Unit 1 Welcome to the unit ppt课件（含视频+音频）-（2020）新牛津译林版高中英语必修第三册.rar

1、Step 1: Lead inTalk about your favourite English song.Step 1: Lead inTalk about your favourite English song.Step 2: Pre-readingListen to the English song and answer the following questions.(1) What are the rhyming words in this song?(2) How do you understand “harm” and “alarm” in this song?Step 2: P

2、re-readingListen to the English song and answer the following questions.(1) What are the rhyming words in this song?Possible answer:harm/alarm; seas/trees; clean/green; above/love; pollution/solutionStep 2: Pre-readingAnswer the following questions.(2) How do you understand “harm” and “alarm” in thi

3、s song?Step 2: Pre-readingAnswer the following questions.(2) How do you understand “harm” and “alarm” in this song?Possible answer“Harm” means something bad we have done to the Earth, including polluting soils and seas, cutting down too many trees, etc. “Alarm” means the signal that warns us of the

4、importance of environmental protection which urges us to find a solution to this problem.Step 3: While-readingRead the song lyrics and answer (1)What is the message of the song?Humans have done much harm to the Earth, and we have to take action to change this situation.Step 3: While-readingRead and

5、answer (2) What can you do to help protect the environment?We can use less paper and fewer plastic bottles and bags. Cutting down on electricity usage can also help reduce the air pollution that power stations create.Let us not, however, flatter ourselves overmuch on account of our human victories o

6、ver nature. For each such victory nature takes its revenge on us. Friedrich Engels “但是我们不要过分陶醉于我们人类对自然界的胜利。对于每一次这样的胜利，自然界都对我们进行报复。” 恩格斯是德国哲学家、革命导师。这句话选自他的劳动在从猿到人转变过程中的作用一文，意在告诫我们： 人类要和自然和谐相处A short videoStep 4: Post-readingRead and discuss:What can you do in our daily life to help take care of our s

7、weet Home?Step 5: Post-reading Read and discuss:What can you do to help take care of our sweet Home ?1. Plant trees2. Protect the forest3.Walk / Ride a Bike. Sometimes, its not necessary to take a car everywhere you go; walking or riding a bike is a great way to get some exercise and reduce your car

8、bon footprint to help save the earth.Unplug Unused Electronics. Even unused electronics can suck up energy unplug rarely-used items to reduce energy consumption and your electric bill. Its a win-win.Use Public Transportation/Carpool. If walking or riding a bike is out of the question, mass transit a

9、nd/or carpooling causes less strain on the environment and puts a smaller dent on your bank account.Keep Old Electronics. E-waste is a growing concern, especially when industrialized countries send old electronics to poorer nations, harming both the impoverished individuals who salvage them and the

10、environment that must sustain the waste. Try not to upgrade to the latest version of any gadget you have if the device you own continues to work well. If you need to, though, deposit your old version at an e-waste collection center.Grow Your Own Food. Having your own garden is a great way to eat org

11、anically, avoid genetically modified foods, and reduce the need for polluting farming equipment and substandard irrigation methods.Use Reusable Shopping Bags. Plastic bags arent biodegradable, meaning nature cant break them down, and they often end up ravaging animal habitats or polluting waterways.

12、 Instead, use a cloth or canvas bag when doing your grocery shopping.Use LED Light-bulbs.LEDs are more energy efficient than regular incandescent bulbs. In fact, they are 75% more efficient and last 20-25 times longer. This is a no brainer, save the planet and save your cash!Skip the Bottled Water.

13、Opt for a reusable water bottle to save money and help the environment. Besides, tap water is already stringently monitored by the government, so bottled water isnt necessarily safer.Buy Sustainable Products. When growing your own food isnt an option, you can let your money speak for you. Buying sus

14、tainable products is a great way to help the environment. Supporting your local farmers market, only purchasing items that you need or repairing items that you already have, buying reusable or recycled products, and investing in appliances with EnergyStar ratings are all great ways to buy sustainabl

15、y.Pick up trash. Notice all of the trash on the sidewalks or on the road? Take a moment to pick it up and throw it in the trash or recycle it. Make it a habit on your walk to work to bring a bag with you to fill with trash or simply drop it in the closest trash can. If everyone picks up a couple pie

16、ces of trash each day the world would be a much cleaner place.Recycle. Recycling is a classic way to help the environment, but not many people know exactly which items can be recycled. Glass, newspaper, aluminum, steel cans, plastic, food and yard debris (compost), corrugated cardboard, motor oil, a

17、nd batteries are all items that can be recycled at community recycling facilities. To find out what items can be recycled in your community, contact your local waste management.Reuse. Simply reusing old items can help protect the environment. Glass containers can be used for storing food or other it

18、ems, cereal bags can be used in place of Ziploc bags, and old or unused items can be sold in a yard sale; its about finding alternative uses for items so that waste can be reduced. ecosystemoverseasregioncontinentmillionlengthn. 生态系统adj. 海外的，国外的adv. 在海外，向国外n. 地区，区域；行政区n. 大陆，陆地，洲num. 一百万；许多，大量n. 长，长度

19、；时间的长短； 篇幅，(电影)片长Words and expressionsWords and expressionsWords and expressionsWords and expressionsbiodiversityspeciesnutbrazil nutlilywater lilyvarietywildlifebeneathn. 生物多样性n. (pl. species) 种，物种n. 坚果巴西坚果n. 百合(花)睡莲n. 不同种类；变化，多样性；变种，变体n. 野生动植物，野生生物prep. 在.下面，在.下方；配不上masstoweringhardwoodlivingmamma

20、ljaguarsurvivefrogn. 大量；团，块，堆；一大群adj. 大批的，广泛的adj. 高大的，高耸的；出色的n. 阔叶树；硬材(阔叶树的木材)adj. 活着的，活的；在使用的n. 生计，谋生；生活方式n. 哺乳动物n. 美洲豹，美洲虎vi. 生存，存活vt. 幸存，幸免于难n. 蛙，青蛙in turninsectmicroorganismbreak downnutrientbreathe life intocarbonoxygenthus相应地，转而n. 昆虫n. 微生物使分解(为)，使变化(成)n. 营养素，营养物给带来起色，注人活力n. 碳n. 氧，氧气adv. 因此，从而；

21、这样disappeardue toagriculturecattleimpactextinctiondamageclimatebuild upvi. 不复存在，灭绝，消亡；消失；失踪由于，因为n. 农业，农学n. 牛n. 影响，作用；撞击，冲撞vi. & vt. 有影响；冲击n. 灭绝，绝种vt. & n. 损害，伤害，损坏，破坏n. 气候；倾向，风气逐渐增加，扩大Step 6: Homework1.Preview the Reading part, consolidating the vocabulary taught just now;2. Complete Page 4-5 A1、A2+ 第二十九期报纸 所有的题。Thanks