人教版（2019）必修第一册：Welcome unit重点词汇讲解课件（35张ppt）
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| 名称 | 人教版（2019）必修第一册：Welcome unit重点词汇讲解课件（35张ppt） |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2021-12-25 20:43:54 | ||
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(共35张PPT)
高一英语重点词汇讲解
Welcome Unit
an exchange student 一位交换生
in exchange (for)作为交换（作为交换…）
exchange ideas/opinions/views/words交流思想/观点
exchange A for B 把A兑换成B
得知你下学期将作为一名交换生来我们学校我非常高兴。
I'm happy to learn that you will come to our school next term as an exchange student.
1.exchange n.交换;vt.交换;交流，交易;兑换
当我们去美国的时候，我们必须把人民币换成美元。
When we go to America, we have to exchange RMB for dollars.
在做决定之前，他和父母交换了意见。
Before making a decision, he exchanged ideas with his parents.
补充：
ex-在英语中可作为单词的前缀,意为out或out of，即表示“向外”、“分离”“出”的倾向
export（出口，输出）exclude排外
expose暴露 explore探索 explode爆炸 extend延伸 expand扩大
英语单词通常可分为三部分：词根， 前缀， 后缀。
前缀改变单词的意义，后缀改变单词的词性。
2. lecture/ lekt (r)/ n. 讲座；讲课；教训 vi.(开)讲座；讲课 vt. 训斥
give/deliver a lecture 做讲座，作报告
作为一个资深的学者，李老师将会做关于中国传统文化的报告，比如中国汉字的历史，中国油画以及中国的唐诗。
As a learned scholar, Mr. Li will deliver a lecture about traditional Chinese culture, such as the history of Chinese characters, paintings and Tang poetry.
3.register vt.& vi. 登记,注册,报名，挂号
n. registration
explore-exploration探索
concentrate-conentration专注
Organis/ze-organis/zation组织
-tion在英语中通常表示名词的后缀，表示一种行为，过程，状态，性质等，类似的后缀还有-sion, -ion等
如果你对我们的项目感兴趣请到我们学校网站去报名。
If you are interested in our project, please register on our school's website.
4.nation n.国家，民族，国民
national adj.国家的，民族的，国民的
近义词：country-state-nation
nationality n.国籍
international adj.国际间
5.design vt. 设计；构思；打…的图样(或草图)，草拟，画草图；绘制(图案、图样)；计划；筹划 n.设计，设计方案
be designed for=be intended for专为....而设计
be designed to do= aim to do旨在…
by design故意地，蓄意地=on purpose
这本词典是为初学者编的。
The dictionary is designed for beginners.
设计师为该工程设计了一套新的施工方案。
The designer designed a new plan for the project.
这个项目旨在帮助有需要的学生。
This project is/was designed to help the students in need.
6.campus / k mp s / n. 校园; 校区
on campus 在校园里
为了丰富校园文化和生活，我们学校上周六举办了一场历史剧表演。
In order to enrich the campus culture and life, our school held a history show last Saturday.
7.formal正式的 a formal meeting正式会晤
informal非正式的 an informal meeting非正式会谈
-al 在英语中即可表示形容词的后缀也可表示名词的后缀如：
（1）表形容词，“…的” personal 个人的（person人）
exceptional 例外的（exception例外）regional 地区性的（region地区）
（2）表名词后缀，“人，物，状态”arrive-arrival到达
survive-survival幸存， refuse-refusal拒绝， revive-revival复苏
8.anxious / k s / adj.焦虑的; 不安的
adv.焦虑地 anxiously
n.焦虑 anxiety
be anxious about=be worried about担心
be anxious to do=be eager to do渴望做某事
be anxious for sth=be eager for sth.想要
be anxious that=be worried that担心
高兴收到你的来信，信中说你对高中生活感到焦虑，因为你渴望上一个好的大学但不知道如何努力。
I'm glad to hear from you that you are anxious about high school life because you are eager to go to a good college but don't know how to work hard.
我很担心即将到来的考试，以至于晚上很难入睡。
I am so anxious about the coming exam that I can hardly fall asleep at night.
9. annoyed / n d/ adj.恼怒的；生气的
annoy / n / vt. 使恼怒；打扰
annoying adj.令人烦恼的
annoyance=anger n.生气
be annoyed with sb对某人生气
be annoyed at/about sth.因…而生气
It annoys/annoyed sb that….让某人生气的是….
最使我恼怒的就是他嘲笑我的错误.
It annoyed me that he laughed at my mistake.
What annoyed me most was that he laughed at my mistake.
我们应该保持头脑冷静，换位思考，而不是恼羞成怒。
We should keep a cool head and put ourselves in others' shoes rather than get annoyed.
我的朋友说话时满嘴食物，这使我很生气。虽然我对他令人讨厌的习惯很生气，但他却无法改变。
It annoyed me that my friend was speaking with his mouth full. Although I was annoyed with him about his annoying habit，he couldn't get rid of it.
10.frightened / fra tnd/ adj. 惊吓的；害怕的
frighten vt.使害怕；使惊吓；使惊恐；吓走
frightening人恐惧的
be frightened by/at/of对…害怕
看到那只凶猛的熊，他如此害怕以至于呆在那里一动不动。
At the sight of the fierce bear, so frightened was he that he stood rooted to the spot.
在如此可怕的情况下，没有人可以求助，她感到非常无助。With no one to turn to in such a frightening situation, she felt very helpless.
11.impress vt.使铭记；给…留下深刻印象；压（印）；在…上盖印
impression n.印象;感想;痕迹
impressive adj.给人深刻印象的；令人赞叹的；令人敬畏的
be impressed with/by sth.被...所感动/印象深刻/吸引
make/leave a/an.... impression on sb.给某人留下...的印象
杭州的确是个令人难忘的地方。著名的西湖总是给游客留下深刻的印象。我第一次见到它时，就对它的美印象深刻。
Hangzhou is really an impressive place. The famous West Lake always leaves a deep impression on the tourists. When I first saw it, I was deeply impressed by its beauty.
我相信你会对这里的文化印象深刻，并且热爱这座城市。
I believe you will be deeply impressed by its culture and love this city.
我们学校上周举行了一次英语才艺表演。让我印象最深刻的是戏剧白雪公主，它给我们提供了一场视觉盛宴。
Our school organized an English talent show last Friday afternoon. What impressed me most was the play Snow White, which gave us a visual feast.
新老师渊博的知识、风趣的谈吐给我们留下了深刻的印象。My new teacher's rich knowledge and humorous talk left a deep impression on us.
impress vt.→impression n．印象；感想
express vt.→expression n．表达；表情
discuss vt.→discussion n．讨论
12. what if 用于提出假设时，意思是“假若……”“假若……怎么办”“要是……将会怎么样”，其后句子可用陈述语气（用一般现在时或者过去时）
发现你把她的书丢了怎么办
What if she finds out that you’ve lost her book
但是如果有人决定打破这些规则呢？
But what if somebody decides to break the rules
13. concentrate
vi./vt.集中精力；全神贯注；聚集；集中；集结；浓缩；
concentrate on=focus on集中，全神贯注于
concentrate one's attention/efforts/energy/mind on....
concentration n.专心，专注
不管你在做什么工作，你都应该集中注意力。
Whatever work you are doing, you should concentrate your attention on it.
在课堂上聚精会神听讲是一个非常重要的学习策略。
Concentrating your mind on your teacher in class is a very important learning strategy.
14. leave...alone
….be left alone
leave-left-left-leaves-leaving
leave+宾语+宾语补足语，其中宾语补足语这一成分可以由过去分词、现在分词、形容词、副词、介词的复合结构等来充当，意思是”使.....处于…..状态;听任;让”
现分述如下:1．由过去分词来充当宾语补足语：leave sth/sb done，常用来表示宾语所处的状态或表示动作已经完成。(宾语和宾补被动关系)
我不能让这样一件重要的事半途而废。
I can't leave such an important matter undone/unfinished.
他对这个令人激动的故事竟然无动于衷。The moving story left him unmoved.
But that’s how nature is --- always leaving us 60 (astonish).
2.由现在分词来充当宾语补足语：leave sb/sth doing,常用来表示使某人或某物一直做某事(宾语和宾补被动关系).
Don’t leave her waiting outside in the rain.
They went off together and left me sitting there.
△可用于被动语态：
The papers were left lying around
3.由形容词来充当宾语补足语：
You’d better leave the drawing-room door open.
His illness has left him weak.
△可用于被动语态： The window was left open.
4.由副词作宾语补足语
leave the light on 让灯亮着
leave...behind把....抛在后面/留下
leave...off把...不列入/不包括
leave...out把...不包括
5.由名词作宾语补足语 The earthquake left him an orphan.
15.awkward adj.尴尬的
感觉非常尴尬，他不知道接下来该怎么办。
Feeling extremely awkward, he was at a loss what to do next.
16.confident-confidence-confidently
形容词后缀-ent,变名词通常为-ence
dependent-dependence依赖
absent-absence缺席
be confident of对...有把握
be confident about对...有信心=have confidence in
他给了我一个自信的微笑，他的自信让我勇敢地面挑战。
He gave me a confident smile and his confidence made me face challenges bravely.
我们深信，通过共同努力减少污染，环境将得到改善。
We are confident that by our joint effort to reduce pollution the environment will be improved.
17. forward
backward
upward
downward
look forward to doing sth
我期待着与你们一起学习，并与你们成为好朋友。
I'm looking forward to studying with you together and becoming friends with you.
我们应该一直满怀信心和希望展望未来
We should always look forward with confidence and hope.
18.flash n.光，信号 vi.闪耀，闪，vt.使闪耀
突然一个想法闪过我的脑海。
All of a sudden, a thought/an idea flashed through my mind.
看到房间里一团糟，他的眼睛里闪烁着愤怒。
At the sight of the mess of the room, his eyes flashed with anger.
他脸上掠过一种焦虑的表情。
An anxious look flashed across his face.
19.curious-curiosity-curiously
be curious about对..感到好奇
out of curiosity处于好奇
meet/satisfy one's curiosity满足某人的好奇心
出于好奇，我开始追逐这只可爱的动物，完全忘记了我叔叔的警告。
Out of curiosity, I began to chase after the cute animal, completely forgetting the warning of my uncle.
20.improve-improvement
21.organise-organisation-organiser
为了提高我们的英语学习能力，我们学校下周将在演讲厅组织一次讲座。
In order to improve our English learning ability, our school will organize a lecture in the lecture hall next week.
你最好把思绪理清楚再开始说话。
You’d better organise your thoughts before you begin to speak.
晚会组织得很好，每个人都玩得很开心。
The evening party was well organised and everyone had a good time at it.
22.company company n. 公司；商行; 陪
我过去曾经在一家国营公司做国过志愿者工作。
I used to work as a volunteer in a a state-owned company.
keep sb company=accompany sb 陪伴某人
23.personal-personally-personality
24.revise v.修订，修改，复习
n. revision
re-是最常用的前缀之一。它可以加在名词或动词前面，构成新的名词或动词。re-表示以下三方面的意义：
高一英语重点词汇讲解
Welcome Unit
an exchange student 一位交换生
in exchange (for)作为交换（作为交换…）
exchange ideas/opinions/views/words交流思想/观点
exchange A for B 把A兑换成B
得知你下学期将作为一名交换生来我们学校我非常高兴。
I'm happy to learn that you will come to our school next term as an exchange student.
1.exchange n.交换;vt.交换;交流，交易;兑换
当我们去美国的时候，我们必须把人民币换成美元。
When we go to America, we have to exchange RMB for dollars.
在做决定之前，他和父母交换了意见。
Before making a decision, he exchanged ideas with his parents.
补充：
ex-在英语中可作为单词的前缀,意为out或out of，即表示“向外”、“分离”“出”的倾向
export（出口，输出）exclude排外
expose暴露 explore探索 explode爆炸 extend延伸 expand扩大
英语单词通常可分为三部分：词根， 前缀， 后缀。
前缀改变单词的意义，后缀改变单词的词性。
2. lecture/ lekt (r)/ n. 讲座；讲课；教训 vi.(开)讲座；讲课 vt. 训斥
give/deliver a lecture 做讲座，作报告
作为一个资深的学者，李老师将会做关于中国传统文化的报告，比如中国汉字的历史，中国油画以及中国的唐诗。
As a learned scholar, Mr. Li will deliver a lecture about traditional Chinese culture, such as the history of Chinese characters, paintings and Tang poetry.
3.register vt.& vi. 登记,注册,报名，挂号
n. registration
explore-exploration探索
concentrate-conentration专注
Organis/ze-organis/zation组织
-tion在英语中通常表示名词的后缀，表示一种行为，过程，状态，性质等，类似的后缀还有-sion, -ion等
如果你对我们的项目感兴趣请到我们学校网站去报名。
If you are interested in our project, please register on our school's website.
4.nation n.国家，民族，国民
national adj.国家的，民族的，国民的
近义词：country-state-nation
nationality n.国籍
international adj.国际间
5.design vt. 设计；构思；打…的图样(或草图)，草拟，画草图；绘制(图案、图样)；计划；筹划 n.设计，设计方案
be designed for=be intended for专为....而设计
be designed to do= aim to do旨在…
by design故意地，蓄意地=on purpose
这本词典是为初学者编的。
The dictionary is designed for beginners.
设计师为该工程设计了一套新的施工方案。
The designer designed a new plan for the project.
这个项目旨在帮助有需要的学生。
This project is/was designed to help the students in need.
6.campus / k mp s / n. 校园; 校区
on campus 在校园里
为了丰富校园文化和生活，我们学校上周六举办了一场历史剧表演。
In order to enrich the campus culture and life, our school held a history show last Saturday.
7.formal正式的 a formal meeting正式会晤
informal非正式的 an informal meeting非正式会谈
-al 在英语中即可表示形容词的后缀也可表示名词的后缀如：
（1）表形容词，“…的” personal 个人的（person人）
exceptional 例外的（exception例外）regional 地区性的（region地区）
（2）表名词后缀，“人，物，状态”arrive-arrival到达
survive-survival幸存， refuse-refusal拒绝， revive-revival复苏
8.anxious / k s / adj.焦虑的; 不安的
adv.焦虑地 anxiously
n.焦虑 anxiety
be anxious about=be worried about担心
be anxious to do=be eager to do渴望做某事
be anxious for sth=be eager for sth.想要
be anxious that=be worried that担心
高兴收到你的来信，信中说你对高中生活感到焦虑，因为你渴望上一个好的大学但不知道如何努力。
I'm glad to hear from you that you are anxious about high school life because you are eager to go to a good college but don't know how to work hard.
我很担心即将到来的考试，以至于晚上很难入睡。
I am so anxious about the coming exam that I can hardly fall asleep at night.
9. annoyed / n d/ adj.恼怒的；生气的
annoy / n / vt. 使恼怒；打扰
annoying adj.令人烦恼的
annoyance=anger n.生气
be annoyed with sb对某人生气
be annoyed at/about sth.因…而生气
It annoys/annoyed sb that….让某人生气的是….
最使我恼怒的就是他嘲笑我的错误.
It annoyed me that he laughed at my mistake.
What annoyed me most was that he laughed at my mistake.
我们应该保持头脑冷静，换位思考，而不是恼羞成怒。
We should keep a cool head and put ourselves in others' shoes rather than get annoyed.
我的朋友说话时满嘴食物，这使我很生气。虽然我对他令人讨厌的习惯很生气，但他却无法改变。
It annoyed me that my friend was speaking with his mouth full. Although I was annoyed with him about his annoying habit，he couldn't get rid of it.
10.frightened / fra tnd/ adj. 惊吓的；害怕的
frighten vt.使害怕；使惊吓；使惊恐；吓走
frightening人恐惧的
be frightened by/at/of对…害怕
看到那只凶猛的熊，他如此害怕以至于呆在那里一动不动。
At the sight of the fierce bear, so frightened was he that he stood rooted to the spot.
在如此可怕的情况下，没有人可以求助，她感到非常无助。With no one to turn to in such a frightening situation, she felt very helpless.
11.impress vt.使铭记；给…留下深刻印象；压（印）；在…上盖印
impression n.印象;感想;痕迹
impressive adj.给人深刻印象的；令人赞叹的；令人敬畏的
be impressed with/by sth.被...所感动/印象深刻/吸引
make/leave a/an.... impression on sb.给某人留下...的印象
杭州的确是个令人难忘的地方。著名的西湖总是给游客留下深刻的印象。我第一次见到它时，就对它的美印象深刻。
Hangzhou is really an impressive place. The famous West Lake always leaves a deep impression on the tourists. When I first saw it, I was deeply impressed by its beauty.
我相信你会对这里的文化印象深刻，并且热爱这座城市。
I believe you will be deeply impressed by its culture and love this city.
我们学校上周举行了一次英语才艺表演。让我印象最深刻的是戏剧白雪公主，它给我们提供了一场视觉盛宴。
Our school organized an English talent show last Friday afternoon. What impressed me most was the play Snow White, which gave us a visual feast.
新老师渊博的知识、风趣的谈吐给我们留下了深刻的印象。My new teacher's rich knowledge and humorous talk left a deep impression on us.
impress vt.→impression n．印象；感想
express vt.→expression n．表达；表情
discuss vt.→discussion n．讨论
12. what if 用于提出假设时，意思是“假若……”“假若……怎么办”“要是……将会怎么样”，其后句子可用陈述语气（用一般现在时或者过去时）
发现你把她的书丢了怎么办
What if she finds out that you’ve lost her book
但是如果有人决定打破这些规则呢？
But what if somebody decides to break the rules
13. concentrate
vi./vt.集中精力；全神贯注；聚集；集中；集结；浓缩；
concentrate on=focus on集中，全神贯注于
concentrate one's attention/efforts/energy/mind on....
concentration n.专心，专注
不管你在做什么工作，你都应该集中注意力。
Whatever work you are doing, you should concentrate your attention on it.
在课堂上聚精会神听讲是一个非常重要的学习策略。
Concentrating your mind on your teacher in class is a very important learning strategy.
14. leave...alone
….be left alone
leave-left-left-leaves-leaving
leave+宾语+宾语补足语，其中宾语补足语这一成分可以由过去分词、现在分词、形容词、副词、介词的复合结构等来充当，意思是”使.....处于…..状态;听任;让”
现分述如下:1．由过去分词来充当宾语补足语：leave sth/sb done，常用来表示宾语所处的状态或表示动作已经完成。(宾语和宾补被动关系)
我不能让这样一件重要的事半途而废。
I can't leave such an important matter undone/unfinished.
他对这个令人激动的故事竟然无动于衷。The moving story left him unmoved.
But that’s how nature is --- always leaving us 60 (astonish).
2.由现在分词来充当宾语补足语：leave sb/sth doing,常用来表示使某人或某物一直做某事(宾语和宾补被动关系).
Don’t leave her waiting outside in the rain.
They went off together and left me sitting there.
△可用于被动语态：
The papers were left lying around
3.由形容词来充当宾语补足语：
You’d better leave the drawing-room door open.
His illness has left him weak.
△可用于被动语态： The window was left open.
4.由副词作宾语补足语
leave the light on 让灯亮着
leave...behind把....抛在后面/留下
leave...off把...不列入/不包括
leave...out把...不包括
5.由名词作宾语补足语 The earthquake left him an orphan.
15.awkward adj.尴尬的
感觉非常尴尬，他不知道接下来该怎么办。
Feeling extremely awkward, he was at a loss what to do next.
16.confident-confidence-confidently
形容词后缀-ent,变名词通常为-ence
dependent-dependence依赖
absent-absence缺席
be confident of对...有把握
be confident about对...有信心=have confidence in
他给了我一个自信的微笑，他的自信让我勇敢地面挑战。
He gave me a confident smile and his confidence made me face challenges bravely.
我们深信，通过共同努力减少污染，环境将得到改善。
We are confident that by our joint effort to reduce pollution the environment will be improved.
17. forward
backward
upward
downward
look forward to doing sth
我期待着与你们一起学习，并与你们成为好朋友。
I'm looking forward to studying with you together and becoming friends with you.
我们应该一直满怀信心和希望展望未来
We should always look forward with confidence and hope.
18.flash n.光，信号 vi.闪耀，闪，vt.使闪耀
突然一个想法闪过我的脑海。
All of a sudden, a thought/an idea flashed through my mind.
看到房间里一团糟，他的眼睛里闪烁着愤怒。
At the sight of the mess of the room, his eyes flashed with anger.
他脸上掠过一种焦虑的表情。
An anxious look flashed across his face.
19.curious-curiosity-curiously
be curious about对..感到好奇
out of curiosity处于好奇
meet/satisfy one's curiosity满足某人的好奇心
出于好奇，我开始追逐这只可爱的动物，完全忘记了我叔叔的警告。
Out of curiosity, I began to chase after the cute animal, completely forgetting the warning of my uncle.
20.improve-improvement
21.organise-organisation-organiser
为了提高我们的英语学习能力，我们学校下周将在演讲厅组织一次讲座。
In order to improve our English learning ability, our school will organize a lecture in the lecture hall next week.
你最好把思绪理清楚再开始说话。
You’d better organise your thoughts before you begin to speak.
晚会组织得很好，每个人都玩得很开心。
The evening party was well organised and everyone had a good time at it.
22.company company n. 公司；商行; 陪
我过去曾经在一家国营公司做国过志愿者工作。
I used to work as a volunteer in a a state-owned company.
keep sb company=accompany sb 陪伴某人
23.personal-personally-personality
24.revise v.修订，修改，复习
n. revision
re-是最常用的前缀之一。它可以加在名词或动词前面，构成新的名词或动词。re-表示以下三方面的意义：