人教版（2019）选择性必修第一册 Unit1People of Achievement 词汇学习课件(19张ppt)

(共19张PPT)
选择性必修一unit 1单词讲解
crucial
至关重要的；关键性的 （adj）
crucial
关键性地；至关重要地(adj)
crucially
be crucial to/for
对…是重要的
vital/ key / important
crucial
至关重要的；关键性的 （adj）
Teachers are crucial to the success of the school.
She played a crucial role in the meeting.
vital
至关重要的 （crucial）
必不可少的 （necessary）
充满生机的 （energetic）
1. Oxygen is vital to life.
2. Exercise can keep you young and energetic.
3. The sciences are a vital part of the school curriculum .
指出vital在句子中的含义
必不可少的
充满活力的
重要的
commit
犯（罪或错等）（commit crimes）
自杀（commit suicide ）
承诺；保证
忠于；全心全意投入
commit oneself to sth./doing sth.
致力于去做某事
academic
学业的；学术的 （adj）
academic
研究院；学会（n.）
academy
She received awards for her academic achievements.
objective
目标；目的 （n.）
客观的（adj）
subjective
主观的（adj）
evaluate
评价；评估（v.）
evaluative
评估的; 评价的（adj）
evaluator
评估家（n）
property
财产；性质；特征（n.）
We are not responsible for the loss of personal property.
He was trying to sell stolen property.
distinct
清晰的；清楚的；有区别的;不同的（adj.）
There are three distinct categories.
boil
沸腾；煮开；烧开（n./v.）
boiling water 开水；沸水
boiled water 凉开白；白开水
liquid
液体(的)（n./adj.）
gas 气体
solid 固体
obtain
获得；赢得
Knowledge is kind of difficult to obtain.
同义词：get ; acquire
acknowledge
承认 ~ doing sth.
(公开) 感谢
微笑、挥手等）致意;
They acknowledged him as their leader.
She acknowledged his greeting with a smile.
He acknowledged the gift with a card.
承认
致意
感谢
defeat
失败；挫败