Unit 6 Earth first 词汇复习课件(共24张PPT)外研版（2019）必修第二册

(共24张PPT)
2026 高三一轮复习
词汇复习
Unit 6 Earth first
话题： 人与自然
SHARKS: DANGEROUS OR ENDANGERED
We see a woman __________ (swim) at night in a dark sea. Suddenly, she __________ (pull) underwater. She surfaces, cries in fear, then disappears forever. This is the opening scene from the 1975 film Jaws, showing a shark attack. It tells the story of a great white shark that attacks and kills swimmers. Jaws was __________ great success, __________ (attract) huge audiences and winning many awards. It strengthened people’s long-held idea of the great white shark as a dangerous animal.
swimming
is pulled
a
attracting
People have always been scared of sharks, but Jaws made things __________ (bad). It made people frightened of sharks, especially of the great white shark. Many people who saw the film started to believe that sharks were bad animals __________ ate humans. Some people stopped swimming in the sea, afraid of the horrible creature from the film. Other people started fishing for sharks, killing as many as they could. At that time, nobody cared if sharks were killed, or how many were killed. People just wanted them __________ (kill).
worse
that
killed
After 1975, the number of large sharks around America fell quickly, and soon fell around the world. This was not only due to fear of sharks, but also finning. Finning is a type of fishing where sharks __________ (catch) and their fins cut off. The sharks are thrown back into the sea __________ they die slowly and painfully. The fins are used in shark fin soup. Finning kills millions of sharks a year.
are caught
where
Finning would have an unexpected effect __________ Peter Benchley, the man who wrote the book the film Jaws was based on. In 1980, Benchley __________ (dive) when he came across an awful sight. It was an area where fishermen were finning, and the sea floor was covered with dead sharks. Benchley saw sharks being killed and this caused a deep change in him. He came to see people ________ a danger to sharks, rather than the other way round
on / upon
was diving
as
From that day on, he __________ (fight) to protect sharks. He admitted that his book was wrong _________ sharks’ behaviour. “Sharks don’t target humans,” he said. Experts have proved that sharks do not see people as food, and they attack us __________ mistake. Only around six people are killed by sharks every year.
fought
fought
by
Fortunately, not everyone who watched the film Jaws became afraid of sharks — some became interested in understanding them. Today, as we learn more about sharks, more people __________ ever want to protect them from extinction.
than
scare v. 使（某人）惊恐，吓唬（frighten）→scared adj. 害怕的（frightened/afraid） →scary adj. 吓人的
scare sb. away/off 把某人吓跑；be scared of 害怕
2. due to 由于，因为
due 预期 expected
Their first baby is due in January.
他们的第一个孩子预产期在一月份。
到期
when a sum of money is due , it must be paid immediately
适当的 suitable/right/proper
We accorded the boy due praise.
我们给了孩子适当的表扬.
in due course 在适当的时候；到一定的时候
3. dive(dived/dove; dived) v.潜水;冲向；全身心投入→diver n. 潜水员→ diving n. 潜水运动
go diving 去潜水；dive into 跳入；投入
4. target v. 把…… 作为目标
target market 目标市场；set a target 设定目标
5. fortunately adv. 幸运地→fortunate adj. 幸运的→ fortune n. 运气；财富 → unfortunately 不幸地
fortunately for sb. 对某人来说幸运的是
6. extinction n. 灭绝，绝种→ extinct adj. 灭绝的
risk of extinction 灭绝风险；bring sth. to extinction 使某物灭绝
7. advocate v. 拥护; 主张; 鼓吹 n.拥护者; 辩护律师
advocate sb doing sth
advocate that ···(should) do sth
8. attitude n.看法，态度
attitude towards 对…… 的态度
9. devote v. 致力，献身，倾注→ devoted adj. 忠诚的；挚爱的→ devotion n. 奉献；忠诚
devote oneself to 致力于；
devote time/money/energy to sth. 把时间 / 金钱 / 精力投入到某事
10. ocean n. 海洋，大海→ oceanic adj. 海洋的；大海的
11. highlight v. 使…… 突出，使注意力集中
12. cruelty n. 残忍→cruel adj. 残忍的→ cruelly adv. 残忍地
13. hunting n. 打猎→ hunt v. 打猎；搜寻 → hunter n.猎人
hunting ground 狩猎场
14. presentation n. 报告,说明,颁发→ present v. 呈现adj. 出席的；现在的
15. reserve n.保护区；储备；含蓄（shyness）v. 预订；保留→reserved adj. 保留的；矜持的 →reservation n.保留，预定
keep sth in reserve 储备；备用
16. staff member 员工
17. establish v. 建立→ establishment n. 建立；机构→ established adj. 已建立的；既定的
18. damage v. 破损(destroy; ruin; spoil)； n. 损害；损失 → damaged adj. 受损的 cause damage to 对…… 造成损害
19. drought - stricken area 干旱灾区
20. flood n. 洪水v. 淹没；泛滥→flooded adj. 洪水泛滥的
floods of 大批；大量
21. affect v. 影响→affection n. 喜爱；感情→ affected adj. 受影响的；假装的
22. supply n. 供应，生活必需品，补给品； v. 供应；提供→ supplier n. 供应商
supply and demand 供求；water supply 供水
23. restore v. 使恢复→ restoration n. 恢复→ restored adj. 恢复的；修复的
restore order 恢复秩序；restore to health 使恢复健康
24. adopt v. 采取→adoption n. 采用；收养→ adopted adj. 收养的；采用的；移居的（one’s adopted country 某人的移居国）
adopt a strategy 采取策略 反义词：abandon 放弃
25. sustainable adj. 可持续的，不破坏环境的→ sustain v. 维持；支撑（bear）；遭受（suffer）→ sustainability n. 可持续性 → unsustainable 不可持续的
sustainable energy 可持续能源
26. renewable adj.（能源）可更新，可再生的→ renew v. 更新；续借→ renewal n. 更新；恢复
27. carbon dioxide 二氧化碳；carbon footprint 碳足迹
28. greenhouse effect 温室效应；greenhouse gas 温室气体
29. reusable adj. 可再度（多次）使用的→reuse v. 再利用→reusability n. 可再用性
30. travel brochure 旅游手册
31. reduce v. 减少；降低→reduction n. 减少；降低
reduce to遭受 （常用于被动）
reduce waste 减少浪费；reduce to 减少到
she was reduced to tears by their cruel words
reduced to ruins 沦为废墟
32. solar energy 太阳能
33. release v. 释放，发布； n. 释放；发行
release carbon dioxide 排放二氧化碳
34. smog n. 烟雾，雾霾
35. fog n. 雾foggy → adj. 有雾的；模糊的
dense fog 浓雾；in a fog 困惑不解
36. severe adj.很严重的→severely adv. 严重地；严格地→ severity n. 严重；严格
severe weather 恶劣天气；severe illness 重病
37. infection n. 感染，传染病→infect v. 感染→ infectious adj. 传染性的
38. lecture n.讲座v. 讲课；教训
give a lecture 做讲座；attend a lecture 听讲座
39. permission n. 允许→ permit v. 允许→ permissible adj. 可允许的 with permission 经许可；without permission 未经许可
40. interrupt v.打断；打扰；中断→interruption n. 打扰；中断
41. slide（slid; slid） v. 滑动；滑行 n. 幻灯片
slide into 不知不觉陷入;悄悄移动 on the slide 每况愈下
What’s really green
Most of us are aware __________ we must take care of the environment, and the __________ (major) of us take steps to save energy and reduce waste and pollution. But recently, some “green truths” __________ (show) to be only half true, or even completely false. Here are some common ones. Which are really green
that
majority
have been show
Paper shopping bags are better than plastic ones
Plastic bags cause litter and are a danger __________ wild animals, which mistake them __________ food. It takes hundreds of years for plastic to break down, but much ________ (little) time for paper. Because of this, people think paper bags are the better environmental choice.
to
for
less
However, making a paper bag uses four times as much energy __________ making a plastic bag and up to three times the amount of water. The process also produces __________ (much) greenhouse gases.
as
more
In fact, both kinds of bags are bad for the environment. So, take a __________ (reuse) bag with you when you go shopping.
When you turn off a device, it stops using power.
When we turn off a device, such as television, it goes into stand-by mode. Devices in this mode still use power, and older devices in stand-by mode can use even ___________ (much). This happens because electricity continues to leak from the device, even when it is turned “off”. To make sure your appliance is in fact off, remove the plug __________ its power supply.
reusable
more
from
Eating local food is good for the environment.
It seems like common sense: eating local food should be better for the environment, because it does not need to __________ (transport) long distances and kept cold during transport. Unfortunately, it is not that simple. It is the __________ (produce) of food, not its transport, ________ uses most of the energy and produces most of the greenhouse gases. In some cases, local produce might have used more energy and produced more greenhouse gases __________ produce __________ (grow) a long way away — even taking into account its transport.
be transported
production
that
than
grown
It’s better to take a shower than a bath.
It depends on how long you spend in the shower and how large your bath is. If you spend more than eight minutes in a shower, you’ll use as much water as in a bath — about 50 litres of water. Therefore, the key is to keep your shower time as short as possible.
Environmental __________ (aware) is now part of daily life. But it’s worth __________ (check) common ideas and opinions __________ (see) what’s really green.
awareness
checking
to see
1. majority n. 多数→ major adj. 主要的→ minority n. 少数
the majority of 大多数；in the majority 占多数
2. false adj. 错误的→falsely adv. 错误地；虚假地→ falsity n. 虚假；错误
false information 错误信息；false alarm 虚惊一场
3. amount n. 数量，数额
a large amount of 大量的；amount to 总计；等于
4. electronic device 电子设备
5. stand – by adj. 备用的 stand by 待命；袖手旁观
6. operation mode 运行模式；in standby mode 在待机模式
7. electricity n. 电→ electric adj. 电的；用电的→ electrical adj. 与电有关的→ electrician n. 电工
8.leak n.泄露；v.（使）漏
9. heat n. 热，热量 v. 加热；使变热→heated adj. 热的；激烈的
10. household appliance 家用电器
11. remove v. 移走，去掉，免职→ removal n. 移动；去除→ removed adj. 远离的；隔代的
remove sth. from 从…… 移走某物；remove obstacles 排除障碍
be far removed from 远离；与···大相径庭
12. plug n.（电）插头v. 插入插头；堵塞
13. take...into account 把…… 考虑进去
14. campaign n. 活动 v. 参加运动；发起运动
15. urge v. 竭力主张（desire），敦促→ urgency n. 紧急→ urgent adj. 紧急的；迫切的
urge sb. to do sth. 敦促某人做某事
urge that ···(should) do sth
16.canteen n.餐厅
17. concerned adj. 焦急的，有关的→ concern n. 关心；担忧；v. 涉及；使担心→ unconcerned 不关心的
be concerned about/for 担心； be concerned in/with 与···有关；关注··· concerned citizen 关注此事的公民
18. contribute v. 造成→ contribution n. 贡献；捐献→ contributor n. 贡献者
contribute to 有助于；促成；contribute sth. to sth. 把某物捐献给某物
19. average adj. 普通的，一般的 n. 平均数 v. 平均为
on average 平均；average person 普通人