北师大版（2019）选择性必修 第一册Unit 3 Conservation Check Your Progress 课件 (共13张PPT)

(共13张PPT)
Unit 3 CONSERVATION
CHECK YOUR PROGRESS
1. To revise the vocabulary presented in the unit;
2. To identify opinions and suggestions;
3. To complete spaces in four short texts with the unit target lexis. the unit target structures on relative clauses and collocations;
4. To complete the Unit Diary for this unit and reflect on what you have learnt.
Learning objectives
Use what you have learnt from the unit “Conservation” to talk about endangered animals and environmental problems, and make or accept suggestions for protecting the environment.
1 Chen Xi is preparing his report on endangered animals for the class presentation on “Protecting the plete his report using the correct form of the words or phrases below.
There are thousands of endangered 1___________ in the world and if the rate at which they are dying out continues to rise, 2 ___________ of plants and animals will become extinct in the next 3 ___________. The Giant Panda, a symbol of conservation, might be one of them. 4 ______________ the few living in zoos and conservation centres around the world, pandas are found only in the bamboo forest in southwest China.
species
millions
decade
Apart from
They are endangered as their 5_____________ are being destroyed due to human activities. Because of conservation efforts, the number of pandas is 6___________ according to a survey in 2015. This news is exciting, but much still has to be done to save it from extinction. The Yangtze Dolphin is another species under severe 7____________ in China. The number of them is 8 ____________ due to pollution in the river, 9 ______ hunting and other (human activities. 10___________my presentation, l want to remind everyone that animals have no voice in our world. We need to speak out on their behalf before they disappear for good.
habitats
increasing
threat
decreasing
illegal
To sum up
2 Li Zhen is known as the “little inventor” in her class. She’s preparing a presentation on one of her inventions to help protect the environment. Choose the correct options to complete her presentation.
I recently came back from a trip to the beach and was very upset to see the amount of 1 scene / plastic on the beach and in the water It’s disappointing to see the 2 ingredient / environment destroyed like this, Even though many people are trying to 3 reorganize / recycle, there is 4 hopefully / unfortunately still so much plastic waste that ends up being thrown away. Then I thought about doing something. As a result, I invented a new type of packaging. It is made from plant leaves and it is as light as plastic, It can be made into either bags or other types of 5 packet / shape. It is very convenient for 6 scientists / consumers to use. I am so happy that I have won an award for this 7 integrating / innovation for the environment. I hope that everyone can do something for the environment.
3 Chen Yang gives a presentation and calls on people to use public plete part of her presentation with the words below.
A lot of people feel that driving their own cars allows them to have more freedom and they often 1__________ about the inconvenience of public transport. Well, waiting time, crowds and sweating on public transport do leave people feeling 2 __________, but in order to protect the environment, l think using public transport is worth the effort.
complain
annoyed
First of all, research shows that around 90% of total pollutants in some big cities come from cars. These pollutants are harmful to the environment and extremely dangerous to our health. They can 3___________ our lungs and cause illnesses such as 4 _________. Relying too much on cars also creates problems such as traffic 5________, road accidents and noise pollution. Of course, cars are convenient and necessary when travelling long distances, for short journeys within the city it is often faster to 6_______. So let us take action now.
damage
cancer
jams
cycle
4 Chen Xi’s father is a scientist who does research into seas and oceans. He is invited to give a presentation to the class to share his working experience. Read and underline all the relative clauses and circle the words or expressions they refer to, Decide whether they are defining or non-defining relative clauses.
Being a marine researcher is something that l’ve always dreamed of. l work with a team of scientists, who are all experts in their fields, on an international project. I’m currently based in Argentina, which is in South America, studying sea temperatures from Antarctica. Unfortunately, there has been a significant rise in temperatures over the past 50 years,
which is clearly linked to human activity,
(defining)
(non-defining)
(non-defining)
(non-defining)
The effects of hotter seas include more frequent storms, natural disasters and, most worryingly of all, the melting of the ice caps.
Polar ice caps that were frozen all year long, even ten years ago are now melting at an alarming rate. l hope by educating people about this and sharing research we can work together as a global community to protect our planet.
(defining)
5 Li Zhen and Chen Yang are doing a role-play for the class presentation, in which they are talking about cycling in the countryside. Order the dialogue.
( ) a OK, cycling sounds good. Why not pack a tent We can camp overnight near a beautiful forest l know of.
( ) b Would you like to join me for a cycle next week My mother can drive us to the mountain and we can start from there.
( ) c Great, I have a tent too but we can use yours this time.
( ) d Why don’t we just cycle instead It would be better for our health and the environment.
( ) e Wonderful. l can’t wait to go! I haven’t cycled or camped for ages.
2
1
3
4
5
6 The students decide to write their ideas for protecting the environment on a plete their ideas with the correct form of the words below and give your own idea.
1 We need to stop __________ excuses for why we cannot do more for the environment.
2 _________action and do something for a better environment.
3 We really don’t want to see people driving the car when they only need to ___________ around the corner.
4 Tell your parents that if they really need to drive, car __________ is better than driving alone.
5 lf we walk and cycle more, we can _________ fit and help the environment at the same time.
6 I think _________________________________________________.
making
Take
go
sharing
keep
UNIT DIARY
What have you learnt in this unit Reflect and complete the diary. Then share in groups.