Unit 5 Working the Land Words and expressions 课(共23张PPT)件-人教版(2019)选择性必修第一册

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名称 Unit 5 Working the Land Words and expressions 课(共23张PPT)件-人教版(2019)选择性必修第一册
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版本资源 人教版(2019)
科目 英语
更新时间 2025-11-01 07:53:35

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(共23张PPT)
人教版选择性必修1 Unit 5
Words and expressions
1.devote vt.把……献(给);把……专用于;专心于
devote oneself to (doing) sth. 献身于/致力于(做)某事
They devoted themselves to doing the scientific research job.
他们把自己献身于科学研究工作。
devote one's time/energy to (doing) sth 把某人的时间/精力……用到(做)某事上
He’s devoted most of his time to his painting.
他把大部分时间都花在了作画上。
devoted adj. 忠诚的;挚爱的;全心全意的
be devoted to... 对……挚爱/忠诚/投入
devotion n. 奉献;忠诚;关爱;挚爱
2. shortage n. 不足; 缺少; 短缺
a shortage of … …的短缺,缺乏…
Vietnam is suffering from food shortage.
越南正遭受食品短缺之苦。
There is a shortage of fresh water on the island.
岛上缺少淡水。
short adj. 短的; 矮的;缺乏的; 短缺的
He is short of funds right now. 眼下他资金短缺。
shorten vt. (使)变短,缩短
Days shorten in winter.冬季白天变短。
3. tackle: vt. 解决(难题); 应付(局面); 处理
tackle the problem 处理这个问题
其他表示“处理”的单词和短语
deal with
handle vt.
There are various ways to tackle the problem.
4. boost: vt. 使增长; 使兴旺
boost sb’s confidence
增强某人的信心
boost n. 增长; 提高; 激励
The tax cuts will give a much needed boost to the economy.
减税将给经济带来迫切需要的推动力。
The government has taken action to boost the economy.
5. convince: vt. 使相信; 使确信; 说服
convince sb. of sth. 使某人相信某事
I soon convinced him of my innocence.
我很快便让他相信了我是清白的。
convince sb. to do sth. 说服某人做某事
We will try to convince her to stay.
我们要尽力说服她留下来。
convince sb. that... 使某人相信……
I tried to convince myself that the trouble was with the problem itself, not with me.
convinced adj. 坚信,深信,确信(描述人的感受)
(be) convinced of/that... 坚信……,确信……
I was convinced that I saw you there.
我坚信看见你在那里了。
I am convinced of her innocence.
我坚信她是无辜的。
convincing adj. 令人信服的(描述物的特性)
The data you have collected is not enough to be convincing.你们收集的材料说服力不足。
5. convince: vt. 使相信; 使确信; 说服
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;人物; 角色;
The need to communicate is a key characteristic of human society.
需要交流是人类社会最重要的一个特征。
She spoke with characteristic enthusiasm. 她说话带着特有的热情。
7. attain vt. (通常经过努力)获得;得到
He has attained the highest grade in his English exams.
表示“获得;得到”
acquire
achieve
knowledge
a great success
8. assumption n. 假定; 设定; (责任的)承担; 获得
make assumptions/an assumption about...
对……做假设
It was impossible to make assumptions about people's reactions.
对人们的反应作出假设是不可能的。
assume v. 以为; 假设; 获得;
assume that…
It is generally assumed that stress is caused by too much work.
[常见结构]
assume +名词,assume sb. to be ...,assume + that从句
Don’t always assume the worst.
We can’t assume the suspects to be guilty simply because they’ve decided to remain silent.
It is generally assumed that stress is caused by too much work.
assuming conj.“假设……为真,假如”,引导从句,和supposing, providing, given that用法相同。
Assuming (that) he’s still alive, how old would he be now
9. overcome vt. 克服; 解决; 战胜
overcome difficulties/bad habits 克服困难/改掉恶习
the fear 克服恐惧
obstacles 克服障碍
the enemy 战胜敌人
We didn't give up and tried to overcome the difficulty.
Molly had fought and overcome her fear of flying.
10. output n. 产量; 输出; 输出量 vt. 输出
input n. 输入;投入 vt. 输入
Output will increase by 10% next year.
产量将会增长10%。
Computers can output data more quickly now.
现在电脑可以快速输出数据。
11. estimate: vt./n. 估计; 估价; 估算
estimate sth. at... 估算;估价
Police estimate the crowd at 30,000.
警方估计聚集的人有3万。
be estimated to do sth. 被估计为……
The deal is estimated to be worth around $1.5 million.
这笔交易估计价值150万元左右。
It is estimated (that)... 据估计……
It is estimated (that) the project will last four years.
据估计,这项工程将持续四年。
an estimate of…(对数量、成本等的)估计;估价
1. We estimated the students attending the activity at 1,000.
2. My father estimate the cost to be more than
2, 000 yuan.
3. It is estimated that they will stay here for
three weeks.
估计……的数量为……
估计某事物达到……
据估计……
12. consumption n. 消耗; 消耗量; 消费
They drew up a plan to reduce fuel consumption.
consume v. 消耗; 吃; 喝
The electricity industry consumes large amounts of fossil fuels.
电力工业消耗大量的矿物燃料。
Before he died he had consumed a large quantity of alcohol.
他死亡前喝了大量的酒。
Carolyn was consumed with guilt. 卡罗琳深感内疚。
13. be comprised of 包括,包含,由…组成
1. The study 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 made up of
consist of
The United Kingdom _____________________
_________________ England, Wales, Scotland,
and Northern Ireland.
is comprised of/consists
of/is made up of
comprise vt.包括, 包含; 是(某事物的)组成部分,构成
The house comprises two bedrooms,a kitchen,and a living room.
Girl students comprise 40% of the class.
14. 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
15. 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.
16. vision n. 想象; 视力; 视野; 影像
have good/poor/normal vision
视力好/差/正常
1. The girl likes watch TV, but she has poor vision.
2. Cats have good night vision.
3. The boy has a vision of having a new football.
视力好/差
想象/设想某物