北师大版（2019）必修第二册Unit5 Humans and nature Topic Talk 课件 （29张）

(共29张PPT)
Unit 5 Humans and Nature
Topic Talk
Learning
Objectives
01
02
03
1. To listen, read and learn words and expressions related to humans and nature.
2. To express your understanding of the relationship between humans and nature.
3. To use langauage you have learnt to write a passage about the relationship between humans and nature.
第一课时
预习评价
1. landscapes 2. be covered with ____________________
3. private __________________ 4. percent of ____________________
5. amazing _____________ 6. climate change ______________________
7. definitely ________________ 8. the greenhouse effect_____________
9. obvious ___________________ 10. suffer from _________________
11. worrying ___________________ 12. levels of pollution ___________________
风景，景色；乡村风景图
被覆盖
私人的
......的占比
令人惊奇的是......
气候变化
确定地
温室效应
明显的
忍受
使人担心的
污染等级
What comes to your mind when you see the word “nature”
Lead-in
Task 1
Can you add more words to the diagram
the appearance of an area of land
a very bad accident such as an earthquake especially one in which a lot of people are killed
Talk about each aspect
There are many different kinds of plants in nature…
Talk about each aspect
Talk about each aspect
Talk about each aspect
drought
landslide
hurricane
floods
volcanic eruption
火山爆发
Talk about each aspect
Task 2
Listen for the main idea
What are the speakers talking about
They are discussing the nature, wildlife and environmental problems of London.
Read the Text Builder carefully.
Task 3
Listen and check the answer
Text Builder Comments
Actually, the whole city is quite ________. beautiful, quiet, green, busy, crowded
Task 3
Listen and check the answer
Text Builder Comments
About 66% of the city is covered with ________. water or green space, forests, trees and grass
Task 3
Listen and check the answer
Text Builder Living Things
It’s great for wildlife. You can see different kinds of ____. plants and animals, , trees, flowers, weeds, birds, fish, deer, insects, whales, dolphins, sharks,
kangaroos, eagles, foxes
Text Builder Environmental Problems
There’s less ____ now than fifty years ago. The biggest environmental problems are _____ and ______. noise pollution, air pollution, water pollution, soil pollution, climate change, changes to ecology, the destruction of jungles
Task 4
Summarize the Text Builder
Actually, the whole city is quite green.
About 66% of the city is covered with water or green space.
It’s great for wildlife. You can see many kinds of birds.
There’s less water pollution now than fifty years ago. The biggest environmental problems are air pollution and noise pollution.
Comments
Natural Landscape
Living Things
Environmental Problems
Use the Text Builder to talk about the natural environment near the place where you live.
Natural Landscape
Living Things
Environmental Problems
Comments
The city which I lived in is quite crowded, because
there are so many people and cars.
Actually, there is much green space. It’s said that 46% of the city is covered with trees and grass.
We can see a variety of flowers in spring. Many birds are singing happily and they enjoy living in this
kind of environment.
But we’re still concerned with the environment we live in, especially the air pollution caused by our humans.
Possible version
Natural Landscape
Living Things
Environmental Problems
Comments
Task 5
Listen and compete
The two students were shocked at the lecture on nature. They didn’t know that we were ______________ so much. They learnt that we overused nature. As a result, nature ________, felt pain and finally _____________ on us. They realized that nature is our home. Humans, animals, plants and ___________________ live in it. We should __________ our “home”. We should ________ nature.
harming nature
turned its back
got hurt
all other living things
take care of
protect
Task 6
Think and share
Talk about your understanding of the relationship between humans and nature.
In my opinion, man is a part of nature, and the harmonious coexistence between man and nature is the objective requirement of the development of human cicilization.
We should observe the rules of nature, take care of her and live in harmony with her. Then we will surely benefit a lot from her.
Quote…Unquote
Homework
The Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we learn from books. -- John Lubbock
大地和天空，森林和人田野，湖泊和河流，山脉和大海，都是优秀的老师，教给我们其中的一部分人从书上学不到的东西。 -- 约翰·卢伯克
We cannot command nature except by obeying her. -- Francis Bacon
我们不能支配自然，只有顺应自然。 -- 弗朗西斯·培根
Quote…Unquote
Wildlife extinction is not a process that gives you time to fix your mistakes. In the face of science, there are no second chances.
-- Pan Wenshi
Study nature, love nature, stay close to nature. It will never fail you.
-- Frank Lloyed Wright
野生动物的灭绝不给你时间去改正错误，在科学面前，我们没有机会去改过。 -- 潘文石
研究自然，热爱自然，亲近自然。它永远不会让你失望。 -- 弗兰克·劳埃得·赖特
第二课时
1. (教材P28) Nature disasters: floods, droughts, hurricanes, landslides, volcanic eruptions, ect
自然灾害：洪水，干旱，飓风，滑坡，火山爆发。
★ disaster n. 灾害；灾祸; 一团糟：
【点拨归纳】
【应用融会】
① The party was an absolute .
② Carelessness in driving often result in accidents.
a disaster area 灾区
a disaster for sb/sth 对sb/sth来说是一场灾难
disaster relief 灾难援助
disaster prevention 防灾
disastrous adj 灾难性的；极糟的
disaster
disastrous
2. (教材P28) Living things 生物
★ living adj. 活着的；直播的; 现场的；
n. 生计，谋生 v. 活着；居住
【点拨归纳】
【词语辨析】
【应用融会】
① He earns living by teaching in a language school.
② Are you grandparents still
③ It wasn't a recorded show; It was .
④ He was the greatest writer in England.
⑤ She is a child and popular with everyone.
a living language 仍在使用的语言
a living legend 当今活着的传奇人物
the living and the dead 生者与死者
make/earn a living = earn one's living 谋生
易混词 辨析
living “活着的”，与alive同义，可作表语或前置定语
alive “活着的，有活力的”， 可作表语或前置定语或补足语
live “现场的，直播的”，一般不指“人”，作前置定语
lively “充满活力的，生动有趣的”，指人或物体， 作定语或表语
a / his
alive
live
living
lively
第二课时
3. (教材P102) I didn't know we were harming nature so much.
我都不知道我们正在如此严重地伤害破坏自然。
★ harm n&vt. 伤害；损害; 危害：
【点拨归纳】
【应用融会】
① To much drinking will great harm to you.
② Don't your eyes by reading in a poor light.
③ Air pollution gets worse and this will be (harm) to people.
cause/do harm to // cause/do… harm 对……有害
harmful adj 有害的
harmless adj 无害的
do
harm
harmful
第二课时
【语言知识】
4. (教材P101) And the greenhouse effect is quite obvious.
并且温室效应是非常明显的。
★ obvious adj. 明显的;显而易见的（clear/apparent)
【思考感悟】
① It is obvious to the students that they should get well prepared for their futurte.
学生们很清楚他们应该为将来做好充分的准备。
【点拨归纳】
【高考链接】 Most people on this island are recreational fishers, and (obvious), fishing forms an actual part of their leisure time.
make an abvoius mistake 犯明显的错误
obviously adv 显而易见地
obviously
5. (教材P101) The two students were shocked at the lecture on nature.
这两名学生对这场关于自然的讲座感到震惊。
★ shock vt. 使震惊；使受电击; n. 震惊；冲击；休克；
【点拨归纳】 shocking adj (令人）震惊的 shocked adj (人感到）震惊的
be shocked by/at 对……感到震惊的
be shocked to do sth 对做……感到震惊的
It shocked sb to do sth 做……使某人感到震惊的
a shocked lool/expression/ voice 震惊的表情/声音
to one's shock 令某人震惊的是 【词语辨析】
【应用融会】 shock “震惊'' 三者强度最强
① It (shock) me to see how he treated his wife. amaze 一般指“令人吃惊的好事”
② It's (shock) how students can't spell the word.
③ It gave me quite shock to be told I was serious ill. surprise “吃惊”三者最弱 因意外突然
④ He was shocked (hear) his daughter swearing
⑤ I was (shock) by the terrible result.
shocked
shocking
to hear
a
shocked