Unit 5 Reading and thinking Language points (ppt课件)-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、1.It 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.它还有助于控制它还有助于控制你的体温，防止你的身体你的体温，防止你的身体失去失去过多过多水分，水分，当东西太热或太冷时可以警示你，并使你拥有当东西太热或太冷时可以警示你，并使你拥有触觉。触觉。句子结构分析：句子结构分析：1)本句是一个复合句，句中本句是一个复合句，

2、句中helps,prevents,warns 和和gives是是and连接的四个连接的四个并列谓语并列谓语。2)when things are too hot or cold 是是when引导的引导的时间状语时间状语从句从句，修饰动词，修饰动词warns。prevent(from)doing 阻止阻止做做e.g.All kinds of measures have been taken to prevent the virus from spreading.keep from doing sth.stop (from)doing sth.protect from/against 保护保护免受免

3、受阻止阻止做某事做某事注意注意：keep from doing sth.中的中的from不能省略不能省略，因为，因为如果如果省略，意思会发生省略，意思会发生变化：变化：keep doing sth.使使一一直做某事。直做某事。【语境应用语境应用】完成句子。完成句子。1)There is no denying that sunglasses can help _(以以保护保护眼眼睛免受伤害睛免受伤害).2)Anyhow,children should be _ _(阻止孩子们阻止孩子们玩火玩火).prevent/stop your eyes being harmed prevented/kept

4、/stopped from playing with fire2.As you can imagine,getting burnt can lead to very serious injuries.正如你所能想象的，烧伤会导致非常正如你所能想象的，烧伤会导致非常严重的严重的伤害。伤害。e.g.We often observed the germs in the lab under the microscope,as I remember.As we all know,he is a hard-working man.as引导的非限制性定语从句。引导的非限制性定语从句。动名词短语在句中作主语。

5、动名词短语在句中作主语。3.a(wide/great/large)variety of 各种各样的各种各样的 a variety of=varieties of+名词复数名词复数+复数谓语动词复数谓语动词 the variety of+名词复数名词复数+单数单数谓语动词谓语动词 e.g.The variety of creatures is one of mans greatest wealth.【链接链接】variety n.种类种类,品种品种;变化变化,多样化多样化,多变性多变性 various adj.各种各样的各种各样的 vary v.变化变化;使多样化使多样化 vary from t

6、o 因因而异而异 vary in.在在方面方面不同不同 vary with 随着随着而变化而变化【语境应用语境应用】根据汉语意思补全下面句子（每空一词）。根据汉语意思补全下面句子（每空一词）。1)这些花的颜色和大小都不相同，但它们都很漂亮。这些花的颜色和大小都不相同，但它们都很漂亮。The flowers _ _ _ _ _ but all of them are beautiful.2)这家宾馆每个房间的费用由这家宾馆每个房间的费用由20美元到美元到30美元不等。美元不等。The charge for a room in this hotel _ _$20 _$30.3)一般来说一般来说，水

7、果和蔬菜的价格随季节变化而变化。，水果和蔬菜的价格随季节变化而变化。Generally speaking,prices of fruit and vegetables _ _ _ _.vary with the season vary in colour and sizevaries fromto4.Remove any clothes using scissors if necessary,unless you see the fabric sticking to the burnt skin.除非你看见织物粘在烧伤皮肤上，除非你看见织物粘在烧伤皮肤上，否则都否则都要把它脱掉（必要要把它脱掉

8、（必要时可用剪刀帮助）。时可用剪刀帮助）。句子结构分析：句子结构分析：1)本句为主从复合句，本句为主从复合句，unless引导条件状语从句。引导条件状语从句。2)if necessary可看作状语从句可看作状语从句if(it is)necessary 的省略。的省略。现在分词短语作方式状语。现在分词短语作方式状语。stick to 粘住粘住；坚持；坚持stick to ones dream/word 坚持坚持梦想梦想/履行诺言履行诺言e.g.Ive made my decision and Im going to stick to it.【拓展拓展】stick out 伸出伸出;突出突出;忍受

9、下去忍受下去 stick with 与与待在一起待在一起;紧跟紧跟 stick by 坚持坚持;忠于忠于;信守信守 get/be stuck in 陷入陷入中，困在中，困在中中 be stuck on 迷恋上迷恋上【语境应用语境应用】完成句子。完成句子。1)I _(被一道被一道数学数学题难住了题难住了),but it didnt depress me.2)We should _(坚持我们的梦坚持我们的梦想想)in any case.3)She made a face and _(伸出她的伸出她的舌头舌头)at him.got stuck in a math problem stick to o

10、ur dreamstuck out her tongue 5.Cover the burnt area with a loose clean cloth.用松软干净的布覆盖住烧伤用松软干净的布覆盖住烧伤部位。部位。loose adj.not tied up 松松的；未系的；未系紧的紧的(of clothes)not fitting closely to the body 宽松宽松的的 have a loose tongue 多嘴，多嘴，饶舌饶舌 let loose 喊出喊出;放开放开;随心所欲随心所欲【链接链接】loosely adv.宽松地；松散地宽松地；松散地 loosen vt.(使使)

11、变变松；松开，解开松；松开，解开；(使使)松散松散 loosen ones tongue 使使无拘无束地说话无拘无束地说话 loosen(sb./sth.)up (使使)放松放松【语境应用语境应用】完成句子。完成句子。1)一瓶酒下肚，老人的话匣子打开了。一瓶酒下肚，老人的话匣子打开了。A bottle of wine had _.2)农民们正在利用闲暇时间来松土。农民们正在利用闲暇时间来松土。Farmers are making use of their spare time to _.3)她她的头发披散在肩上的头发披散在肩上。Her hair _ around her shoulders.l

12、oosen the soilloosened the old mans tonguefell loose 6.Applying oil to the injured areas is a bad idea,as it will keep the heat in the wounds and may cause infection.在受伤的地方涂油不是一个好在受伤的地方涂油不是一个好主意，因为它会阻止伤口主意，因为它会阻止伤口散热，并可能导致感染。散热，并可能导致感染。句子结构分析：句子结构分析：1)本句是一个复合句，主句是本句是一个复合句，主句是主系表主系表结构；结构；2)Applying o

13、il to the injured areas 是是v.-ing短语作主语短语作主语；3)as it will keep the heat 是是as引导的原因状语从句引导的原因状语从句。apply to 把把涂涂在在;把把应用到应用到e.g.Before going out,apply the sun cream to your face and neck.We should apply theory to practice;otherwise,it is no use.【拓展拓展】apply(to sb.)for (向某人向某人)申请申请 application n.申请；应用申请；应用 a

14、pplicant n.申请人申请人【语境应用语境应用】翻译下面句子。翻译下面句子。1)I want to apply for the job._2)A nurse is applying some medicine to his wound._3)What I have said applies only to some of you._我想申请这份工作。我想申请这份工作。有个护士正在给他的伤口敷药。有个护士正在给他的伤口敷药。我所说的只适用于你们当中的一部分人。我所说的只适用于你们当中的一部分人。4)The results of this research can be applied to

15、 new developments in technology._这项研究成果能应用于新的技术开发方面。这项研究成果能应用于新的技术开发方面。7.there is an urgent need to take him/her to the hospital at once.就需要立即紧急送他就需要立即紧急送他/她去医院。她去医院。1)there is a need to do sth.有有必要做某必要做某事，其中事，其中不定式不定式to take 作作need的后置定语。的后置定语。否定结构：否定结构：There is no need(for)sb.to do sth.e.g.There is

16、 no need to get angry.I merely suggest that you should do that again.【拓展拓展】There is(no)possibility/chance to do sth.有有(没有没有)的可能性的可能性/机会机会 There is no doubt that 毫无疑问毫无疑问 There is no difficulty in doing sth.做某事没困难做某事没困难 There is no point/sense in doing sth.做做某事没意义某事没意义/没没道理道理1)_ tell me your answer n

17、ow.Give it some thought and then let me know.不必现在告诉我你的答案。想一想不必现在告诉我你的答案。想一想,然后再然后再告诉我。告诉我。2)_ for more teachers to work in the remote mountainous areas.急需更多的老师到那些偏远的山区工作。急需更多的老师到那些偏远的山区工作。【语境应用语境应用】完成句子。完成句子。There is no need toThere is an immediate need3)_ in beating around the bush.Lets come straig

18、ht to the point.旁敲侧击没有什么意义了旁敲侧击没有什么意义了,我们就我们就直截了当进入直截了当进入主题吧。主题吧。4)_ those who work hard will succeed sooner or later.毫无疑问毫无疑问,那些努力拼搏的人迟早会取得那些努力拼搏的人迟早会取得成功。成功。There is no doubt thatThere is no pointurgent adj.very important and needing to be dealt with immediately 紧急的紧急的;急迫的急迫的;急切的急切的【链接链接】urge vt.催

19、促；极力主张催促；极力主张 urge sb.to do sth./into doing sth.力劝某人做某事力劝某人做某事 urge that+从句从句 强烈要求强烈要求 从句从句(should)动词原形动词原形 urgency n.紧急；紧急情况紧急；紧急情况 urgently adv.迫切地，紧急地迫切地，紧急地【语境应用语境应用】完成句子。完成句子。1)震区震区的人们急需食品、药品和住的地方。的人们急需食品、药品和住的地方。The people in the earthquake-stricken area are _ food,medicine and shelters.2)随着随着

20、期末考试来临，老师敦促我们努力学习。期末考试来临，老师敦促我们努力学习。Our teacher _ with the final exam drawing near.3)学生们学生们极力主张图书馆周末也应开放。极力主张图书馆周末也应开放。It is strongly urged by students that the library(should)be kept open during the weekend.in urgent need ofurges us to study hard8.Putting butter or oil on burns helps because it may

21、 reduce swelling and ease discomfort.在在烧伤处涂上黄油或油会有帮助，因为烧伤处涂上黄油或油会有帮助，因为它可以它可以减少肿胀和减减少肿胀和减轻不适轻不适。(急救急救错误错误做法做法)ease v.to become or to make sth.less unpleasant,painful,severe,etc (使使)宽慰宽慰;减轻减轻;缓解缓解 e.g.The plan should ease traffic congestion in the town.v.to move,or to move sb./sth.,slowly and careful

22、ly (使使)小心小心缓缓地缓缓地移动移动e.g.They eased the piano through the door.v.to make sth.easier 使使容易些容易些e.g.Ill help if it will ease your job.n.lack of difficulty 容易容易;轻易轻易 e.g.Thats not difficult.I could do it with ease.n.the state of feeling relaxed or comfortable without worries,problems or pain 舒适舒适;安逸安逸e.g

23、.We put Mary at ease during the thunderstorm by reading her stories.【归纳归纳】ease off 减轻减轻;放松放松 at ease 舒适舒适,不拘束不拘束,自由自在自由自在 put sb.at ease 使使某人某人放松放松,舒适舒适,自在自在 with ease 轻易地轻易地,毫不毫不费劲费劲地地【语境应用语境应用】翻译下面句子。翻译下面句子。1)He was very smart and passed the exam with ease._ 2)I gave him some medicine to ease the pain._ 3)He tried his best to appear at ease._ 他很聪明，轻而易举地就通过了考试。他很聪明，轻而易举地就通过了考试。我给了他一些药来缓解疼痛我给了他一些药来缓解疼痛。他尽全力让自己显得自在。他尽全力让自己显得自在。