Unit 6 Earth first 课件 2025-2026学年高中英语外研版必修第二册

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Unit 6 Earth first 课件 2025-2026学年高中英语外研版必修第二册

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(共27张PPT)
问题引听
分层跟读
靶向精讲
We see a woman swimming at night in a dark sea. Suddenly, she is pulled 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 a great success, attracting huge audiences and winning many awards. It strengthened people’s long-held idea of the great white shark as a dangerous animal.
1
声动课堂
Declaim
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
SHARKS: DANGEROUS OR ENDANGERED
1
声动课堂
Declaim
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
完形填空专练
SHARKS: DANGEROUS OR ENDANGERED
We see a woman at night in a dark sea. Suddenly, she is pulled underwater. She surfaces, in fear, then disappears forever. This is the opening scene from the 1975 film Jaws, a shark attack. It tells the story of a great white shark attacks and kills swimmers. Jaws was a great , attracting huge audiences and winning many awards. It strengthened people’s long-held idea of the great white shark as a animal.
People have always been scared of sharks, but Jaws made things worse. 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 that ate humans. Some people stopped swimming in the sea, afraid of the
声动课堂
Declaim
2
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
问题引听
分层跟读
靶向精讲
SHARKS: DANGEROUS OR ENDANGERED
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 killed.
声动课堂
Declaim
2
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
完形填空专练
SHARKS: DANGEROUS OR ENDANGERED
People have always been scared of sharks, but Jaws made things . It made people of sharks, especially of the great white shark. Many people saw the film started to believe that sharks were bad animals that humans. Some people stopped in the sea, afraid of the
horrible creature from the film. Other people started fishing for sharks, as many as they could. At that time, nobody cared if sharks were killed, or how many were killed. People just wanted them .
问题引听
分层跟读
靶向精讲
声动课堂
Declaim
3
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
SHARKS: DANGEROUS OR ENDANGERED
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 are caught and their fins cut off. The sharks are thrown back into the sea where they die slowly and painfully. The fins are used in shark fin soup. Finning kills millions of sharks a year.
声动课堂
Declaim
3
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
完形填空专练
SHARKS: DANGEROUS OR ENDANGERED
After 1975, the number of large sharks around America fell , and soon fell around the world. This was not only to fear of sharks, but also finning. is a type of fishing where sharks are caught and their fins cut off. The sharks are thrown back into the sea they die slowly and . The fins are used in shark fin . Finning kills millions of sharks a year.
问题引听
分层跟读
靶向精讲
声动课堂
Declaim
4
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
SHARKS: DANGEROUS OR ENDANGERED
Finning would have an unexpected effect upon Peter Benchley, the man who wrote the book the film Jaws was based on. In 1980, Benchley was diving 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 as a danger to sharks, rather than the other way round. From that day on, he fought to protect sharks. He admitted that his book was wrong about sharks’ behaviour. “Sharks don’t target humans,” he said. Experts have proved that sharks do not see people as food, and they attack us by mistake. Only around six people are killed by sharks every year.
声动课堂
Declaim
4
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
完形填空专练
SHARKS: DANGEROUS OR ENDANGERED
Finning would have an unexpected upon Peter Benchley, the man who wrote the book the film Jaws was based on. In 1980, Benchley was diving when he came across an sight. It was an area where fishermen were , and the sea floor was covered with dead sharks. Benchley saw sharks being killed and this caused a deep in him. He came to see people as a danger to sharks, rather than the other way round. From that day on, he fought to sharks. He admitted that his book was wrong about sharks’ behaviour. “Sharks don’t humans,” he said. Experts have proved that sharks do not see people as food, and they attack us by . Only around six people are killed by sharks every year.
问题引听
分层跟读
靶向精讲
声动课堂
Declaim
5
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
SHARKS: DANGEROUS OR ENDANGERED
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 than ever want to protect them from extinction.
声动课堂
Declaim
4
以读促悟、以悟促说
Query - Imitate - Elaborate 三段法
语法填空专练
SHARKS: DANGEROUS OR ENDANGERED
(fortunate), not everyone who (watch) the film Jaws became afraid of sharks—some became interested in (understand) them. Today, as we learn more about (shark), more people than ever want to protect them from (extinct).
重点
知识
图谱
scare v.
scare sb into doing sth 恐吓某人做某事
scare... away/off 把…… 吓跑
scared adj.
be scared to death 吓得要死
be scared of (doing)... 害怕 (做)……
be scared to do sth 不敢做某事
重点
知识
图谱
devote vt.
devote...to... 把…… 奉献给……
devote oneself to (doing) sth 致力于 (做) 某事;献身于 (做) 某事
devoted adj.
be devoted to (doing) sth 专心于 (做) 某事;致力于 (做) 某事
微提醒: devote... to... 中的 to 为介词,后跟名词或动词 - ing 形式等。类似用法的短语有 look forward to、object to、pay attention to、be used/accustomed to 等
重点
知识
图谱
affect vt.
be deeply affected/moved/touched by... 被…… 深深打动 / 影响
be affected with 感染…… 疾病
have an effect/influence on/upon 对…… 产生影响
重点
知识
图谱
permit vt.& vi.
permit+n./pron./doing 允许……
permit sb to do sth 允许某人做某事
permission n.
ask for permission 请求许可
with/without sb's permission 得到某人的允许 / 未经某人的许可
微提醒:Weather permitting 为独立主格结构,在句中作条件状语,相当于条件状语从句 If weather permits。类似的结构还有 circumstances/conditions/time permitting
重点
知识
图谱
major
vi.
major in 主修
adj.
major role/part/factor 重要作用 / 因素
majority n.
in the majority 占大多数
the majority of 大多数……
重点
知识
图谱
amount
n.
a large/small amount of 大 / 少量的
large/small amounts of 大 / 少量的
in large amounts 大量地
the amount of... …… 的数量
vi.
amount to 合计;共计;等于;相当于
微提醒:an amount of、amounts of 通常修饰不可数名词,其修饰的名词作主语时,谓语动词的数通常根据 amount 的单复数而定
重点
知识
图谱
contribute v.
contribute to 有助于;促成;导致;为…… 做贡献 (to 为介词)
contribute... to/towards... 向…… 捐献……; 给…… 撰稿
contribution n.
make a contribution to/make contributions to 对…… 做出贡献
重点
知识
图谱
其他与 cut 有关的短语
cut across 抄近路穿过;取捷径通过
cut back on 缩减;削减
cut down 砍倒;削减;减少
cut in 插嘴;超车
cut into halves/pieces 切成两半 / 碎块
cut up 切碎
cut out 剪除;删除
重点
知识
图谱
① The electronic waste stream is increasing three times faster (fast) than traditional garbage as a whole.
② The new stadium being built for the next sports meeting will be three times the height (high) of the present one.
③ 现在,我们新学校的面积是十年前的四倍大。(一句多译)
→Now our new school is four times as large as what it was ten years ago.(倍数+as+形容词+as)
→Now our new school is three times larger than what it was ten years ago.(倍数+形容词比较级+than)
→Now our new school is four times the size of what it was ten years ago.(倍数+the+名词+of)
常见的倍数表达句型
A+be + 倍数 + as + 形容词 / 副词 + as+B
A+be + 倍数 + 形容词比较级 / 副词比较级 + than+B
A+be + 倍数 + the + 计量名词 (size/weight/length/...)+of+B
A+be + 倍数 + what 从句
重点
知识
图谱
1. [2022·新高考Ⅰ卷]An essay not submitted in class on the due date will lose a letter grade for each class period it is late.adj.到期的
2. (China Daily)The total compensation claims from car damages to losses of crops have amounted to 6.24 billion yuan.v.总计;共计
3. The presentation of food can be as important as the taste.n.外观
4. As the economy opened up to the outside world, companies flooded into China to build factories.v.大量涌入
熟词生义
重点
知识
图谱
C
B
D
A
一词多义
①After the release of the movie, numerous interpretations emerged on social media platforms.
②The kind girl decided to release the bird from the cage.
③The factory keeps releasing smoke, making the air dirty.
④Of the new releases that are out there now, which do you think are really good
⑤The new film will be released on July 16 in the downtown cinema.
release
A.vt.排放 B.vt.上映 C.vt.放出;放走 D.n.发行;发布 E.n.发行物
B
B
E
重点
知识
图谱
D
B
C
一词多义
①The Chinese coach transformed Douglas into one of the best gymnasts in the world, helping her skyrocket from an average member of the national team to the top of the sport.
②Drivers in London can expect to average about 12 miles per hour.
③According to the statistics, on average, a person produces about 2 kilograms of garbage per day.
④The age of the candidates ranged from 29 to 49 with an average age of 37.
average
A.n.平均水平 B.v.平均为 C.adj.平均的 D.adj.普通的;平常的;一般的
A
SHARKS: DANGEROUS OR ENDANGERED
During a lecture which highlighted the major problems we face today, the presentation of a slide of a shark fin made audience present 1. (scare), which showed that ocean life was in danger of extinction and ecosystem was severely damaged due 2. too much hunting and cruelty. Apart from this, the release of carbon, smog and fog contributed to greenhouse effect and led to droughts and floods, 3. affected us greatly. Fortunately, concerned people have been urged 4. (adopt) a serious attitude and take some measures to restore a sustainable environment. For example, many 5. (reserve) are established so that the staff can take good care of wildlife there. Besides, renewable energy sources such as solar power and 6. (reuse) appliances are used to reduce the amount of electricity used. With 7. (permit), a majority of campaigns are held frequently. For instance, brochures 8. (hand) out, telling us it is necessary to remove plugs of appliances at home or in the canteen 9. not in use.
All in all, it is high time that we human beings 10. (devote) ourselves to environmental protection.
平板作业
课文语篇填空
scared
to
which
to adopt
reserves
reusable
permission
are handed
when/if
devoted/should devote
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