人教版选修6unit4workbook阅读课课件

1、Unit 4 Workbook reading The earth and human beings It is the earth that _ human beings,while it is human beings that _the earth.feeds/ cradles/ supports /mothers .hurt/ do harm to/exploit/destroy/abuse .Fast readingWhat is the environmental problem discussed in Toms essay? litter/pollution What are

2、the most common and dangerous forms of litter?Cigarette butts and plastic bags.Careful reading EvidenceButts:1. _butts are littered every year worldwide.2. _the beauty of the cicumstances.3. _some very toxic chemicals.4. _the quality of the water.5. _ plants and animals.6.Take up to 5 years to _.Spo

3、ilContainDecrease Endangerbreak down4.5 trillion EvidencePlastic bags: 1. Made from _resources.2. Take from _ to _years to break down.3. _easily in air and water.4. _up to one million seabirds, _ mammals and _fish each year.non-renewable201000FloatKillcountless100,000Toms suggestions/solutions:1) To

4、 put cigarette butts in the rubbish bin.2) Not to let plastic bags become litter.3) To use fewer plastic bags and recycle them4) Not to smoke.5) Not to use plastic bags at all.Exploration What is the purpose of the essay? -To convince people that cigarette butts and plastic bags are dangerous litter

5、 .-To advocate that individuals should do something to make the earth a better place.- To appeal to people not to pollute the earth .Alarming facts:More than 100 cities and 20 provinces in our country were shrouded in thick smog and haze for the past 7 days. -China Daily, December 10, 2013 About 40

6、percent of deaths worldwide are caused by water, air and soil pollution. -Science Daily , Aug 14, 2007Air pollution is responsible for more than 2 million deaths worldwide each year. -Science Daily, July 12, 2013Besides pollution, what are other severe problems threatening the earth? Where there are problems, there are solutions. Problem: _ Causes: _ Effects: _ Solutions: _ The government. We. I.1.Together, individuals can make a difference.2.Your contribution counts.3.Act now before it is too late.4.Saving the earth is saving ourselves .Thank yo