Unit 4 Global warming-warming up and reading[新人教版选修6]

人教版高中英语选修6第四单元

Unit 4Global warming

人教版高中英语选修6第四单元

We depend on energy to do many things in our daily lives. For example, energy lights our cities and heats our buildings. Make a list of things that use energy in your home, in your school, or any other places you can think of.

energy sources

人教版高中英语选修6第四单元

cassette player heating

micro-wave oven fridge

lighthairdryer

things that use energy stove in your home

televisioncomputer

stove

video player

washing machine

人教版高中英语选修6第四单元

WindmillsWind energy is used as power to produce electricity .

人教版高中英语选修6第四单元

The coal power stations燃煤 发电站 where electricity is produced by burning coals.

人教版高中英语选修6第四单元

in which oil is refined 精炼 and made pure纯 净的.

The Oil Refineries 炼油厂

人教版高中英语选修6第四单元

A nuclear power plant原 子能发电站

a facility(设备，装置) designed to convert nuclear energy into electricity.

人教版高中英语选修6第四单元

Solar panels太 阳能接收器

on the roof of a house on a bright sunny day are used to collect solar energy, making your house warm or heating your water.

人教版高中英语选修6第四单元

are used to keep back The Hydroelectric dams water and raise its level 水坝 for irrigation or for

producing electricity, etc.

人教版高中英语选修6第四单元

DiscussAn energy source is “renewable” when supplies of it never run out and “nonrenewable” when one day they will run out. Which energy sources on your list are renewable and which are non-renewable?

人教版高中英语选修6第四单元

What are these buildings made of and what is their purpose?

They are made of glass and plants can grow in it when it is cold outside.

人教版高中英语选修6第四单元

How does it work?The glass traps the heat from the sun, making the air warm so that plants can grow better.

人教版高中英语选修6第四单元

Greenhouse gases!What’s greenhouse gases effect?Greenhouse gases perform the same function as the glass in a greenhouse --- They trap the heat of the sun and keep the air surrounding the earth warm. It is called the greenhouse effect.

人教版高中英语选修6第四单元

The Earth Is Becoming Warmer – But Does It Matter?

人教版高中英语选修6第四单元

Reading comprehension

Read the article again and finish comprehending on page 27

人教版高中英语选修6第四单元

1.Who wrote the magazine article? What is the name of the magazine?

Sophie Armstrong wrote the magazine article. The name of the magazine is “Earth care”.2.What are the names of the three scientists mentioned in the article?

They are Dr. Janice Foster, Charles Keeling and George Hambley.