高中英语Unit 22 Lesson 1 Global Warming 课件2北师大版选修8

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1、1.Global WarmingObjectives:To practise using reportingverbs, e.g: warn,tell,ask,promise.To practise using vocabularyrelated to global warming.1.Global WarmingIn groups discuss what you know about global warming. Look at the pictures to get ideas.What is global warming? What are the causes of global

2、warming?Which countries do you thinkcontribute more to global warming:developed countries like America or undeveloped countries like many in Africa? Why?LondonUSASouth AfricaScan the text below for these words and work out their meanings.environmentalist:radiate:atmospheric concentration:release:ins

3、ignificant:consequence:dramatic:energy-efficient: people who are concerned with protecting the environmentsend out in all directionsthe amount of such gases in the atmosphereallow to come out too small or unimportant to consider or worry about something that happens as a result of a direct action or

4、 set of conditionsgreat and suddenthat helps to save energyHere are some key phrases from thetext:1.beyond our control2. pump into3. speed up4. refer to5. trapinto6. radiate back7. as a result of8. release into9. Given this data10. in such huge quantities11. have a responsibility to12. slow down13.

5、as individuals14. switch off15. there will be a effect on out of our controlmake intodrive fast meansput in the trapsend backbecause ofmake sth intoaccording to this datawithin large amountbe responsible fordrive slowlyindividuallyturn offwill effect Lets do Exx6.in large quantities1.Water was _the

6、fish pond from the river.2. We all need to_to finish in time!3. There is nothing more we can do. The situation is now _.4. _the accident, she is now afraid of water.5. The scientist_global warming at least three times in his speech.6. The factory was producing greenhouse gases_.pumped intospeed upbe

7、yond our controlAs a result ofreferred toUnderstand these phrases:boast about sthboast of sththreaten to do sththreaten with(a gun)talk about sth over-confidentlywill do sth in a threatening wayforce sb to do sth with a gundeny:deny doing sth:deny sth to sb:admit admit doing sthadmit to doing sth他从不

8、认错他从不认错.He would never admit to being wrong. admit of sthnot confessnot admit what didstop sth offered to sbconfessconfess doing confess doing permit sthexplain sth to sbexplain sth awayaccuse sb of sth:complain about sth/sbcomplain to sbforbid sb doing sth forbid sb to do sthtake sb to the court fo

9、r sthtell sb clearly about sthexcuse for sthsay no good about sth/sbturn to sb for sthstop sb doing sth not allow sb to do sth that has been donebeg (for ) sth from sbbeg sth of sbbeg sb to do sthbeg leave to do sthbeg the questionI beg to differbeg sb offbeg offrefuse to do sthrefuse sthask for sth

10、 from sbask sb for help to do sth (oral) 回避正题回避正题(oral) 请恕我与你看法不同请恕我与你看法不同.(oral) 替某人说情替某人说情推辞推辞unwilling to do sthrejectask sb for help to do sthask for sth from sbwarn sb (not) to do sthwarn sb of sthwarn sb about sth warn sb against doing sthadvise sb to do sthadvise sb against sthadvise sb again

11、st doing sth advise sb of sth:promise sb to do sth:tell sb not to do sthremind sb of sthsuggest sb doingask sb not to do sthask sb not to do sthtell sb about sthBe willing to do sth for sbremind sb of sthtell sb not to do sth1.2. They threatened to close credit lines if we dont reduce carbon dioxide

12、 emissions.They admitted that some poison-ous chemicals had escaped into the atmosphere.Lets do Exx9.Lesson 1 Exx.93.4.He /She/ They invited me to drop in tonight.He /They ordered me to stand up immediately!Lesson 1 Exx.95.6.He/She boasted that he/she wasthe best student in that school.He/She/They forbad us to use our dictionaries during the test. Lesson 1 Exx.97.8.He/She/They suggested having a cup of tea.He/She/They suggested that wehave a cup of tea.We inquired if the bus service was running according to the timetable today. The EndThanks for listening.

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