视频简介：

设计教师：王昕
教学年级：高中二年级
课题名称：选择性必修四 Unit 3 Vocabulary Study
教材版本：人教版 2019
Unit 3 Sea Exploration vocabulary study
想想猜猜
Which “word” am I?
Search for the origin of life
Enter the mysterious world
Add to great biodiversity
关联热身 Pioneer Practice
Zheng He The Silk Road
past
The Belt and Road Initiative
now
Jiaolong Submersible
Sea exploration
Words to describe sea: vast, broad, wide, grand, magnificent, stormy,
mysterious...
读读记记
set sail a mixture of
extend coverage
negotiate applaud
in a league of one’s own meanwhile
withdraw exploit
a sight to behold possession
bond mercy
in hand
词汇探究
1. extend vt. 扩展；使伸长；延长
词块互译
extend the trading route along the coasts of the Indian
Ocean________________________
延长最后期限____________________________

extend the hand of friendship to another country _________________________
加深我们对海洋的了解_____________________
2. negotiate vt. 达成（协议）
vi.谈判；协商
negotiate trade deals 达成贸易协定
negotiate with sb on/about sth 与...就..协商
be under negotiation 在商议中
语境助记
The researchers _________(negotiate) ______whether the sea exploration should be
further conducted and the issue is still __________(在商议中).There is no
_________(negotiate) as for environmental protection.
3. withdraw vt.&vi. (使)撤回；撤离
withdraw-withdrew(pt.)-withdrawn(pp.)
withdraw from 退出；撤回
withdraw money 提钱
语境助记
Ellen is a straightforward man, but for some reasons, he __________(withdraw)
from the society for ages and he didn’t even know how to __________(取钱) from the
bank.
4. in hand 在手头；可供使用
英译汉
With the latest technology in hand, the need to trade and the desire to enhance
relationships will drive China to reach out across the sea far into the future.
___________________________________________________________________________________
______
仿一仿
由于拥有了先进知识，在发展的必要性和探索海洋的愿望的驱动下，科学家们将进一步加深对海
洋的了解。
___________________________________________________________________________________
_________
5. applaud vt.&vi. 鼓掌 vt.称赞
applause n.
applaud sb 为...鼓掌，欢呼
applaud sth 为...喝彩
applaud sb for sth 因...称赞...
语境助记
We rose _________(applaud) the actors _____ their brilliant performance in the end,
and the _______(applaud) lasted for a handful of minutes.
6. meanwhile adv. 与此同时；（比较两方面）对比之下
微续写
P1.Sea is now suffering. Overfishing has been destroying the balance of sea life
in decades. Meanwhile,
________________________________________________________________________________.

P2.Sea pollution can be extremely damaging to ocean environment. Appropriate
restrictions on pollution, meanwhile,
_________________________________________________________________________________.
7. exploit vt.开发；利用；剥削
赏句猜义
He exploited his father’s name to get himself a job.
They exploited employees by making them work long hours for low wages.
She fully exploits  the humor of her role in the play.
No minerals have yet been exploited in Antarctica.
8. mercy n. 仁慈；宽恕；恩惠
英译汉
I applaud your advice that we should learn to show mercy to/have mercy on sea
creatures. There was a time when
some endangered animals were killed without mercy. To be exact, animals are at
the mercy of  human beings.
___________________________________________________________________________________
________
9. possession n.拥有；控制
(usually pl.) possessions 财产
possess sth 拥有
be in possession of sth 拥有
be in the possession of sth 由...拥有
一句多译
广阔的海洋拥有很多物种。
1.
2.
3.
语用提能
层级一
释词猜义
______A connection between people
______To make something longer and larger
______To reach an agreement by discussion
______To stop taking part in an activity
______A level of quality, ability, etc
______The state of owning something
______A kind attitude towards somebody you have the ability to harm
______A combination of different things
______Reporting in newspapers or on television
层级二 句式升级
用 set sail, negotiate, exploit, meanwhile, extend, coverage 升级句式
Notice
A lecture about oceans is scheduled to be held on Friday afternoon in the
school hall. The lecture will involve the following aspects.

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