劉紅

Business/ materials

Text book/students exercise book

PPT， students handout

Objectives

The students will be able to identify the writing skills and ?demonstrate their writings about the environmental problems with the target structure， words， phrases and patterns.

Objective discussion：

The target structure：

Warming – ups：

Pictures： 5 ppt pictures

1.Pair work： What are the major environmental problems？

2.What words， phrases or sentences can you think of according to the pictures？

Modeling and Instruction：

I cant help but feel concerned about the destruction of tropical forests.

Its one of the most serious environmental problems today.

From what I understand，

people are cutting down trees every day. This is killing hundreds of wild animals that live in the forest. Unfortunately， we do nothing

but talk about it. We dont do anything to protect the forest We need to stop people doing it. There should be strong laws. I think that people who cut down forests should go to prison.

I cant but think that we have no right to destroy nature. We must protect wildlife for future generations. Hopefully， our children will be more responsible than we are today.

Some target words：

Complete the chart：

Complete the sentences with the proper words above Poison

With the development of science and technology/ agriculture and industry， more and more ______ chemicals are produced.

（poisonous）

Many people are poisoned and have lung cancer.

Some target phrases：

Fill in the blanks in the passage， choose the correct phrases above：

Environmental problems are getting1. ___ （正變得越來越糟）insome places. For example， its common that drivers2. ___ （被困?。﹖raffic ?jams.3.（過量的） ___ ?Carbon ?dioxide ?released ?by ?car and chemicals from factories makes it difficult for people to breathe. They also make the temperature go up， causing the rise of the sea level and even desertification. Waste water from factories4.（傾倒） ___ into rivers and oceans. As a result， it kills the fishes in them. Trees on the hills 5.（砍伐） ___， so that they can no longer 6.（吸收） ___carbon ?dioxide or 7.（釋放出） ___ ?oxygen. ?In ?my ?opinion， ?the reason why our drinking water is polluted is that farmers use fertilizer to work on their fields. Furthermore， owing to the plastics， animals are killed. In fact， pollution 9.（對(duì)….. 造成危害） ___ to our existence and cause the destruction of our environment. （coherence： prep， adv， conj， patterns， ?to do ， doing） Notice the coherence in red.