Welcome Unit核心词汇变形，短语，重要句型汇总 清单素材-2025-2026学年高中英语人教版（2019）必修第一册

高一英语必修一 Welcome Unit 核心知识点汇总
一、重点词汇变形
1. 动词→名词
exchange (v. 交换) → exchange (n. 交换；交流)
introduce (v. 介绍) → introduction (n. 介绍)
impress (v. 给…… 留下印象) → impression (n. 印象)
register (v. 注册) → registration (n. 注册；登记)
concentrate (v. 集中) → concentration (n. 集中；专注)
organize (v. 组织) → organization (n. 组织)；organizer (n. 组织者)
behave (v. 表现) → behavior (n. 行为；举止)
arrange (v. 安排) → arrangement (n. 安排)
2. 名词→形容词
anxiety (n. 焦虑) → anxious (adj. 焦虑的)
comfort (n. 安慰) → comfortable (adj. 舒适的)
difference (n. 不同) → different (adj. 不同的)
importance (n. 重要性) → important (adj. 重要的)
independence (n. 独立) → independent (adj. 独立的)
confidence (n. 自信) → confident (adj. 自信的)
caution (n. 谨慎) → cautious (adj. 谨慎的)
3. 形容词→副词
quick (adj. 快的) → quickly (adv. 快速地)
calm (adj. 平静的) → calmly (adv. 平静地)
clear (adj. 清晰的) → clearly (adv. 清晰地)
obvious (adj. 明显的) → obviously (adv. 明显地)
gradual (adj. 逐渐的) → gradually (adv. 逐渐地)
4. 重点转化词
familiar (adj. 熟悉的) → unfamiliar (adj. 不熟悉的)
formal (adj. 正式的) → informal (adj. 非正式的)
polite (adj. 礼貌的) → impolite (adj. 不礼貌的)
happy (adj. 高兴的) → unhappy (adj. 不高兴的)
二、核心短语搭配
1. 日常交际短语
introduce oneself 自我介绍
shake hands 握手
look forward to 期待；盼望
in person 亲自
on campus 在校园里
at first sight 乍一看
to be honest 说实话
as a matter of fact 事实上
2. 学习生活短语
take notes 做笔记
concentrate on 集中注意力于
get along with 与…… 相处；进展
join in 参加；加入
sign up for 报名参加
at the end of 在…… 结束时
at the beginning of 在…… 开始时
make friends with 与…… 交朋友
adapt to 适应
keep up with 跟上；不落后
3. 情感表达短语
be nervous about 对…… 感到紧张
be curious about 对…… 感到好奇
be impressed by 被…… 打动
be anxious about 对…… 感到焦虑
be excited about 对…… 感到兴奋
feel at ease 感到自在
lose heart 灰心；泄气
build up confidence 建立自信
三、重要句型
It's + adj. + (for sb.) + to do sth.
做某事（对某人来说）是…… 的
例句：It's important for us to adapt to the new school life quickly.
This/It is the first time that...
这是第一次……（从句用现在完成时）
例句：This is the first time that I have attended such an interesting lecture.
What impresses me most is...
给我印象最深的是……
例句：What impresses me most is the enthusiasm of the teachers.
I find/think it + adj. + to do sth.
我发现 / 认为做某事是…… 的
例句：I find it challenging to balance study and extracurricular activities.
There's no need (for sb.) to do sth.
（某人）没有必要做某事
例句：There's no need to worry too much about the first exam.
It takes (sb.) some time to do sth.
做某事花费（某人）多长时间
例句：It takes time to get to know new classmates.
be + adj. + enough + to do sth.
足够…… 去做某事
例句：We are old enough to take care of ourselves.
四、背诵佳句
Starting senior high school is a new beginning full of challenges and opportunities.
开始高中生活是一个充满挑战和机遇的新开始。
A positive attitude is the key to adapting to the new environment.
积极的态度是适应新环境的关键。
Making new friends and building good relationships with classmates can make our school life more enjoyable.
结交新朋友并与同学建立良好关系能让我们的学校生活更愉快。
It's normal to feel a little anxious when facing something new, but we will get used to it gradually.
面对新事物时感到些许焦虑是正常的，但我们会逐渐适应。
The first impression is important, but it's our consistent efforts that truly matter.
第一印象很重要，但真正重要的是我们持续的努力。
Every small progress we make will lead us to greater achievements in the future.
我们取得的每一个小进步都会引领我们在未来取得更大的成就。
Senior high school is a time for growth, exploration and self-discovery.
高中是成长、探索和自我发现的时期。
As long as we keep an open mind and a willing heart, we will surely enjoy this wonderful journey.
只要我们保持开放的心态和积极的意愿，我们一定会享受这段美好的旅程。