人教版（2019）高中英语选择性必修第二册 Unit5 First Aid 词汇精讲课堂课件（一）(共22张PPT)

(共22张PPT)
词
汇
课
堂
版本：新人教 单元：选择性必修二 Unit 5
重难点词
delay
词族
elderly
辨析义
搭配义
interrupt
electric
一词多义
wrap
一词多义
swallow
一词多义
organ词族
electric adj
［常用于名词前］电的；电动的；用电的 producing or using electricity：
an electric iron / fan / light
令人激动的：
The atmosphere here is electric.
同族词: electric, electrical, electrically, electrician, electricity
词汇拓展
electrical adj 电气科学的；与（用）电有关的 of or about electricity：
an electrical engineer
It’s OK to leave an electrical appliance on so long as you are using it — if not, turn it off!
electricity n [U] 电；电学；电流：
cut off electricity
make / produce / generate electricity
turn on / off electricity
swallow
看图猜词义
swallow
吞下；咽下
swallow v
vt & vi 吞下；咽下：
He put a grape into his mouth and swallowed it whole.
vt 抑制：
I swallowed my pride and asked someone at the stop for help. 2012 广东改
swallow up 吞没；淹没；吞并；用尽：
The smog swallowed up the whole city.
n [C] 燕子：
One swallow doesn’t make a summer.
同形异义词
swallow 的动词释义“吞下”“咽下”来源于swelgan（咽下）；名词释义（燕子）来源于swealwe（燕子）。
swallow 语义网络图
吞咽
swallow v
基本义
吞咽食物等
吞下；咽下
抑制
吞；咽
n
吞咽感情等
一物将另一物
吞咽
吞没；淹没；吞并
wrap vt
（用……）包；裹：
I’d like to wrap (up) Christmas presents in pretty paper.
Zongzi are wrapped in bamboo leaves.
（用……）缠绕；围住：
He wrapped a scarf around his neck.
词汇拓展
wrapping n [C] & [U] 用于包装的材料
elderly
高考链接
根据所给汉语，用适当的词块完成句子。
When it was time for the volunteers to leave, the ________________（老年人）thanked them for their kindness. （2009 浙江）
old people
elderly people
elderly 比 old 更正式、更委婉
elderly 构词解读：elder (older) + -ly
elder
adj［只用于名词前］年龄较大的；年长的：
an elder brother / sister
n [C]
［用单数］［正式用语］年龄较大者：
He is her elder by several years.
［用复数］长者；长辈：
the village elders
elderly adj［委婉用语］（人）较老的；上了年纪的：
All were very happy with those unexpected gifts, especially little kids and elderly people. 2016 北京书面表达
Chongyang, the traditional Chinese festival for the elderly, is coming around.
选出适当的单词，并用其正确形式填空。
old, elderly
1. She’s getting _________ — she will be 75 next year.
2. When their children lived far away from them, these _________ people felt cut off from the world.（2016 浙江）
3. The association（协会）is advising the pregnant women, the very young and the _________ to avoid such foods.
old指年老的、年纪大的；elderly比old更正式，是old的委婉语，指年纪较大的、上了年纪的。
析
辨
old
old / elderly
elderly
delay
n [C] & [U] 耽误；延误；推迟：
Too many orders on 11th November caused a delay in delivery.
After a long delay, the plane finally took off.
Please send him the urgent information without delay (= immediately).
vi & vt 耽误；延误；推迟 (put off)：
You’ll lose your chance if you delay.
My flight was delayed because of the heavy rain.
delay doing sth:
He delayed telling her the news, waiting for the right moment.
interrupt v
vt & vi 打断；打扰 ：
Don’t interrupt the speaker; ask your questions afterwards.
I’m sorry to interrupt, but there’s something important I have to tell you.
vt 中断；阻断：
Traffic was interrupted by floods.
词汇拓展
interruption n [U] & [C] 打扰；中断
from inter-（between 在……中间）+ rupt（to break 破），“在中间破入”即“打断”“中断”。
interrupt 词源
organ 词族
organ（器官 / 人体组织）+ -ise（使……化）→ organise 使有组织地运行，引申为“组织”
organ
organic adj 有机的
organised adj 有组织的；有条理的
organisation n 组织
organiser n 组织者
organism adj 生物；有机体
reorganise v 重新组织
organise v 组织
随堂检测
一、写出下列句子中画线部分的汉语释义。
1. You should never join an electric wire to a water pipe. ___________
2. He got an electric shock from one of the wires. ___________
3. The atmosphere in the room was very electric. ___________
二、在空白处填入括号内单词的正确形式。
1. Their inventions have contributed to the development of ____________ (electric) engineering.
2. The wind farm may be able to generate enough ____________ (electric) for 2,000 homes.
电线
触电
紧张的
electric
electrical
electricity
写出下列句子中画线部分的汉语释义。
1. Jamie’s always had trouble swallowing pills. ___________
2. She swallowed her anger and turned to face him. ___________
3. Hundreds of small companies have been swallowed up by these huge companies. ___________
4. Swallows begin their migration south in autumn. ___________
swallow
吞下
抑制
吞并
燕子
写出下列句子中画线部分的汉语释义。
1.The present was beautifully wrapped in gold paper. ___________
2. Ella wrapped a thick coat around her shoulders. ___________
3. The boy wrapped his arms around his mother’s waist. ___________
4. She told them to wrap up warm. ___________
包
围
搂
wrap
穿暖和点
delay
一、根据所给汉语，用适当的词块完成下列句子。
1. ____________________（长时间的延误）are predicted on the motorway because of the accident.
2. The situation needs to be dealt with ____________________（立即）.
二、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. There has been a delay __________ the book’s publication.
2. He delayed __________ (tell) the news, waiting for the right moment.
Long delays
without delay
in
telling
写出下列句子中画线部分的汉语释义。
1. She tried to explain what had happened but he kept interrupting her.
___________
2. Sorry to interrupt, but there’s someone to see you. ___________
3. We had to interrupt our trip when we heard John’s mother was ill.
___________
打断
对不起打扰一下
中断
interrupt
谢
谢
观
赏