Unit 1 Food matters单元精讲精练课件-译林版选择性必修一

(共48张PPT)
高频词汇精讲
　　No matter how bad my mood is, that perfect combination is always enough to lift my spirits.
不管我的心情有多糟,那种完美的结合总是足以让我振作起来。 (教材P2)
情景导学
The new treatment can be used individually or in combination with the traditional one.这种新疗
法可以单独使用,也可以和传统疗法结合使用。
　　The new product which will be tested out next month is a combination of traditional meth-
ods and artificial intelligence.将在下个月进行测试的新产品是传统方法和人工智能的结合体。
高频词汇 情景破
词汇1 combination n.结合体,联合体;联合,混合
用法归纳
①a/the combination 　　 ……的组合/结合体
②　　 combination with...与……结合/联合
词汇拓展
combine v.(使)结合,组合;同时做;兼备
combine with...与……结合/组合
combine...with/and...把……与……结合起来;同时做……与……
As working from home becomes increasingly common, people are finding it easier to combine
parenthood with a full-time career.随着在家工作变得越来越普遍,人们发现把父母的身份与全
职工作结合起来更容易。 (2021天津3月)
of
in

　　In this article, we will talk about a particular type of comfort food whose power mainly lies
in the associations it calls to mind.在这篇文章中,我们将讨论一种特殊类型的治愈系食物,它
的力量主要在于它所唤起的联想。 (教材P2)
情景导学
We are working in association with a number of local companies to raise money for the homeless.
我们与许多本地公司合作来为无家可归的人筹款。
词汇2 association n.联想,联系;协会,社团;联合,交往,合伙
用法归纳
in association 　　 ...与……联合/合伙
词汇拓展
①associate v.联想,联系;交往,(尤指)混在一起adj.副的
associate...with... 把……和……联系在一起
associate with sb. 与某人交往/混在一起
an associate professor副教授
The important thing is that the technologist associates what is happening outside the patient’s
body with what the patient sees in his head.重要的是技术专家把发生在病人身体外的事情与
病人在脑海中看到的联系在一起。 (2021天津3月)
②associated adj.相关的,有关联的;有联系的
with
be associated with... 和……有关/有瓜葛
Children’s exposure to these pollutants has been associated with harmful impacts on their men-
tal development.儿童接触这些污染物对他们的智力发展产生了有害影响。

　　They vary from person to person, depending on our own unique experiences that have
shaped our lives.它们因人而异,取决于影响了我们生活的我们自己的独特经历。 (教材P2)
情景导学
The price of vegetables varies greatly with the season.蔬菜的价格随季节变化很大。
　　Class activities will vary from day to day, but students must be ready to complete short in-
class writings or tests.课堂活动每天都会有所不同,但学生必须准备好完成课堂上的短文写作
或测试。 (2022新高考Ⅰ)
　　In China, silk products are classified based on different weaving methods that result in prod-
ucts that vary in thickness.在中国,丝绸纺织品是根据不同的纺织方法来分类的,不同的纺织方
法导致产品的厚度不同。
词汇3 vary vi.(根据情况)变化,变更;相异,不同 vt.变更,改变
用法归纳
①vary 　　 ...to...从……到……各不相同;从……到……不等
②vary 　　 ...随……变化
③vary 　　 ...在……方面不同;在……方面有差异
词汇拓展
①various adj.各种不同的;各种各样的
Libraries will often hold reading-group sessions targeted to various age groups.图书馆会经常
召开针对各种不同年龄群体的阅读小组会议。 (2020天津)
②variety n.不同种类;变化;多样化;变种,变体
a variety of=varieties of多种的;各种各样的,各种不同的
Yellowstone National Park offers a variety of/varieties of ranger programs throughout the park,
from
with
in
and throughout the year.黄石国家公园全年在整个公园范围内提供各种各样的护林员项目。
(2023新课标Ⅱ)
③variation n.变化,变更;变体,变种;变奏,变奏曲
　　If we grow up eating certain foods in our family, then those foods tend to be linked with pos-
itive emotions.如果我们在自己家里吃着某些食物长大,那么那些食物往往会与积极的情绪联
系在一起。 (教材P2)
情景导学
The two spacecraft will link up (with each other) in orbit.那两艘宇宙飞船将在轨道上(互相)对
接。
　　The purpose of the HUNCH program is to link space technology with school education.
HUNCH计划的目的是将空间技术与学校教育联系起来。 (2019全国Ⅱ改编)
　　It can bring a new interest and focus into people’s lives and help to make the link between
home and nature.它可以为人们的生活带来新的兴趣和焦点,并有助于建立家庭与自然之间的
词汇4 link vt.联系,相关联;把……连接起来;挽住 n.联系,连接;关系,纽带;链接
联系。 (2023全国乙)
用法归纳
动 ①link 　　 (with...) (与……)结合,连接
②link...　　 /to...将……和……联系/连接起来
③link arms 挽着胳膊
名 ④a link/links with sth./sb.与某事物/某人的联系
⑤the link/links 　　 A and B A与B之间的联系
up
with
between
　　One mouthful of comfort food takes us back to our cultural roots, giving us the “taste of
home” that we cry out for and relieving feelings of homesickness.吃一口治愈系食物让我们回
到自己的文化根源,为我们带来我们迫切需要的“家的味道”,缓解思乡之情。 (教材P3)
情景导学
Quality counts less than attitude and effort—even a stupid joke can relieve others of risk and em-
barrassment.质量不比态度和努力重要——即使是一个愚蠢的笑话也能帮助别人减轻风险和
尴尬。 (2020江苏)
　　In addition, I advise you to do more exercise in your spare time to relieve stress/pressure,
because sports will also help you sleep better at night.此外,我建议你在业余时间多做运动来缓
解压力,因为运动也会帮助你在晚上睡得更好。 写作·建议信
词汇5 relieve vt.解除,减轻;缓和,缓解
用法归纳
①relieve sb. 　　 ...帮助某人减轻……(负担);解除某人的……(职务)
②relieve anxiety/guilt/stress/pressure缓解焦虑/内疚/压力
③relieve unemployment/global warming/starvation/the drought缓解失业问题/全球变暖/饥荒/
干旱
词汇拓展
①relief n.轻松,宽慰;(痛苦、焦虑等的)消除,减轻;救济
in/with relief轻松地,宽慰地
to one’s relief令某人感到宽慰的是
(the) relief from/of...……的消除/减轻
I breathed in/with relief when the exam was over.考试结束时,我轻松地呼了一口气。
of
To our relief, an increasing number of people are aware of the importance of protecting the
wildlife.令我们欣慰的是,越来越多的人意识到保护野生动物的重要性。 写作·保护野生动物
②relieved adj.放心的;感到宽慰的
Sb. be relieved to do/that... ……令某人松了一口气/如释重负。
At the sight of his father and all the familiar villagers, the boy eventually beamed a relieved
and tired smile, with tears blurring his vision.看到父亲和所有熟悉的村民,男孩终于露出了放
心而疲倦的微笑,泪水模糊了他的视线。 读后续写·神态描写
　　As long as you are not afraid of heights, you will be impressed by Sky Buffet, the latest
restaurant in the city centre.只要你不恐高,你就会对市中心的最新的餐厅“天空自助餐”印
象深刻。 (教材P7)
情景导学
My parents impressed on/upon me the importance of receiving a good education.我父母使我认
识到接受良好教育的重要性。
　　The teacher explained the question clearly to impress his students with/by its importance.老
师把问题解释得很清楚,以使学生对它的重要性印象深刻。
　　What impressed me most was his particular way of walking when he was acting the role of
“Da Huyou” on the stage.最让我印象深刻的是他在舞台上扮演“大忽悠”时独特的走路
方式。 写作·人物介绍
词汇6 impress vt.& vi.使钦佩,给……留下深刻印象;使意识到
用法归纳
①impress sb. 　 　 sth.使某人对某物印象深刻
②impress sth. on/upon sb.=impress 　　 sb. sth.使某人意识到/明白某事
③What impresses sb. is...令某人印象深刻/钦佩的是……
词汇拓展
①impression n.印象;影响
leave/make an impression on sb.给某人留下印象;对某人产生影响
Forrest Gump is one of the most inspirational films that leave a deep impression on me.《阿甘
正传》是给我留下深刻印象的最励志的电影之一。 写作·电影介绍
②impressive adj.令人敬佩的;令人印象深刻的
What is the most impressive is its many multi-level waterfalls and colorful lakes.最令人印象
深刻的是它的许多多层瀑布和色彩斑斓的湖泊。 (2021天津3月)
with/by
on/upon

　　Over time, it has expanded to include multiple options of soups, vegetables, meats and
sauces, appealing to people of different tastes.随着时间的推移,它扩展以包含多种汤、蔬菜、
肉和酱汁的选择,吸引了不同口味的人。 (教材P11)
情景导学
His small business eventually expanded into a business empire.他的小公司最终发展成为一个
商业帝国。
　　I usually expand upon/on this interesting but tough topic in the next section.我通常会在下
一节详述这个有趣但棘手的话题。
　　In Wickenden’s book, she expanded on the history of the West and also on feminism, which
of course influenced the girls’ decision to go to Elkhead.在书中,威肯登详述了西方的历史和
女权主义,这当然影响了女孩们去埃尔克黑德的决定。 (2022全国乙)
词汇7 expand vt.& vi.增加,扩大;扩展,发展(业务);详谈,详述
用法归纳
①expand 　 　 ... 扩展到……,发展成为……
②expand 　 　 ... 详述……,充分叙述……
词汇拓展
①expansion n.扩张,扩大
②expansive adj.广阔的;广泛的;(人或其态度)豪爽的
③expansively adv.豪爽地
易混辨析
expand 侧重面积的扩大或体积的膨胀
extend 侧重在一个方向上的延伸、加长
into　
on/upon
Generally, objects expand when they are heated.一般来说,物体受热会膨胀。
Theoretically, a line can extend into infinity.从理论上说,直线可以无限延伸。
情景助记

　　Traditionally, duck is considered to have cooling properties, so it is appropriate for the hot
summer months.传统上,人们认为鸭肉具有清热的特性,所以它适合在炎热的夏季吃。 (教
材P12)
情景导学
I think he is very appropriate for the job due to his excellent English.我认为他非常适合这份工
作,因为他的英语很好。 写作·推荐信
It is appropriate that he should get the post.=It is appropriate for him to get the post.由他担任这
个职务是恰当的。
　　The crucial thing is using body language in a way that is appropriate to the culture you are
in.关键是使用身势语的方式要与你所处的文化相适应。
词汇8 appropriate adj.合适的
用法归纳
①be appropriate 　　 ... 适合……
②It is appropriate (for sb.) 　 　 sth.(某人)做某事是合适的。
③It is appropriate that... ……是恰当的。
词汇拓展
①appropriately adv.合适地
At that time, she had the idea of helping them, but she didn’t know how to do it more appro-
priately.那时,她有了帮助他们的想法,但她不知道如何做得更合适。
②inappropriate adj.不恰当的,不合适的
Having written the English script, we don’t want anything inappropriate to spoil the play.我们
已经写好了英文剧本,不希望有任何不恰当的东西破坏这部剧。 (2020全国Ⅲ)
for/to
to do
　　Nowadays, people eat salted duck all year round and it is estimated that tens of thousands of
ducks are consumed every day in Nanjing!如今,人们一年四季都吃盐水鸭,据估计,在南京,每天
有数万只鸭子被吃掉! (教材P12)
情景导学
It is estimated that the project will last three years.据估计,这项工程将持续三年。
　　In August 2022, an ancient tree estimated to be 500 years old in Hezhou, Guangxi, was ille-
gally cut down, which made us feel very sorry.2022年8月,广西贺州的一棵估计有500年树龄的
古树被非法砍伐,这让我们感到很惋惜。
　　A survey said there had been an estimate of 5 million orders globally by July.一项调查显示,
截至7月,全球的订单量估计为500万份。
词汇9 estimate vt.估计,估价 n.估计;估计的成本
用法归纳
动①　 　 is estimated that...据估计……
②be estimated 　 　 ... 据估计是……
名③an estimate of... ……的估计
词汇拓展
estimation n.判断,评价;估计,估算
Estimations of the company’s total world sales are about 100 million.该公司在全球的总销售
量估计约为1亿。
It　
to be
　　The emphasis is rather on conversation about business, family or pleasure, and locals can
spend hours together chatting, drinking tea and working their way through the menu.重点反而是
在谈生意、话家常或消遣上,当地人可以花好几个小时聚在一起聊天、喝茶,慢慢吃遍菜单
上所有的食物。 (教材P12)
情景导学
We should place great emphasis on the improvement of road safety.我们应该高度重视提高道路
安全性。
　　For the next step, China will give emphasis on manned moon explorations and Mars sample
retrieval missions among others.下一步,中国将把重点放在载人月球探索和火星样本取回等任务上。 (Global Times)
词汇10 emphasis n.(pl. emphases) 强调,重视;重读
用法归纳
place/give/put/lay emphasis 　　 /upon sth.强调/重视某事
词汇拓展
emphasize vt.强调,重视
emphasize the importance of (doing)... 强调(做)……的重要性
He emphasized the importance of attracting industry to the town.他强调了吸引工业到城镇的
重要性。
on
高频词汇积累
词汇 释义 用法&拓展
mood n.情绪,心情;气氛,氛围(生
义);坏心境;坏脾气 in a good/bad mood心情好/心情不好
in the/no mood for...有做某事的心情/无心做某事
improve one’s mood 改善心情
emotion n.情感,强烈的感情,激情,情
绪 control one’s emotions控制某人的情绪
express emotions表达情感
negative emotions负面情绪
emotional adj.情绪的;激动人心的
近　feelings n.情感,情绪
-ion是名词后缀,构成抽象名词,表示行为、行为的过程或结果、情况、状态,如:action行动,construction建筑,con-nection连接,creation创造,do-nation捐赠
security n.安全;保护措施;保安部门;担保,保证 security system安全系统
national/network security国家/网络安全
global food security全球食物安全(2022北京)
secure adj.安全的;牢固的
-ity是名词后缀,构成抽象名词,表示性质、情况、状态及其他。如:reality真实,equality平等,purity纯洁, ability能力, possibility可能性,curiosity好奇心
generate vt.产生,引起 generate profit/electricity产生利润/发电
generate a language产生一种语言(2023新课标Ⅱ)
generation n.代;产生
digest vt.& vi.消化;领会,理解 n.摘要,文摘 She couldn’t digest food properly.她无法正常消化食物。
digest learning material消化学习材料(2022天津)
digestive adj.消化的
digestion n.消化
lower vt.降低,减少;把……放低,使……降下 adj.下面的;在底部的;低洼的 lower the price/voice降价/降低声音
反　raise v.提升,举起
enhance vt.提高,增强 enhance your photography skills提高你的摄影技巧
(2023新课标Ⅱ)
enhance your self-confidence增强你的自信(2022天津)
enhanced adj.提高的,增强的
enhancement n.提升,增强
近　improve v.改善,提高
atmosphere n.气氛,氛围;大气,气体;空气 a friendly/tense atmosphere友好的/紧张的氛围
version n.变体,变种;说法;版本 a 3D version of...……的3D版本(2022浙江)
the original/new/current/latest version原始/新/当前/最新版本
the version number 版本号
近　edition n.版本
consume vt.吃,喝,饮;消耗,耗费(尤指燃料,能量或时间) Many people are unaware of just how much food and drink they consumed.许多人都不知道他们到底消耗了多少食物和饮料。
consumer n.消费者;顾客;用户
consumption n.吃,喝;消耗量
stimulate vt.促进,激发;刺激,使兴奋 stimulate our interest in learning English激发我们学习英语的兴趣(2022天津)
stimulate the economy/growth/consumption刺激经济/增长/消费
stimulation n.刺激;激励
appetite n.食欲,胃口;强烈欲望 have an appetite for...渴望/爱好……
a loss of appetite食欲不振(2022天津)
mixture n.混合物;混合,结合 a mixture of...……的混合
mix v.(使)混合;掺和;融合
mix A with/and B混合A和B
mix up...弄乱……;弄混……
apart adv.成碎片;分开;相隔 fall apart 破碎,破裂;崩溃
tear apart使(关系密切的人)分离;分开;撕毁
tell...apart区分……
apart from 除了……之外(还),此外;除了……之外(都),要不是
经典结构 情境破
Not only is cooking at home cheaper, but I can cook exactly what I want.在家做饭不仅更便宜,
而且我完全可以做我想吃的菜。 (教材P6)
情景导学
Not only the twins but also their friend Tom likes playing football.不仅是这对双胞胎,他们的朋
友汤姆也喜欢踢足球。
Not only do oceans offer us sufficient food, but they also maintain the balance of nature.海洋不
仅给我们提供充足的食物,而且还保持自然的平衡。 (2022全国甲)
　　Organ donation is not only the best way to memorialize a beloved one, but also a remarkable
way to save the lives of others.器官捐献不但是纪念深爱的人的最佳方式,而且是拯救他人生
命的非凡的方式。
结构1 not only...but (also)...不但……而且……
　　The activity was highly spoken of, because not only did it provide a chance for us to exer-
cise, but it (also) made us more united.这次活动受到了高度评价,因为它不仅为我们提供了锻
炼的机会,而且让我们更有凝聚力。 写作·介绍活动
用法归纳
　　①not only...but also...可以连接两个并列的主语、谓语、宾语、表语、状语等,还可以连
接两个并列的分句。
　　②not only...but also...连接并列的主语时,谓语动词的人称和数要遵循“　　　　　
”原则。
　　③当not only...but also...连接两个分句时,若not only位于句首,则not only所在的分句要用
　　 结构。
　　④not only只能连用,而but also既可连用,也可分开用,also也可 　　 或用置于句末的as
well代替。
就近一致
倒装
省略
　　They are believed to have started off in the late Qing Dynasty as a way for boatmen on the
Yangtze River to keep warm during the cold and wet winters.人们认为,它们起源于晚清时期,是
长江上的船夫们在寒冷潮湿的冬天取暖的一种方式。 (教材P11)
情景导学
The intense fighting is reported to have claimed many lives.=It is reported that the intense fight-
ing has claimed many lives.据报道,这场激烈的战斗夺走了许多人的生命。
　　The scientist is said to be writing a science report about outer space.据说这位科学家正在写
一篇关于外层空间的科学报告。
　　The total number of all multigenerational households in Britain is thought to be about 1.8
million.据认为,英国所有多代同堂的家庭总数约为180万。 (2020全国Ⅲ)
结构2 “主语+be+过去分词+to do sth.”结构
用法归纳
　　①常用于此结构的过去分词有believed、said、known、thought、supposed、reported、
considered等。
②此结构中的不定式要根据表达的含义用不同的时态形式:
a.当不定式所表示的动作与谓语动词所表示的动作同时发生时,不定式用　　 ;
b.当不定式所表示的动作在谓语动词所表示的动作之后发生或没有明显的先后顺序时,不定
式用　　 ;
c.当不定式所表示的动作在谓语动词所表示的动作之前发生时,不定式用　　 。
③“主语+be+过去分词+to do sth.”可转换为“　　 is/was+过去分词+that...”
进行式
一般式
完成式
It
Sentence 1
长难句 图解
译文　欣欣然,我回忆起那些慵懒的周日午后,那时我常常待在外婆温暖的公寓里,一边听
她讲着精彩的故事,一边一碗接一碗贪婪地吃着她做的美味的大米布丁。
定语
Sentence 2
译文 在本文里,我们将讲一种特殊类型的治愈系食物,它的力量主要在于它所唤起的联
想。
定语
定语
Sentence 3
译文　当我们再次吃它的时候,我们开启了自己被爱和被照顾的一段时光的记忆,这让我们
振作起来。
时间状语
Sentence 4
译文　根据一些食物专家的说法,人们会马上失去文化的某些方面,但有了食物,(人们)就有
了更多与记忆、家人和地方联系起来的机会。
定语
动词不定式作主语和表语
一、动词不定式作主语
情景导学
To learn English well is not easy.
It is my duty to report it to the police.
How to use the computer is the question.
It is interesting to play with snow in winter.
It is very kind of you to say so.
It is important for students to use English every day.
It took me more than an hour to do housework after work.
必备语法 情境破
用法归纳
1.动词不定式作主语时通常位于句首,谓语动词一般用①　　 。
2.当动词不定式作主语时,常将代词②　　 放在句首作形式主语,而将真正的主语即动词不
定式放在后面。常见句型有:
(1)It+be+名词+to do sth.
(2)It makes sb.+形容词+to do sth.
(3)It takes (sb.) some time to do sth.
(4)It+be+形容词+(for/of sb.) to do sth.(for/of sb.中的sb.是不定式的逻辑主语;当句型中的形容
词用来描述不定式所表达的内容的性质时,用介词for;当句型中的形容词用来描述不定式动
作的执行者的性格、品质或特征时,用介词of)
3.动词不定式可与疑问词 ③　　 、what、when、where等连用,构成“疑问词+不定式”
单数
it
how
结构,作主语、宾语或表语。
二、动词不定式作表语
情景导学
My chief purpose is to point out the difficulties of the matter.
They seem to have cleaned the house.
Our intention is to understand different views of the working class(工人阶级).
The plan is to promote the understanding between the two countries.
The only thing we can do now is (to) wait and see.
What I would like to suggest is to put off the meeting.
用法归纳
1.当句子的主语是thing、aim、job、way、duty、idea、plan、task、wish、policy、ques-
tion、purpose、intention、suggestion等抽象名词或者④　　 等引导的名词性从句时,可以
用动词不定式作表语,表示主语的具体内容、目的等。
2.当主语部分有实义动词do的某种形式时,作表语的动词不定式的符号to可以⑤　　 。
3.动词不定式作表语时,可用其完成式to have done表示不定式的动作发生在谓语动词的动作
之前。
特别提醒
1.动词不定式作主语和表语时,可以有被动形式,例如:
Linda’s birthday party is to be held next Friday.(hold与句子的主语party之间是被动关系)
It is a great honour for me to be invited here today.(invite与其逻辑主语me之间是被动关系)
what
省略
2.某些动词的不定式与be动词连用时常用主动形式表示被动意义,如be to let (出租),be to
blame(应负责任)等。
Who is to blame for the accident
即时巩固讲
完成下列单句语法填空题并在句后写出设空处在句中所作成分
1.(2023全国甲)Our hope is 　　　 　 (have) a clean, attractant-free place where bears can pass
through without learning bad habits. 　　　　
2.(2023新课标Ⅱ)It s been an honor 　　　　 (watch) the panda programme develop and to
see the pandas settle into their new home. 　　　　
3.(2022全国甲)First of all, what we can do is 　　　 　 (place) emphasis on our daily actions.
　　　　
4.(2021全国甲)It is possible 　　　　 (walk) or bike the entire 14 kilometers. 　　　　
5.Where 　　　　 (go) for the summer holiday has not been decided yet. 　　　　
6.　　　　 (climb) up the mountain is easy while to go down the hills is hard. 　　　　
to have
表语
to watch
主语
(to) place
表语
to walk
主语
to go
主语
To climb
主语
7.Officials believe that more than one person may be 　　　　 (blame) for the fire.
　　　　
8.You seemed 　　　 　 (misunderstand) what I said at the meeting this morning.
　　　　
9.It remains 　　　　 (see) whether Jim is fit enough to play in the final. 　　　　
答案
to blame
表语
to have misunderstood
to be
表语
表语