牛津译林版英语八年级下册Unit8Task精品课件.ppt

Task Unit8 A green world初中英语译林版八年级学习目标一、学会在正式写作前用笔记整理思路二、熟练运用本单元所学词汇、词组和句型组织语言三、完成一篇与环保话题有关的演讲稿Warm up• How can we go green?•What can we do to save water?•What can we do to save power?•What can we do to reduce pollution?protect the environmentPresentation￿Presentation￿This picture is very simple.简单的Learn some new wordsstep n.步骤; 措施planting a treepower n.力量;电力ARead the notes and answer the questions.What can we do to save water?•Take shorter showers.•Turn off the tape when we brush teeth.•Reuse water if possible.What can we do to save power?•Turn off the lights when we leave a room.•Turn off the power when our TV or computer is not in use.What can we do to reduce pollution?•Do not use plastic bags. Take our own bags when shopping.•Separate waste into different groups.Which else can we do to live a green life?• Do more exercise and watch less TV.• Plant some flowers at home.B Complete her script and use the information on page 118 to help you.Our environment is changing for the worse, so it is time for us to (1) _________. Here are some simple steps to take.We can save water by taking (2) _______________ and turning off (3) __________ when we brush our teeth. We should also (4) ___________ if possible. In order to save power, we should (5)_________________ when we leave a room. We should also turn off the power when our TV or computer is (6)_________.Some other good habits can help reduce pollution too. We should not use (7)___________. Instead, we should take (8) _____________ when shopping. go greenshorter showersthe tapreuse waterturn off the lightsnot in useplastic bagsour own bagsRecycling is also a good way to help reduce pollution. We should separate (9)_______ into different groups so that it can be recycled.Moreover, it is important for us to develop a green lifestyle. We should (10)_______________ and watch less TV and it is good to (11) _________________ at home. Follow these small steps, and you can make a big difference to the Earth!wastedo more exerciseplant some flowersUseful expressions:1. It is time for us to ….2. We can save water by ….3. We should use/take ….4. … is a good way to ….5. It is important for us to ….6. It is good to ….7. Moreover, …. Now it’s your turn to give a presentation on how to go green. Discuss this in groups of four and write down your notes first.Sample writing The Earth is in trouble! We need to take steps to protect the environment.Recycling is a great way to save energy, space and money. It also means cleaner air and water. Many things can be recycled, such as glass, paper, plastic, old clothes and shoes.However, we must remember that recycling is not the only way to protect the environment. For example, We can save water by reusing it if possible. It is important for us to take our own shopping bags to the supermarket, use reusable bottles for drinksand put our lunch in a reusable box. Moreover, if we always remember to turn off the lights when we leave a room and turn off the power when our TV or computer is not in use, we can save a lot of energy .It’s time for us to take action to make the Earth a better place!Summary•New words and phrases: simple, step, power, do more exercise, make a difference•Useful expressions: Our earth is changing for the worse, so it is time for us to go green.We should not use plastic bags. Instead, we should take our own bags when shopping.Moreover, it is important for us to develop a green lifestyle.Homework1.Review all the expressions about how to go green.2.Write your own presentation about how to go green.。