高中英語選擇性必修二 Unit 5 教學知識細解碼

1、 9/91radiate vt.發(fā)射出(光、熱等) radiation n輻射；放射線2metre n米millimetre n. 毫米；千分之一米3minor adj.較小的；次要的；輕微的minority n少數(shù)；少數(shù)民族4urgent adj.緊急的；急迫的；急切的urgency n緊迫；急迫；急事5loose adj.松的；未系緊的；寬松的loosely adv.松弛地；零散地1acid n酸 adj.酸的；酸性的；尖刻的Everyone doesnt like to hear the acid remarks.尖刻的This chemical acts as a part of an

2、 acid in our experiment.酸Cars cause pollution，both smog and acid rain.酸的；酸性的2minor adj.較小的；次要的；輕微的 n未成年人；輔修科目He had three minors this semester.輔修科目This is a very minor operation and there is very little risk involved.較小的The law forbids shops to sell alcohol to minors.未成年人Words And Phraseseq avs4al(知

3、識要點1)technique n技能；技術；技藝(教材P50)What firstaid techniques do you know of? 你知道哪些急救技巧？例1The new technique works better than the one it has replaced.這項新技術比之前的效果要好。例2She needs to work on her interview technique if shes going to get a job.如果她想找到工作，就需要在面試技巧上下功夫。翻譯處理那類問題他有特殊技巧。He has a special technique for

4、dealing with problems of that sort.知識拓展have a technique for有的技術technique in 方面的技術即學即練單句語法填空They learn basic techniques in selfdefence.Dick Fosbury had a new technique for doing the high jump.eq avs4al(知識要點2)sense of touch觸覺(教材P50)It also helps control your body temperature，prevents your body from lo

5、sing too much water，warns you when things are too hot or cold，and gives you your sense of touch.你的皮膚是抵御疾病、毒素和陽光的屏障。它還有助于控制體溫，防止身體失去太多的水分，當東西太熱或太冷時，給你警告，并使你有觸覺。例1His sense of touch gradually took the place of sight. 他的觸覺逐步代替了視覺。例2Newly developed robots have a sense of touch and are able to see and ma

6、ke decisions. 新開發(fā)的機器人有觸覺，可以看見物體，還能做決定。翻譯他們非常相信自己的觸覺。They trusted their own sense of touch very much.知識拓展sense of responsibility/duty責任感，責任心 sense of humor 幽默感，幽默 sense of belonging 歸宿感，歸屬感 sense of smell 嗅覺 sense of beauty 美感；審美感 sense of direction 方向感即學即練完成句子Good chef must have a good sense of smel

7、l. 好廚師必須有好嗅覺。He had a poor sense of direction and soon got lost. 他方向感很差，一會兒就迷路了。He is distinguished for his sense of humor他以其幽默感著稱。eq avs4al(知識要點3)minor adj.較小的；次要的；輕微的(教材P50)Examples include mild sunburn and burns caused by other minor household incidents.例如輕微的曬傷和其他輕微的家庭事故造成的灼傷。例1Thats a relatively

8、 minor matter.We can leave it till later.相對來說那是件小事。我們可以把它留到以后解決。例2Even minor head injuries can cause longlasting psychological effects. 即使是輕微的頭部創(chuàng)傷也會對心理產(chǎn)生長期影響。翻譯就是小問題才會累積。Its the little minor problems that add up.知識拓展(1)a minor matter小事a minor party 少數(shù)黨(2)minority nU，C少數(shù)民族；少數(shù)a/the minority of 少數(shù)的be i

9、n the/a minority 占少數(shù)即學即練單句語法填空This is a minor matter，but I actually think it is my life biggest pain.It is reported that women are in the minority at the meeting.Its clear that only a minority of people support these new laws.eq avs4al(知識要點4)loose adj.松的；未系緊的；寬松的(教材P51)Cover the burnt area with a lo

10、ose clean cloth.用一塊寬松的干凈布覆蓋燒傷區(qū)域。例1She is wearing a loose dress.她穿著一件寬松的連衣裙。例2His logic is too loose to make much sense.他的推理太不嚴密，沒什么道理。翻譯馬自由自在地在田野里。The horse is loose in the field.知識拓展at a loose end無所事事；無事可做break loose from 擺脫，掙脫have (got) a loose tongue 說話沒遮攔on the loose 在逃；不受約束即學即練單句語法填空Im at a bit

11、 of a loose end this afternoon.Do you fancy a game of tennis? Be careful what you tell Samshes got a very loose tongue，you know.There are ten prisoners on the loose.eq avs4al(知識要點5)urgent adj.緊急的；急迫的；急切的(教材P51)If the victim is suffering from second or thirddegree burns，there is an urgent need to tak

12、e him/her to the hospital at once.如果受害者屬于二度或三度燒傷，就需要立即送他/她去醫(yī)院。例1Can you come to the phoneit sounds urgent.你能來接個電話嗎聽起來挺緊急的。例2Dont forget that one，its rather urgent.別把那事忘了，情況相當緊急。翻譯現(xiàn)在她需要緊急治療。She needs urgent treatment now.知識拓展(1)an urgent problem急迫的問題be urgent for sb. to do sth.急切地催促某人做某事It is most ur

13、gent that. 很緊急(2)urgently adv.緊急地，急迫地即學即練單句語法填空“Do you see it？” he demanded urgently(urgent)It is most urgent that the patient should get to hospital.She was urgent for the doctor to come(come)eq avs4al(知識要點6)ease vt.減輕；緩解 vi.& vt.使容易；使順利 n容易；舒適；自在(教材P51)Putting butter or oil on burns helps because

14、it may reduce swelling and ease discomfort.在燒傷的地方涂上黃油或油會有幫助，因為它可以減少腫脹和緩解不適。例1A smile is a sign that you are happy，which helps put people at ease.微笑表示你感到高興，它能使人感到自在。例2My parents are retired and now live a life of ease.我的父母都退休了，現(xiàn)在過著安逸舒適的生活。翻譯醫(yī)生給了他一些止痛藥來減輕他的痛苦。The doctor gave him some painkillers to ea

15、se the pain.知識拓展(1)take ones ease使某人放松一下at ease 舒適；快活；自由自在put sb. at ease 使某人感到輕松自在； 使某人安心feel/look at ease 感到/看上去心情放松with ease 容易地；毫不費勁地(2)ease sb. of sth. 減輕某人的(痛苦、負擔等)即學即練單句語法填空/完成句子He handed her a cup of coffee to put her at ease.I dont feel at ease in the strange place.在這個陌生的地方，我覺得很不自在。This med

16、icine will ease you of your pain這種藥會緩解你的痛苦。Now he can set his mind at ease because he has passed the examination with ease現(xiàn)在他可以放心了，因為他已經(jīng)輕松地通過了考試。Sentence Patternseq avs4al(重點句式1)as引導非限制性定語從句(教材P50)As you can imagine，getting burnt can lead to very serious injuries. 正如你想象的那樣，燒傷會導致非常嚴重的傷害。句式分析：句中As you

17、 can imagine 是關系代詞as引導的非限制性定語從句，as指代整個主句的內容，作imagine的賓語。例1As you can imagine，running out of memory is a bad thing.正如您可以想象的，內存耗盡是一件很糟糕的事情。例2As you know，if you do the same thing over and over again，you begin to do it automatically.正如你所知道的，如果你反復做同一件事，你就會不自覺地做它。翻譯眾所周知，中國是世界上人口最多的國家。As is known to all，Ch

18、ina is a country with the largest population in the world.知識拓展(1)as引導非限制性定語從句時，指代整個主句的內容，置于主句的前、中、后均可，意為“正如”。(2)as在非限制性定語從句中作主語時，通?？捎胕t作形式主語，后接that引導的主語從句或用what引導的主語從句來轉換。(3)引導限制性定語從句。這時，其先行詞的前面通常有such，the same 修飾，構成the same.as，such.as結構。即學即練單句語法填空/一句多譯This man，as you know，is good for nothing.He bor

19、rowed the same book as the one I am reading.Einstein，as is well known，is a famous scientist.It is well known that Einstein is a famous scientist.What is well known is that Einstein is a famous scientist.眾所周知，愛因斯坦是位著名的科學家。eq avs4al(重點句式2)if.省略句結構(教材P51)Remove any clothes using scissors if necessary，u

20、nless you see the fabric sticking to the burnt skin.如果有必要的話，用剪刀剪掉衣服，除非你看到布料粘在燒焦的皮膚上。句式分析：句中if necessary為if it is necessary的省略結構。例1If necessary the patient can then visit his doctor for further advice. 如有必要，病人可以上門咨詢自己的醫(yī)生以得到更多的建議。例2The article could be spun out to 6，000 words if necessary. 如果需要的話，這篇文章

21、可以加長到六千字。翻譯如果需要，打個電話給我。If necessary，give me a ring.知識拓展if possible如果可能的話if so 假如這樣的話if not 假如不是這樣的話；不然的話；否則if ever 即使有即學即練完成句子I might see you tomorrow.If not，then itll be Saturday.我可能明天去看你。如果不是明天，那就是周六。If possible，I wish to go there next summer.如果可能，我希望明年夏天去那里。They think she may try to phone.If so，s

22、omeone must stay here.他們認為她可能來電話。要是這樣的話，就得有人守在這兒。He seldom，if ever，goes to the movies by himself.他不會，即使有也很少，單獨去看電影的。1It also helps control your body temperature，prevents your body from losing too much water，warns you when things are too hot or cold，and gives you your sense of touch.分析 句中and連接表示順承關系的

23、四個并列謂語，其中when things are too hot or cold為when引導的時間狀語從句。 譯文 它還有助于控制體溫，防止身體失去太多的水分，當東西太熱或太冷時，給你警告，并使你有觸覺。2Applying oil to the injured areas is a bad idea，as it will keep the heat in the wounds and may cause infection.分析 句中Applying oil to the injured areas為動名詞短語作主語，謂語為第三人稱單數(shù)，as引導的是一個原因狀語從句。譯文 在燒傷的地方涂油是

24、不明智的，因為它會使里面的熱散不出去，并可能導致感染。 教材高考1.Your skin acts as a barrier against disease，toxins，and the suns rays.(2019全國卷)While the suns rays can age and harm our skin，they also give us beneficial Vitamin D.2.If the victim is suffering from second or thirddegree burns，there is an urgent need to take him/her t

25、o the hospital at once.(2019天津卷)By signaling the urgent need for taking preventive action.3.What firstaid techniques do you know of？(2019天津卷)I dont have to write down what happened or what technique the author was using when he or she wrote this.4.If burns are on the face，make sure the victim can st

26、ill breathe.(2019北京卷)Taking advantage of the new technologies，scammers can aim at victims precisely.單句語法填空1How do the two techniques(technique) compare in terms of application?2Red Cross officials said they urgently(urgent) needed bread and water.3The murderer escaped from prison last year and is st

27、ill on the loose.4Rescue workers are digging through the rubble in search of other victims(victim)5And they are still rising by about 5 millimetres (millimetre) a year.6Her hair started falling out as a result of radiation (radiate) treatment.7The evidence suggests that our sense of touch is program

28、med to diminish with age.8The eye is one of the most delicate organs (organ) of the body.9It will be sunny this afternoon.If so，we will go swimming.10As we all know，England is an island among the Atlantic Ocean.短語填空sense of touch；have a technique for；at a loose end；an urgent problem；if necessary1I c

29、ould come earlier tomorrow，if necessary2Adolescents are most likely to get into trouble when theyre at a loose end3He has a technique for improving the speed of the train.4A pianist or a violinist must have a delicate sense of touch5How to improve the students Chinese writing abilities remains an urgent problem to solve for the inland minority national middle schools.課文語法填空The skin is an essential