人教版（2019）选择性必修第四册Unit 3 Sea Exploration Section B&C单词详解课件(共27张PPT)

(共27张PPT)
UNIT3 SEA EXPLORATION
SectionB/C 单词详解
laptop
lap,大腿，top,上面。引申词义笔记本电脑。
loptop pouch 手提电脑袋
But luckily, my laptop was there.
但幸运的是，我的笔记本电脑在那里。
coverage
cover v..覆盖;n.封面，封皮；盖子
news coverage 新闻报道
live coverage 现场报道
forest coverage rate 绿地覆盖率
Now a special TV network gives live coverage of most races.
现在一个专门的电视网对大多数比赛进行现场报道。
press conference
launch press conference 开发布会
The President will be giving a press conference this afternoon.
总统今天下午将举行记者招待会。
applaud
applaud sb 赞扬某人;赞美某人
I applaud her for having the courage to refuse.
我赞赏她敢于拒绝。
He started to applaud and the others joined in.
他开始鼓掌，其他人也跟着鼓起掌来。
tax
v. 对……征税;使纳税
He declared his aim was to tax the rich.
他宣布他的目的是向富人征税。
n.税;税款(+on)
raise/cut taxes 增加/削减税收
tax increases/cuts 税款的增加/削减
changes in tax rates 税率的变化 avoid/escape taxes逃税
profits before/after tax 税前/税后利润
a tax on cigarettes 香烟税
Our company pays taxes on a regular basis and never escapes taxes
我们公司定期纳税,从不逃税。[词汇复现]
manned
manned spacecraft 载人飞船
In thirty years from now the United States should have a manned spacecraft on Mars.
从现在开始30年内，美国会把载人航天器送上火星。
submersible
submersible pump 潜水泵
manned submersible 载人潜水器；载人潜水艇
To do this, he designed a completely different submersible.
为此，他设计了一种完全不一样的潜水艇。
underwater
underwater explosion 水中爆炸
underwater swimming 潜泳
They could stay long underwater.
它们可以在水下待很长时间。
capsule
space capsule 太空舱;航天舱
You are asked to swallow a capsule containing vitamin B.
你被要求吞下一颗含维生素B的胶囊。
coral
coral reef 珊瑚礁
Coral Sea 珊瑚海
Although the coral looks hard, it is very delicate.
虽然那珊瑚看起来坚硬，它其实非常易碎。
migration
migrant 移居的；流浪的
migrator 移居者；候鸟
bird migration 鸟类迁徙
They have led some birds to give up on migration.
它们导致一些鸟类放弃迁徙。
directory
directory name 目录名称
file directory 文件目录
This command deletes files from the directory.
这一指令把文档从目录中删除。
meanwhile
搭配:in the meanwhile (= in the meantime)在此期间，与此同时
.My brother is watching a flock ofbirds. Meanwhile, I am taking photos.
我哥哥在观察一群鸟。与此同时，我在拍照。
I hope to go to medical school eventually.In the meanwhile,I am going to study chemistry.
我希望最终能上医学院。在此期间，我打算学化学。
exploit
He exploited his father's name to get himself a job.
他利用他父亲的名声为自己找到一份工作。
She fully exploits the humour of her role in the play.
她在剧中把她那个角色的幽默发挥得淋漓尽致。
gallon
My car gets 35 miles to the gallon.
我的车一加仑油能跑35英里。
murder
mass murder 大屠杀
murderer 凶手；谋杀犯
He was jailed for life for murder.
他因谋杀罪被终身监禁。
mercy
without mercy残忍地，毫不留情地
show mercyto sb.宽恕/怜悯某人
have mercy on sb.宽恕/怜悯某人
ask/begformercy请求/乞求宽恕
at the mercyof任……处置;任由……摆布
It's a mercy (that) … 幸运的是……
.The hunter felt very guilty, because he had killed some wild animals without mercy.
这位猎人感到很内疚,因为他曾残忍地杀害一些野生动物。
possession
He had sold all his possessions and lived in the flour mill.
他变卖了所有财产，住在面粉厂里。
take possession of 拥有，占有(动词短语)
inpossession of 拥有，占有(介词短语)
( in the possession of/in one’s possession 为……所拥有.
The venue is in the possession of Tom.
这个场地为汤姆所有。
=Tom is in possession of the venue.
汤姆拥有这个场地。
possess vt.拥有;具有;支配,控制
·She has been dreaming of possessing such a grand house
她一直梦想着拥有这样一个大房子。
【归纳拓展】
in control of 控制 in charge of负责
in the controlof在……的控制下 (in the charge of由……负责
opponent
Her opponent called her a liar to her face.
她的对手当着她的面叫她骗子。
log
log in 登入；登陆
log out 注销；退出系统；退出
like a log 象木头一样不动；
log cabin n. 小木屋
log book 航海日志；记录簿；值班日记
marine
marine park 海岸公园；海洋公园
marine environment 海洋环境
marine animal 海洋动物，海洋生物
One lesson is to avoid unbalancing the marine environment.
一个教训就是要避免海洋环境失去平衡。
arrest
n.逮捕;拘留;中止
be under arrest
逮捕
place/put sb.under arrest
逮捕某人(=arrest sb.)
put sb.under house arrest
软禁某人
.While fetching something important, she was placed/put under arrest.
她去取重要东西时被逮捕了。
(2)vt.逮捕;拘留;阻止;吸引(注意)
arrest sb.for sth.因某事逮捕某人
搭配·David was arrested by the police and sent into prison before long
戴维被警察逮捕，不久以后被送进了监狱。
I was stunned by the news that the police arrested her for drunk driving.
当我听到警察因她酒后驾车而逮捕她的消息时，我震惊了。
The treatment has so far done little to arrest the spread of the cancer
到目前为止，这种疗法在阻止癌症扩散方面收效甚微。
单词拼写
1.Look up their number in the telephone_______________(电话号码簿).
2.We drank___________(加仑) of coffee to keep ourselves awake.
3.They showed no ______________(仁慈)to their enemies.
4.The_______________(拥有)of large amounts of money does not ensure happiness.
5. He twice knocked down his___________(对手) in the early rounds of the fight.
6.Details of the crime are then__________(记录)in thecomputer.
7.__________(海洋的)biologists are concerned about the effects of untreated sewage that is flowing into coastal waters.
directory
gallons
mercy
possession
oppponent
logged
Marine
THANKS