摘要:
该高中英语课件聚焦Unit 4重点词汇,系统梳理launch、determined等11个核心词的词性、搭配、中英文例句及词形转换,通过情境化例句导入,构建从基础用法到拓展应用的学习支架,帮助学生逐步掌握词汇在语境中的灵活运用。
其亮点在于紧扣语言能力培养,通过丰富例句帮助学生理解词汇意义及表达;注重思维品质提升,借助词形转换(如determine/determination)和用法归纳(如result in/result from辨析)培养分析比较能力;强化学习能力,系统整理搭配规则(如be disappointed at/with)助力学生掌握词汇学习策略。学生能提升词汇运用准确性,教师可直接用于课堂教学,提高备课效率。
内容正文:
Unit 4
1. launch
1)v. 发射,把(航天器、武器等)发射上天;使(船、尤指新船)下水
launch a satellite 发射卫星
2)v. 开始从事,发起,发动(尤指有组织的活动)
该组织发起了筹集15万美元的活动。
The organization has launched a campaign to raise $ 150,000.
3)v.(首次)上市,发行;发布新产品
昨天发布的新一代智能手机获得了大量媒体关注。
The new generation of smartphones launched yesterday received much media coverage.
4)n.(航天器的)发射,(船的)下水,(产品的)上市
今天早上航天飞机的发射被推迟了。
This morning’s launch of the space shuttle has been delayed.
2. determined adj. 坚决的,坚定的
be determined to do sth. 决定做某事
我们的足球队决心在困难中赢得比赛。
Our football team were determined to win the game despite difficulties.
[词形转换]
1)determine v. 决定
determine on sth. 决定某事 determine to do sth. 决定做某事
2)determination n. 决定
3. disappointed adj. 失望的,沮丧的
be disappointed at/ by sth. 对某物失望
与其对现状感到失望,不如乐观地思考未来的方向。
Instead of being disappointed at where you are, think optimistically about where you are going.
be disappointed in/ with sb. 对某人失望
真是一场令人失望的比赛!我们对这些球员都很失望。
What a disappointing match ! We were all disappointed with these players.
be disappointed (not) to do sth. 对(未)做某事感到失望
每次我因为没能赢而失望时,教练都会鼓励我不要放弃。
Every time I am disappointed not to win, my coach will encourage me not to give up.
[词形转换]
1)disappoint v.(使)失望
2)disappointment n. 失望 to one’s disappointment 令某人失望的是
4. desire
1)n. 愿望,欲望,渴望
have no desire for sth. 没有对某物的渴望
have no desire to do sth. 没有做某事的渴望
2)v. 渴望,期望
desire (sb.) to do sth. 渴望(某人)做某事
5. signal
1)v. 表明,预示;发信号,示意
signal (to/ for) sb. to do sth. 示意某人做某事
当红绿灯变绿时,警察示意孩子们过马路。
The policeman signalled (to/ for) the children to cross the road when the traffic lights turned green.
2)n. 信号,暗号;信号灯;标志,预示;(无线电、电视等的)信号
海洋颜色的变化将成为我们真正改变地球的早期警示信号之一。
The change in the color of the ocean will be one of the early warning signals that we really have changed our planet.
6. lack
1)n. 缺乏,匮乏,短缺(前可加不定冠词)
(a) lack of… 缺乏…
for lack of… 因缺乏…
叶子因缺乏光线而变黄。
The leaves turned yellow for lack of light.
no lack of… 不缺…
生活中并不缺乏美丽,但缺乏发现它的眼睛。
There is no lack of beauty in life but lack of the eyes to discover it.
2)v. 缺乏,没有(不用于被动语态)
艾玛说,成为健康专家很有挑战性,因为人们很容易被缺乏科学依据的广告影响。
Emma says it’s challenging to be a health expert, because people can be easily influenced by advertisements that lack scientific support.
[词形转换]
1)lacking adj. 缺乏,不足(不用于名词前)
be lacking in… 缺乏…
7. otherwise
1)adv./ conj. 否则,要不然(作副词时可以位于句首,也可以位于句末)
我爸妈借给我的钱。否则,我根本负担不起这趟旅行。
My parents lent me the money. Otherwise, I couldn’t have afforded the trip.
2)adv. 除此以外
莱文在事故中受到了休克,但除此之外没有受伤。
Levine suffered shock in the accident but was otherwise unhurt.
8. figure out
1)想出;弄懂
当事情出错时,试着想办法解决,而不是沉溺于自怜。
When something goes wrong, try to figure out a solution instead of being absorbed in self-pity.
2)计算(数量或成本)
我父亲正在努力搞清楚他的税务。
My father is trying to figure out his tax.
9. argue v.
1)争辩,论证,说理
argue for/ against (doing) sth. 赞成/反对(做)某事
我支持这个计划,而我姐姐则反对。
I argued for the plan while my elder sister argued against it.
argue sb. into/ out of doing sth. 说服某人做/不做某事
约翰的家人试图劝他不要踏上这段危险的旅程。
John’s family tried to argue him out of going on such a dangerous journey.
2)争吵,争论,争辩
argue with sb. about/ over sth. 就某事与某人争论
我父母为度假的最佳地点争论不休。
My parents argued with each other about the best place for a holiday.
[词形转换]
1)argument n. 争论;论据
have an argument with sb. over/ about sth.
10. result in 造成,导致
一个小错误可能导致严重错误。
A slight mistake may result in a great error.
[归纳拓展] result in/ result from
1)result in 造成,导致(后接结果)
2)result from 由…造成(后接原因)
有时失败源于粗心,可能导致气馁。
Sometimes failure results from carelessness and may result in discouragement.
11. limited adj. 有限的
就像海上航行一样,我们的人生旅程,日子有限,充满了困难和惊喜。
Just like a voyage at sea, our life journey, whose days are limited, is full of difficulties and surprises.
[词形转换]
1)limitation n. 限制;局限
2)limit v. 限制 n. 界限;限度
limit…to… 把…限制在…内
set a limit on… 对…作出限制
There is no a/ no limit to… 是有/无限度的
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