This essay will discuss…”
Introduction: Background
Two sentences
Describe the current situation or
Describe the past and present or
Give one side and the other side
Introduction: Background
Describe the current situation
Guangzhou is a modern city, but it faces a modern problem. Every morning and evening, the streets are crowded with cars, taxis and trucks.
Introduction: Background
Describe the past and present
Thirty or forty years ago there were only a handful of cars in the growing city of Guangzhou. Today, the streets are bumper-to-bumper with modern 4WD vehicles, luxury saloons, and taxis.
Introduction: Background
Give one side and the other side
Guangzhou is one of the most highly developed cities in China. However, traffic congestion is a serious problem.
Introduction: Thesis
Thesis: Say what the essay will do
This essay will examine the causes of traffic congestion in Guangzhou and look at some of the effects.
discuss, analyze, examine, describe, outline, look at, mention, illustrate, review, explore, investigate…
Sample Introduction
Guangzhou is a modern city, but it also has a modern problem. Every morning and evening, the streets are crowded with cars, taxis and trucks. This essay will examine the causes of traffic congestion in Guangzhou and look at some of the effects.
Causes
Seven sentences (approx.)
Opening sentence (Topic)
Cause 1, more information
Cause 2, more information
Cause 3, more information
Causes: Topic Sentences
Several factors have contributed to Guangzhou’s traffic problems.
Guangzhou’s gridlock is the result of several factors.
There are several reasons for Guangzhou’s traffic problems.
Specify! Don’t use pronouns like This or It in the opening.