(共33张PPT)
Unit 5
高频词汇学习(二)
设计说明
本课件依据新教材和新课标的要求,将中英文中思维差异大、高考出现频率高、词义较多、用法灵活的词汇进行了汇总和精讲。
特点创新趣味性导入、追本溯源记单词、多重维度复现单词、遗忘曲线精准练单词、深度学习记忆单词
模块每个词的呈现同中有异,包含导入、详情和练习三个主要模块。具体分为情境导入、词根溯源、语义网络图、精准释义、常见搭配、词块例句、高考链接、学后练习等方面
Unit5 高频词汇一览
concentrate v.
seek v.
measure n.
导入
详情
练习
词源
语义网络图
词汇拓展
高考链接
词块例句
concentrate
concentrate v.
concentrate [ k nsntre t] v.
导入
喝过进口果汁的同学可以注意下商标,上面往往有“apple juice concentrate; grape juice concentrate”等,那么大家知道concentrate在这里是什么意思吗?
(使)聚集于
(使)浓缩
专心;集中(注意力、思想等)
(使)集中
concentrate
基本义
一物到另一物
具体到抽象
语义网络图
精准释义
vt. (使) 聚集于;(使) 浓缩
vt. 专心;集中 (注意力、思想等)
n. [C] & [U] 浓缩物;浓缩液
concentrate (sth) on (doing) sth(使)专注于
orange juice concentrate浓缩橙汁
When we miss a night’s sleep, we find it hard the next day to concentrate and learn new information.
We must concentrate our efforts on improving education.
Italian industry is concentrated mainly in the north.
词块例句
记忆技巧:con 加强 + centr 中心;中间 + ate 使… → 使…成为中心 → 集中
词汇拓展
concentrate是由con- + center + -ate三部分构成,前缀con-的意思是together“共同;一起”,-ate是动词后缀。不难看出,concentrate的基本义是“(使) 集中; (使) 聚集于”。
concentrated adj. 浓缩的;聚集的;全神贯注的
be concentrated on (doing) sth
concentration n. [C] & [U] 集中;专心:
Concentration on your studies will result in good grades.
Driving requires total concentration.
词汇拓展
The possibility of entering into and losing such a match should concentrate the minds of computer scientists.(高考 北京卷 2017 阅读)
If Tononi's theory is right, it would explain why, when we miss a night's, we find it harder the next day to concentrate and learn new information — our brains may have smaller room for new experiences.(高考 北京卷 2017 阅读)
该词在历年高考真题中出现23次
高考链接
一、在空白处填入 1个适当的单词或括号内单词的正确形式。
1. Listening well also requires total ______________ (concentrate). (2013 江西)
2. He made a _______________ (concentrate) effort to improve work. (2011 上海)
3. When meeting a group of people, concentrate ___________ remembering just two or three names. (2009 安徽)
练习
concentration
concentrated
on
二、根据所给汉语及提示,用concentrate的词块完成句子。
1. Be quiet — let me ______________ (专注于) my homework.
2. In that country, women _______________ (集中在) a small number of occupations (职业).
3. I’m ___________________________ (集中精力于) writing a book. (effort)
练习
concentrate on
concentrate in
concentrating my efforts on
导入
详情
练习
词源
精准释义
词汇拓展
高考链接
词块例句
seek
seek v.
导入
seek [si k] v.
[魁地奇比赛中的找球手seeker]
在哈利波特的魔法世界中,最受欢迎的运动莫过于魁地奇比赛(Quidditch)。
找球手seeker在比赛中起着极为重要的作用,他们负责抓取金色飞贼(the golden snitch),往往能使自己的球队反败为胜。
词源
seek (v.)
Old English secan "inquire, search for; pursue; long for, wish for, desire; look for, expect from," influenced by Old Norse soekja, both from Proto-Germanic *sakanan (source also of Old Saxon sokian, Old Frisian seka, Middle Dutch soekan, Old High German suohhan, German suchen, Gothic sokjan), from PIE *sag-yo-, from root *sag- "to track down, seek out" (source also of Latin sagire "to perceive quickly or keenly," sagus "presaging, predicting," Old Irish saigim "seek"). The natural modern form of the Anglo-Saxon word as uninfluenced by Norse is in beseech. Related: Sought; seeking.
来自古英语 secan, 寻求,追寻,渴望,来自 Proto-Germanic * sokjan, 寻求,来自 PIE * sag, 寻求, 找出,词源同 sake,beseech.
精准释义
vt. &vi. 寻找 to look for sb/sth
vt. 寻求;谋求to try to get sth
vt.征求(建议、意见等);请求(帮助、援助等) to ask sb for sth
vi.试图;企图(attempt)
out找出;找到;挑选出;物色
(for/after) sb. /sth. 寻找某人/某物
to do sth. 试图做某事
one’s fortune寻找发财的机会
We seek to improve relations between our two countries. 我们寻求改进我们两国间的关系。
They sought advice on how to project a more positive image of their company. 他们就如何加强树立公司的良好形象征询意见。
seek不规则动词,过去式和过去分词为 sought,sought
词块例句
seek
词汇拓展
seek out 找出;找到:
We must seek out a solution to the problem.
play hide-and-seek 玩捉迷藏
seeker n [C] 寻找者;追求者:
a job seeker
seeking [构成形容词和名词]追寻/追求……的;对……的追寻/追求
a job-seeking guide 找工作指南
attention-seeking behaviour 引起他人注意的行为
One group was asked to seek out an interaction (互动) with its waiter; the other, to speak only when necessary.(高考 全国卷II 2018 阅读)
This course will provide students with the tools to seek jobs or continue studying at a post-secondary school.(高考 天津卷3月 2017 阅读)
该词在历年高考真题中出现82次
高考链接
练习
一、在空白处填入1个适当的单词或括号内单词的正确形式。
1. On a hot summer day in last August, I ________ (seek) shade and а cool drink at а waterfront café.
2. Some businesses only seek ________ (earn) enough to cover their operating costs. (2013 全国)
3. Unluckily, they ________ in vain for somewhere to shelter.
4. A job ________ (seek) is an unemployed person who is trying to get а job.
sought
to earn
sought
seeker
二、根据所给汉语完成下列句子。
5. The company ________________________ (正在试图提高) the quality of products.
6. The government __________________________ (正在寻求解决办法) to the problem of water shortage.
7. From this experience I have learnt that questioning can serve as a bridge that helps us to ________________________(寻求直理) (2015湖北书面表达)
练习
seek the truth
is seeking for а solution
is seeking to improve
三、选出下列句子中画线部分的英语释义。
a. look for b. try
c. ask for d. find out
8. How can you seek help from the Writing Centre (2014 天津)
9. A company whose profts from home markets are declining (减少) may seek opportunities abroad. (2014山东)
10. She sought out and acquired all his early paintings.
11. Local schools are seeking to reduce the dropout rate.
练习
c
a
d
b
measure
导入
详情
练习
语义网络图
精准释义
measure n.&v.
词汇拓展
高考链接
词块例句
导入
measure[ me (r)] n.&v.
中国古代 西方
重量单位 两;斤 磅 (pound) ;克 (gram);千克 (kilogram)
1磅 = 0.454千克
容积和体积单位 升;斗;石 1石 = 10斗 = 100升 品脱 (pint)(568毫升),加仑 (gallon) (4.55升)
长度单位 尺;寸 1尺 = 10寸 = 0.33米 英尺 (foot); 英寸 (inch);英里 (mile) ;码 (yard);米 (meter) ; 千米 (kilometer)
1英尺 = 12英寸 = 0.3048米;1英里 = 1.609千米
1码 = 0.9米
中西方关于度量衡 (weights and measures ) 的常见表达都有哪些呢?
以人名命名的物理单位:
力的单位:牛顿 (N) ;功的单位:焦耳 (J);频率的单位:赫兹 (Hz);电流的单位:安培 (A) ……等等
语义网络图
“测量”的单位
“测量”的标准
“测量”的结果
“测量”的方法
度量单位;计量标准
(判断的) 标准;衡量
(一定的) 量;程度
措施;办法
measure
测量
基本义
量;测量
估量;衡量
(尺寸、数量等) 量度为
n
v
精准释义
n. 度量单位;计量标准:a way of testing or judging sth: [C] [正式用语]
n.(……定的)量;程度(degree): [C] [用单数]
n. 度量单位;计量标准:[C] & [U]
n. 措施;办法an official action (step): [C] [常用复数]
vt. & vi.量;测量;
vi.(尺寸、数量等)量度为;[用作系动词][不用于进行时]
vt. 估量;衡量(assess):
take measures to do sth. 采取措施做某事
This is a well-specified action-based goal for which you can measure your success easily.(2014北京)
这是一个明确的基于行动的目标,你可以很容易地衡量你的成功。
It is so wet there that the trees are extremely tall, some measuring over 90 meters.那里非常潮湿,所以树特别高,有些高达90多米。
We are ready to help all African countries take measures to reduce the risks of H5N1.我们准备帮助所有的非洲国家采取措施降低H5N1型病毒的风险。
词块例句
派生词
measurement /‘me ment/ n. [U]测量;衡量;[C][常用复数]尺寸
make … to sb’s own measure根据某人的尺寸给某人做
take sb’s measurements 给某人量尺寸
Measurement of blood pressure can be undertaken by practice nurses.测量血压可以由实习护士完成。
词汇拓展
This smart keyboard precisely measures the cadence (节奏) with which one types and the pressure fingers apply to each key.(高考 广东卷 2019 阅读)
This nature of data makes the antitrust measures of the past less useful.(高考 江苏卷 2017 阅读)
该词在历年高考真题中出现56次
高考链接
一、完成句子
1. The room measures 10 metres across(宽10米).
2. The assistant took my measurements(给我量尺寸) and showed me what was available in my size.
3. Personally, I'm against the measure of paying students(付钱让学生学习的办法).(2010广东书面表达)
4. They call on people and the government to take measures to reduce pollution(采取措施减少污染). ( 2014天津改)
练习
二、单句语法填空。
1、They finished ________________ (measure) that piece of land last week. (2005全国江苏)
measuring
练习