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2022秋新教材高中英语Unit3ConservationTopicTalk教案北师大版选择性必修第一册
展开Unit3 Topic talk
1.conservation n.保护 →conserve vt.保护;节省,节约
2.destroy vt.破坏;毁掉→destruction n.摧毁;毁灭;破坏→ destructive adj.毁灭性的
3.mining n.采矿业→mine v.开矿,采矿 n.矿井,矿
4.recycle vt.& vi.再利用,回收利用→recycling n.[U]回收利用→recyclable adj.可回收利用的→recyclable adj.可回收利用的→unrecyclable adj.不可回收的
5.informativeadj.有教育意义的;知识性强的→inform v.通知;通告→informationn.信息
6.threatn.威胁;(灾难等坏事)发生的可能→threaten vt.威胁到,危及;威胁,恐吓→threatened adj.受到威胁的→threateningadj.带有威胁的
7.illegallyadv.非法地,违法地→legaladj.合法的→legallyadv.合法地→illegaladj.非法的
8.huntvi. &vt.猎取,猎杀→huntingn.打猎→huntern.猎人
9.extinctadj.灭绝的,绝种的→extinctionn.灭绝
10.incrediblyadv.非常地,极端地→incredibleadj.难以置信的
11.urgentadj.紧急的,急迫的→urgentlyadv.紧急地→urgencyn.紧急情况
重点单词与短语精析
★课标词 ▲高频词
★1.threatn.[C,usually sing.]构成威胁的人,形成威胁的事物;(灾难等坏事)发生的可能;[C,U]威胁,恐吓
【用法归纳】
pose a threat to... 对……构成威胁
under threat 受到威胁
▶Drunken drivers pose a serious threat to other passersby.醉驾者对其他路人构成了严重的威胁。
▶These ancient woodlands are under threat from new road developments.新道路开发可能对这些古老的林地造成破坏。
▶Her parents made threats to take awayher mobile phone if her grades couldn’t beimproved.
她父母威胁说,如果她不能提高成绩,就要拿走她的手机。
【拓展】相关词语积累:
threaten vt.威胁到,危及;威胁,恐吓
threatened adj.受到威胁的
threateningadj.带有威胁的
【练习】语法填空
①(2019·江苏完形填空改编)Wildlifehas been greatly threatened(threat) in themodern age.
②Floatingice around Iceland was becominga threattonavigation.
③Someculturesseedirecteye contact asimpoliteor threatening(threaten)behavior,while Americansseeitas a sign of honesty.
④Bats areunderthreat in many areas ofthe world. The number of them has gonedown to such a level that the remainingmembers may not be enough to keep thespecies.
▲★2.switch
【用法归纳】
(1)vt.&vi.(使)改变;vt.交换,转换,对调
switch (from A) to B (由A)转变成B
switch off/on 关/开(电灯、机器等)
switch off 不再关注,不再理睬
switch over 换台,换频道
▶She worked as a librarian before switching to journalism.她在转行从事新闻工作前是图书管理员。
▶Please make sure all mobile phones are switched off during the performance.请确保演出时关上所有手机。
▶If he gets-bored, he just switches off and looks out the window.他觉得无聊时,就心不在焉地朝窗外看。
(2)n.[C](电路的)开关,闸,转换器;改变,转变
a light switch 电灯开关
a policy switch 政策的转变
▶There is a light switch on the wall.墙上有一个电灯开关。
▶We had to make a switch in our plan.我们不得不改变我们的计划。
[语境串记]Lucy got home from work early.After changing clothes,she switched off the light andcameto the living room.Then she switched on the TV and switched overto Channel10.露西早早下班回到家,换完衣服后,她关灯来到客厅。然后她打开电视,转到第10频道。
【练习】1.语法填空
①After dinner, we often switchontheTVto watchthenews, then switchtofootballgames.At 10o’clockwe switchofftheTVandgoto bed.
②(2020吉林省实验中学月考)Notonlyisbikinggoodexercise, butswitchingfroma car to a bike alsoreducestheamount of pollution in theair.
2.单句写作
(2020·四川成都外国语学校期中)我妈妈让我在离开房间前记得关灯。
Mymum askedmeto remember to switchoff thelightsbeforeleavingtheroom.
3.cut down
【用法归纳】
(1)削减,缩小(尺寸、数量或数目)。可作及物短语动词和不及物短语动词。
cut...down (to...) 减少……(至……)
cut down on... 减少……
▶We are trying our best to cut down costs and improve quality. 我们正在尽力降低成本,提高质量。
▶We need to cut the article down to 1,000 words.我们得把这篇文章压缩到1000字。
▶Cut down on fatty foods if you want to lose weight. 你如果想减肥,就得少吃高脂食物。
(2)(自根基部分)砍倒。为及物短语动词。
▶Deserts are also formed because people cut down trees and dig up grass.人们伐树掘草也会造成土壤沙化。
【拓展】cut构成的其他短语:
cut in | 插嘴 | sorry to cut in on you 抱歉打断你的话 |
cut out | 剪下 | cut this article out of the newspaper从报纸上剪下这篇文章 |
cut up | 切碎 | cutupthemeat把肉切碎 |
cut off | 停止,中断(供给) | cut off the gas supply 中断供气 |
使……与外界隔绝 | The village was cut off by floods这个村子被洪水隔离了 |
【练习】用 cut 的相关短语完成句子
①(2020·江苏南通调研)Thecompanyhascut offthegas supplytemporarilytorepairthedamagedgaspipe.
②It’s rather impolite tocut inwhen otherpeople are talking.
③(2020·山东济南期末)Evidencesuggeststhat theykept the fire burningall winter and used sharpened stone toolstocut upthe meat.
④Expertsthink theamount of homework for thestudents should becut down.
4.in danger
【用法归纳】in danger意为“处于危险中”。其后接 of 可构成 in danger of...“处于……的危险中”。
▶Once harm is done to the ecosystem,all species will be in danger,including humans.
一旦生态系统遭到破坏,所有物种,包括人类,都将处于危险之中。
▶What a moving scene to see so many people offer help to those in danger!
看到这么多人帮助那些处于危险中的人,真令人感动!
【拓展】相关词语积累:
in danger 处于危险中 out of danger 脱离危险
danger n.[U]危险→endanger vt.使处于险境,危及→endangered adj.濒危的→dangerous adj.危险的
[语境串记]Last week, John was bitten by a dangerous snake and that endangered his life. Johnwas in greatdanger.Thanks to the doctor,he received treatment in time and he wasout of danger at last.上周约翰被一条危险的蛇咬了,那危及了他的生命。约翰处于极大的危险中。多亏了医生,约翰得到了及时的救治,最后他脱离了危险。
【练习】
1.选词填空:endanger/endangered/dangerous
(2020·陕西西安期末)We should do whatwe can tosavethose endangered species, including tigers which
are considered dangerous because they can endanger people’s lives.
2.结合danger的用法完成句子
①The old man is still in danger . He is no better than he was yesterday.
②I heard Jack had a car accident and was in danger of losing his life, but luckily, he is out of danger now.
★5.urgent adj. 紧急的,紧迫的,迫切的
【用法归纳】
It is urgent that… 急需……(从句谓语用“should+动词原形”,should可省略)
▶The children in that area are in urgent need of food.那个地区的孩子急需食物。
▶It is urgent that those tents (should) be sent to the disaster area.那些帐篷急需被送到灾区。
【拓展】相关词语积累:
(1)urgency n.[U]紧急,迫切
(2)urgently adv. 催促地;急迫地
(3)urge vt. 竭力主张;催促,力劝
urge sb. to do sth. 敦促/力劝某人做某事
urge that... 主张……(从句谓语用“should+动词原形”,should可省略)
[语境串记]He urged us to collect money for those who were in urgent need of food and clothes.
他敦促我们为那些急需食品和衣服的人募捐。
【练习】语法填空
①(重庆南开中学期中)Researchers have found that red can bring a sense of urgency (urge)into our minds.
②(2020·江苏南通期中)It is urgent that we (should)carry (carry) out the alternative plan.
③Parents should actively urge their children to take (take) advantage of the opportunity to to join sports teams.
基础练|知识巩固 建议时间:10分钟
一、单词拼写(用本部分所学单词)
1.With every person using about 130 kg of plastic every year, there is an urgentneed of better ways of processing it.
2.(2020·四川宜宾期末)Plasticwaste is a hugeproblem in Indonesia,and this has led its city tocomeupwithan approach to encourage residents to recycle it.
3.The river flooded last summer and the bridgewas totallydestroyed(毁掉)in the floods.
4. A statement from the US listed many mainthreats(威胁)to African lions such as loss of habitat, lack of food and more conflicts with humans.
5.It is not allowed tohunt(猎杀) wild animals in many countries of the world.
6.Many wild animals have beenextinct(灭绝的) for various reasons.
7.We must try our best to keep our environment under carefulconservation(保护).
8.Press these two keys toswitch(切换)between documents on the screen.
9. (2020·福建福州一中期末)The majority of the students find the magazineinformative(有教育意义的) and useful to their English study.
10.The researchers say that more than one-third of ships in the southern Indian Ocean are fishingillegally(非法地).
二、语法填空。在空白处填入1个适当的单词或括号内单词的正确形式。
1.(2020·湖北襄阳五校联考)Many species areendangered(endanger)and could disappearoff the face of the Earthvery soon if we don’t do anything to savethem.
2.(2020 ·广东揭阳期中)Destruction(destroy)of theenvironment is one of the most seriouschallenges we face.
3.In hissparetime,he either listens to softmusic to relaxhimself or switchonthe TV to watch the news.
4.His story is really soinformative(inform) that you can reallybenefit from it.
5.(2020·黑龙江哈师大附中期末)When the whole area wascutoff by the flood, the government sent food thereby helicopter.
6.(黑龙江哈六中期末)Thepatient was stillindanger,becauseafter the operation,his body rejected thenew heart.
7.(2020·黑龙江哈三中期末)The class is discussing anewspaper article thaturgescitizensto help(help)reduce the noise and air pollution in the city.
8.The chairman asked me to cutdownthe report, becausehe didn’t want to speak for too long at that meeting.
9.One-fifth of the animals and plants in this region areunderthreat ofextinction(extinct) .
10.Noises, typically caused by ships or construction, do pose athreattomarine animals(海洋动物), disturbing their ability tolocate food.
综合练|能力提升建议时间:15分钟
一、语法填空。阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Abraham Lincoln 1.(bear) in 1809.He was President of the United States from 1861 until he died in 1865.
Lincoln was 193 cm tall.He was too tall 2.(fit) in most beds.When he was president,people from his hometown gave him a special bed.The length of the bed was 82 cm longer than Lincoln’s 3.(high).It was enough for him.
All his life,Lincoln liked to laugh.He liked to make other people laugh too.Once Lincoln 4.(talk) with some people,he asked,“How many legs does a sheep have?” “Four,” they answered.“Right,” Lincoln said.“Now how many legs does a sheep have 5. we call the tail a leg?” “Five,” they answered.“Wrong,” Lincoln said,“It still has four legs,because 6.(call) the tail a leg doesn’t make 7. one.”
Many people thought Abraham Lincoln was very ugly.Right before he became president,8. elevenyearold girl wrote him a letter.She said that she wanted him 9.(grow) a beard.Lincoln thought about this and decided that it was a good idea.That’s 10. in most pictures of Lincoln he has a short beard.
答案:1. was born 2. to fit 3. height 4. was talking 5. if6. calling 7. it 8. an 9. to grow 10. why
二、阅读理解
Parkside
Pick Your Own
Fancy some fresh fruit and vegetables?At Parkside Farm we grow a wide variety of delicious summer fruits and highquality vegetables for you to come and pick your own.Why not pay us a visit?
About us
Our family has been farming at Parkside Farm since 1938.Although we no longer keep cows,we still have some grassland and some fields of wheat and other crops.We started growing strawberries for Pick Your Own back in 1979.Since then,we have made the Pick Your Own area larger and we now grow about 20 different crops.
Opening times
The season starts in late June,but opening hours are variable the first week.Please ring our message line to check.From July onwards,we are open Tuesdays to Saturdays from 9 am to 5∶30 pm (last entry 5 pm).Opening hours are variable on Sundays.Mondays CLOSED.
Crop calendar(日历)
Some crops may be in limited supply at certain times,so always ring the message line for daily updates before setting out.
Strawberries:early June to midOctober
Blackcurrants:early July to midAugust
Raspberries:midJune to midAugust
Redcurrants:midJuly to midAugust
Blackberries:midJuly to midOctober
Plums:midJuly to early September
Prices
There is a minimum charge of £3 for each adult or child who enters the Pick Your Own area.This means that every person has to spend at least £3 on PickYourOwn fruits or they will be charged this amount when they leave.
Strawberries:£4.49/kg
Blackcurrants:£4.79/kg
Raspberries:£6.39/kg
Redcurrants:£4.79/kg
Blackberries:£5.39/kg
Plums:£2.99/kg
Find us
Parkside Farm is in the Enfield of London,north of the city centre.
For more information,please call our message line on 020 8367 2035 or check our website:www.parksidefarmpyo.co.uk.
1.What do we learn about Parkside Farm from the text?
A.It doesn’t open on Mondays. B.It sells fruit and vegetables online.
C.It’s situated in the south of London. D.It has a small Pick Your Own area.
2.If a family of three buy 1 kg of strawberries and 1 kg of plums on the farm,they should pay .
A.£6 B.£7.48 C.£9 D.£16.48
3.What is the main purpose of the text?
A.To attract visitors. B.To advise people to grow crops.
C.To tell readers how to pick fruits. D.To recommend a place for holidays.
答案 ACA