人教版（2019）选择性必修第一册：Unit 5 Working the Land Words and Expressions课件（39张ppt）

(共39张PPT)
Unit 5
Words and Expressions
1.devote vt. 把……献(给)；把……专用于；专心于
devote...to (doing) 把……奉献给；把……专注于
devote oneself to （doing) 致力于；献身于
devoted adj.深爱的；忠诚的
be devoted to (doing) 专心于；致力于
devotion n.关爱；奉献
1) The band's latest album is very poor, although _______ (devote) fans might enjoy it.
2) Her _________ (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) the behavior of the chimps.
devoted
devotion
Devoted
devoting
observing
2. 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 able to tackle any problems with his tools.
修理工能用他的工具解决任何问题。
4. boost: vt. 使增长; 使兴旺 n. 增长; 提高; 激励
boost one’s confidence
增强某人的信心
The turtle uses a rocket to boost his speed.
海龟用火箭提高它的速度。
5.convince vt.使信服；使确信；说服
convince sb. of sth. 使某人确信/明白某事
convince sb. that... 使某人相信……
convince sb. to do sth. 说服某人做某事
convincing adj.令人信服的
convinced adj.确信的；坚信的
be convinced (that)/of...(某人)坚信……
1) Influenced by advertisement, it's very easy for customers _______________ (convince) to buy what they don't want.
2) This is the most ____________ (convince) evidence that I can find to prove my point.
3) ____________ (convince) of the truth of the report, he told his colleagues about it .
4) 我们一直在试图说服他放弃那个计划。
We've been trying__________________________________．
to be convinced
convincing
Convinced
to convince him to give up the plan
6. characteristic: n. 特征; 特点; 品质
adj. 典型的; 独特的
be characteristic of … 具有…的特征
character : n. 特性; 特点; 特色
(1) This plant has its own characteristic smell.
这种植物有它自己独特的气味。
(2) Honesty is the most important characteristic in/of a person.
诚实是一个人最重要的品质。
7. attain vt. (通常经过努力)获得;得到
attainment n. 达到，获得
attainable adj.可达到的，可实现的
8.assumption n.假定，假设
make an assumption 作出臆断
on the assumption that... 假定……
assume v.假定；设想；承担；假装
assume sb/sth (to be)＋adj./n. 假定/认为某人/某事(为)……
It is assumed that... 人们认为……
assuming (that)... 假设……
①Don't ________ that you are a princess and stop living in ________________ any more. (assume)
②________ is generally assumed that stress is caused by too much work.
③With the rapid development of the economy, China is assuming __ greater role in the protection of the environment.
④We are working on the plan ________ the assumption that everyone invited will turn up.
assume　
assumptions　
It　
a　
on
9. intense adj. 热切的; 十分强烈的; 激烈的
be intense about 对…热心
eg. He's very intense about volunteer work.
intensely adv. 强烈地，激烈地
10. overcome vt. 克服; 解决; 战胜
over difficulties/bad habits 克服困难/改掉恶习
over the fear 克服恐惧
over obstacles 克服障碍
over the enemy 战胜敌人
We didn't give up and tried to overcome the difficulty.
我们没有放弃，且在努力克服困难。
Molly have overcome her fear of flying.
莫莉已经克服了对飞行的恐惧。
11. expand vt.& vi.使变大；伸展
expand...into... 把……扩展/发展成……
expand into... 发展成/扩大成……
expand on/upon sth. 细说(阐述)某事
expansion n.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。
(2)A few years later，the writer his short novel a long one.
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。
(4)The book is an (expand) of a series of lectures given last year.
expanded
into
on/upon
expansion
1) The teacher expanded _______ the uses of the English subjunctive mood in his last lecture.
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).
on
to
have expanded
being expanded
expansion
12. 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
It is not easy to estimate how many people will come.
要估计有多少人会来并不容易。
It is hard to estimate how many students will join in the activity.
很难估计有多少学生会参加这项活动。
14. consumption n. 消耗; 消耗量; 消费
consume v. 消耗; 吃; 饮; 喝; 烧毁
15. be comprised of 包括,包含,由…组成
1. The study group is comprised of six students.
学习小组由六名学生组成。
2. The committee is comprised of representatives
from both the public.
委员会由来自社会各界的代表。
16. generate vt. 产生; 引起
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 leisure: 闲散; 悠闲; 不慌不忙; 从容
at one’s leisure: 有空时; 空闲时; 方便时
The busy employee enjoys his leisure time on the weekends.
这个忙碌的雇员在周末享受他的休闲时间。
18. celebrity: n. 名望; 名誉; 名人; 名流
celebrate: v. 庆祝; 庆贺; 歌颂
(1) The young man worked so hard that he became a celebrity finally.
(2) Although celebrity and possessions will bring you happiness, health is the most important one.
19. reality n. 现实; 实际情况; 事实
become a reality 　　　　 变成现实
in reality 事实上; 实际上
real adj. 真的; 真实的→really adv. 真正地;
realistic adj. 现实的; 实事求是的
单句语法填空
①When the ______(real) was destroyed, the rumor had freedom to expand.
② His plans were transformed overnight ____ reality.
③There is the point that the wealth that most people seem to be enjoying is not theirs ____ reality.
reality
into
in
20. in turn 相应地; 转而; 依次; 轮流
in one's turn　　　轮到某人；接着
by turns 轮流；依次
take turns doing/to do... 轮流做……
It is one's turn to do sth. 轮到某人干某事
in return 作为回报，反过来
①It is our responsibility to take care of our sick mother ________ turns.
②When it was his turn ____________ (deliver) his speech，he walked towards the platform，nervous and embarrassed.
③He spends too much time on maths，and this ________ turn affects the progress of the other subjects.
④At the meeting they took turns ________ (put) forward a number of suggestions aiming to promote the reform of education system.
⑤When it was ________ my turn，I was too excited to speak.
by　
to deliver
in　
to put
in
21. digest vt./vi. 消化; 领会; 领悟 n. 摘要; 文摘
He has to avoid fat because his body can’t digest it.
他必须避免脂肪，因为他的身体不能消化它。
I need some time to digest information.
我需要点时间来消化信息。
22. essential adj. 完全必要的; 极其重要的
It is essential that we (should) 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……来说必不可少
做某事很重要/很有必要
做某事很重要/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, 实例, 事例
Most food webs, for instance, consist of many weak links rather than a few strong ones.
例如, 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。
for instance 例如
in the first instance 第一, 首先
in most instances 在大多数情况下
①There are a number of improvements, _____instance, both mouse buttons can now be used.
②____ most instances, there will be no need for further treatment.
(2) _________________, we had better make sure the calculations are correct.
首先,我们最好保证计算是正确的。
for
In
In the first instance
25. depth n. 向下(或向里)的距离, 深(度)
(1)in depth 　　 完全地, 深入地
(2)deep adj. 深的 adv. 深深地
(3)deeply adv. 深深地, 强烈地
(4)deepen v. (使)变深, (使)加深
①There isn’t time to dig ______ (deep) and put in manure or compost.
②If you _______ (deep) your knowledge or understanding 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, 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。
deeply
deepen
In the depths of my memory
in depth
Thank you
1.I found his speech (convince) and admired him for his eloquence(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 country’s ruler both in name and reality.
5.More women are (attain) positions of power in public life.
convincing
assumption
Devoted
in
attaining
6. starts as fun usage of apps turns into tremendous(巨大的) pressure in real social media interaction.
7.At least 500 people were killed，and that’s conservative(保守的) estimate.
8.Our school managed to take in more students without
(expand) the size of the schools.
What
a
expanding