Unit 5 Words and Expressionsppt课件-(2022新)人教版高中英语选择性必修第一册.pptx

1、Unit 5Unit 51.devote vt. 把把献献(给给)；把；把专用于；专心于专用于；专心于devote.to (doing) 把把奉献给；把奉献给；把专注于专注于devote oneself to （doing) 致力于；献身于致力于；献身于devoted adj.深爱的；忠诚的深爱的；忠诚的be devoted to (doing) 专心于；致力于专心于；致力于devotion n.关爱；奉献关爱；奉献1) The bands latest album is very poor, although _ (devote) fans might enjoy it.2) Her _ (

2、devote) to the job left her with very little free time.3) _ (devote) to scientific research wholeheartedly, he spends little time with his family.4) He continued to work there for almost 50 years, _ (devote) his life to his research work.5) The scientist devoted most of his lifetime to _(observe) th

3、e behavior of the chimps.devoteddevotionDevoteddevotingobserving2. shortage n. 不足; 缺少; 短缺 a shortage of 的短缺，缺乏 short adj. 短的; 矮的;缺乏的; 短缺的岛上缺少淡水。There is a shortage of fresh water on the island.3. tackle: vt. 解决(难题); 应付(局面); 处理 tackle the problem 处理这个问题 tackle sb. about sth. 与某人交涉某事The repairman is a

4、ble to tackle any problems with his tools.There are various ways to tackle the problem. 4. boost: vt. 使增长; 使兴旺 n. 增长; 提高; 激励 boost sbs confidence 增强某人的信心The turtle uses a rocket to boost his speed.The government has taken action to boost the economy. 5. characteristic: n. 特征; 特点; 品质 adj. 典型的; 独特的 be

5、 characteristic of 具有的特征 character : n. 特性; 特点; 特色 (1) This plant has its own characteristic smell. (2) Honesty is the most important characteristic in a person. 6.convince vt.使信服；使确信；说服使信服；使确信；说服convince sb. of sth. 使某人确信使某人确信/明白某事明白某事convince sb. that. 使某人相信使某人相信convince sb. to do sth. 说服某人做某事说服某人

6、做某事convincing adj.令人信服的令人信服的convinced adj.确信的；坚信的确信的；坚信的be convinced (that)/of.(某人某人)坚信坚信1) Influenced by advertisement, its very easy for customers _ (convince) to buy what they dont want.2) This is the most _ (convince) evidence that I can find to prove my point.3) _ (convince) of the truth of the

7、 report, he told his colleagues about it .4) 我们一直在试图说服他放弃那个计划。Weve been trying_to be convincedconvincingConvincedto convince him to give up the plan7. attain vt. (通常经过努力)获得;得到 attainment n. 达到，获得达到，获得 attainable adj.可达到的，可实现的可达到的，可实现的 Jim is halfway to attaining his pilots licence. 8.assumption n.假定

8、，假设假定，假设make an assumption 作出臆断作出臆断on the assumption that. 假定假定assume v.假定；设想；承担；假装假定；设想；承担；假装assume sb/sth (to be)adj./n. 假定假定/认为某人认为某人/某事某事(为为)It is assumed that. 人们认为人们认为assuming (that). 假设假设Dont _ that you are a princess and stop living in _ any more. (assume)_ is generally assumed that stress i

9、s caused by too much work.With the rapid development of the economy, China is assuming _ greater role in the protection of the environment.We are working on the plan _ the assumption that everyone invited will turn up.assumeassumptionsItaon9. intense adj. 热切的; 十分强烈的; 激烈的 be intense about 对对热心热心 eg.

10、Hes very intense about volunteer work. intensely adv. 强烈地，激烈地强烈地，激烈地10. overcome vt. 克服; 解决; 战胜 overcome difficulties/bad habits 克服困难/改掉恶习 overcome the fear 克服恐惧 overcome the enemy 战胜敌人 We didnt give up and tried to overcome the difficulty. Molly had fought and overcome her fear of flying.We overcam

11、e many unforeseen difficulties.11. expand vt.& vi.使变大；伸展使变大；伸展expand(.)into. (把把)扩展扩展/发展成发展成expand on/upon sth. 细说细说(阐述阐述)某事某事expansion n.扩大；扩张；扩展扩大；扩张；扩展(1)The narrow path in the village expanded into a wide road.村里的狭窄小路拓宽成了一条大道。村里的狭窄小路拓宽成了一条大道。(2)A few years later，the writer his short novel a long

12、 one.几年以后，那位作家把他的短篇小说扩展成了长篇小说。几年以后，那位作家把他的短篇小说扩展成了长篇小说。(3)He did not expand greatly his statement.他未就他的声明多加解释。他未就他的声明多加解释。(4)The book is an (expand) of a series of lectures given last year.expandedintoon/uponexpansion1) The teacher expanded _ the uses of the English subjunctive mood in his last lect

13、ure.2) He hopes the trip will take place every year and expand _ neighbouring countries. 3) Over the years public library services _(expand).4) The airport _(expand) now will be stocked with the most advanced equipment.5) Given the necessary investment, this region is perfect for economic _(expand).

14、ontohave expandedbeing expandedexpansion12. output n. 产量; 输出; 输出量 vt. 输出input n. 输入; 投入 v. 输入Output will increase by 10% next year. Computers can output data more quickly now.13. estimate: vt./n. 估计; 估价; 估算He estimated the speed of the winds from the degree of damage.It is not easy to estimate how m

15、any people will come.I can give you a rough estimate of the amount of money you will need.It is hard to estimate how many students will join in the activity.14. consumption n. 消耗; 消耗量; 消费 consume v. 消耗; 吃; 饮; 喝; 烧毁They drew up a plan to reduce fuel consumption. 15. be comprised of 包括,包含,由组成 1. The s

16、tudy group is comprised of six students. 2. The committee is comprised of representatives from both the public. 包括；包含；由组成(或构成) _be comprised of 16. generate vt. 产生; 引起 They need some experts to generate new ideas. generation n. 产生，一代 the younger/older generation 年轻/年老一代17. leisure: n . 闲暇; 休闲; 空闲at

17、leisure: 闲散闲散; 悠闲悠闲; 不慌不忙不慌不忙; 从容从容at ones leisure: 有空时有空时; 空闲时空闲时; 方便时方便时The busy employee enjoys his leisure time on the weekends.18. celebrity: n. 名望; 名誉; 名人; 名流 (1) The young man worked so hard that he became a celebrity finally. (2) Although celebrity and possessions will bring you happiness, h

18、ealth is the most important one.19. reality n. become a reality 变成现实变成现实in reality 事实上事实上; 实际上实际上real adj. 真的真的; 真实的真实的really adv. 真正地真正地; realistic adj. 现实的现实的; 实事求是的实事求是的 单句语法填空单句语法填空When the _(real) was destroyed, the legend had freedom to expand. There is the point that the wealth that most peop

19、le seem to be enjoying is not theirs _ reality. 20. in turn 相应地相应地; 转而转而; 依次依次; 轮流轮流in ones turn轮到某人；接着by turns 轮流；依次take turns doing/to do. 轮流做It is ones turn to do sth. 轮到某人干某事in return 作为回报It is our responsibility to take care of our sick mother _ turns.When it was his turn _ (deliver) his speech

20、，he walked towards the platform，nervous and embarrassed.He spends too much time on maths，and this _ turn affects the progress of the other subjects.At the meeting they took turns _ (put) forward a number of suggestions aiming to promote the reform of education system.When it was _ my turn，I was too

21、excited to speak.byto deliverinto putin21. digest vt./vi. 消化; 领会; 领悟 n. 摘要; 文摘He has to avoid fat because his body cant digest it.I need some time to digest information.No liquids are served with meals because they interfere with digestion.22. essential adj. 完全必要的; 极其重要的It is essential that we (shou

22、ld) deal with the problem.我们很有必要处理这个问题。It is essential to know where the problem lies.有必要知道问题在哪里。1. Enough rest is essential to health. 2. It is essential to remember the usage of the words before using them in daily life. 3. It is essential that you (should) be back before 11. 对对来说必不可少来说必不可少做某事很重要做

23、某事很重要/很有必要很有必要做某事很重要做某事很重要/很有必要很有必要23.alternative n.可供选择的事物adj.可供替代的;非传统的24. instance n. 例子例子, 实例实例, 事例事例Most food webs, for instance, consist of many weak links rather than a few strong ones. 例如例如, 大多数食物网由许多薄弱链接组成大多数食物网由许多薄弱链接组成, 而不是几个强有力的链接。而不是几个强有力的链接。for instance例如例如in the first instance第一第一, 首先

24、首先in most instances 在大多数情况下在大多数情况下There are a number of improvements, _instance, both mouse buttons can now be used. _ _ _ most instances, there will be no need for further treatment. (2) _, we had better make sure the calculations are correct. 首先首先,我们最好保证计算是正确的。我们最好保证计算是正确的。 forInIn the first insta

25、nce25. depth n. 向下向下(或向里或向里)的距离的距离, 深深(度度)(1)in depth 完全地完全地, 深入地深入地(2)deep adj. 深的深的 adv. 深深地深深地(3)deeply adv. 深深地深深地, 强烈地强烈地(4)deepen v. (使使)变深变深, (使使)加深加深拓展拓展 in the depths of winter 在隆冬季节在隆冬季节There isnt time to dig _ (deep) and put in manure or compost. If you _ (deep) your knowledge or understa

26、nding of a subject, you will learn more about it and become more interested in it. (2) _, many things I did with my father still live. 在我记忆深处在我记忆深处, 我与父亲一起做过的很多事仍然存在。我与父亲一起做过的很多事仍然存在。(3)This subject will be covered _next term. 这个话题将在下学期深入讨论。这个话题将在下学期深入讨论。deeplydeepenIn the depths of my memoryin dept

27、h26. Given that Yuans hybrids have made him quite wealthy, one might think he would retire to a life of leisure. However, this is far from the case. 考虑到杂交水稻使袁隆平变得相当富有，人们可能认为他会退休享受闲适的生活。然而，事实远非如此。 1) given prep. 只要是；考虑到；假定；已知 given + that 从句 考虑到，鉴于，引导条件状语从句。如： Given his age, he is very strong and hea

28、lthy.Given that the students need more exercise, the head teacher has decided to add more PE classes. 2) far from the case 远非如此，也可以说far from being the case far from sth. 远远不；绝非e.g. His work is far from (being) satisfactory.他的工作一点也不令人满意。27. Deep down, Yuan is still very much a farmer at heart.事实上，袁隆平

29、在内心深处依然是一个农民。 deep down 实际上；在心底e.g. He tried to behave as an adult, but deep down he was still a child. very much 非常；确实是，在文中表示程度，起强调作用e.g. Kindness is very much a part of her character. Learning English is very much a step-by-step process.1.I found his speech (convince) and admired him for his eloqu

30、ence(能言善辩能言善辩).2.My calculations were based on the (assume) that house prices would remain steady.3. (devote) to his scientific work，he has no time to care for his family affairs，which his wife always complains about.4.He became that countrys ruler both in name and reality.5.More women are (attain)

31、positions of power in public life.convincingassumptionDevotedinattaining6. starts as fun usage of apps turns into tremendous(巨大的巨大的) pressure in real social media interaction.7.At least 500 people were killed，and thats conservative(保守的保守的) estimate.8.Our school managed to take in more students witho

32、ut (expand) the size of the schools.Whataexpanding一词汇扩充。一词汇扩充。1. _1. _ v. v. 把把献献( (给给) )；把；把专用于；专心于专用于；专心于_ adj. adj. 忠诚的忠诚的_ n. n. 献身，热爱献身，热爱2. _2. _ v. v. 使确信使确信_ adj. adj. 确信的确信的_ adj. adj. 令人令人信服的信服的3. _3. _ adj. adj. 习惯的；传统的习惯的；传统的_ n. n. 惯例；常规；惯例；常规；习俗习俗4. _4. _ v. v. 假定；假设假定；假设_ n. n. 假定；假设假

33、定；假设5. _ v. 5. _ v. 扩张，扩大；展开；膨胀扩张，扩大；展开；膨胀_ n. _ n. 扩大，扩充；扩大，扩充；发展，膨胀发展，膨胀6. _ vt. 6. _ vt. 估计；估价；估算估计；估价；估算_ n. _ n. 估算；看法估算；看法7. _ n. 7. _ n. 消费消费_ v. _ v. 消费消费_ n. _ n. 消费者消费者8. _ n. 8. _ n. 现实；实际情况；事实现实；实际情况；事实_ adj. _ adj. 真实的真实的_ ad_ adv v. . 真实地真实地devote devoted devotion convince convinced co

34、nvincing conventional convention assume assumption expand expansion estimate estimation consumption consume consumer reality real really 9. _ adj. 含盐的；咸的_ n. 盐10. _ n. 营养；滋养_ adj. 有营养的；营养丰富的_ adj. 营养(物)的11. _ vt. 消化；领会_ n. 消化；领悟12. _ n. 向下(或向里)的距离；深(度)_ adj. 深的_ adv. 非常；深刻地；强烈地_ v. 变深；加强，变强烈13. _ adj. 整个的；完全的；全部的_ adv. 完全地；全然地；完整地salty salt nutrition nutritious nutritional digest digestion depth deep entire entirely deeply deepen Thank you