(共30张PPT)
Unit6 Nurturing nature
Using language
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CONTENTS
Integrated skills
Grammar
Homework
Lead-in
Lead-in
Part 1
Task: Look at the sentences from the reading passage and answer the questions.
a. Wild animals such as these Tibetan antelopes have now been using these passages for years.
b. ...before I know it, we have reached Tanggula Station.
1 Which of these statements is true about sentence (a)
(1) Wild animals started using these passages in the past.
(2) Wild animals used these passages only once.
(3) Wild animals still use these passages now.
Grammar
Part 2
Present perfect continuous
2 What is the difference between the expressions in bold in sentences (a) and (b)
a. Wild animals such as these Tibetan antelopes have now been using these passages for years.
b. ...before I know it, we have reached Tanggula Station.
Activity 1
They are different in form and meaning:
For Sentence (a) the form is “have been doing”, while for (b) is “have done”.
In meaning, the bold part sentence (a) means the action is continuous from the past; while the bold part sentence (b) means the action happened once in the past.
Now look for more sentences with the present perfect continuous tense in the reading passage, and summarise its use in your own words.
1. The train has been racing along steadily since it left Xining.
2. All this time, the song “Sky Railway” has been playing inside my head.
3. The journey has been flying by, ...
4. The Qinghai-Tibet Plateau has been attracting people’s admiration for centuries.
5. …passengers from all over the country have been enjoying these magical landscapes.
Complete the passage with the correct form of the verbs in brackets.
1. have been hearing
2. has been making
3. is moving
4. have been flying
5. have been given
6. have been using
Activity 2
Activity 3
Look at the charts and make sentences using the present perfect continuous tense.
1. The number of trees has been increasing in the last 20 years.
2. Desert areas have been reducing in the last 20 years.
Activity 3
3. Butterfly population has been increasing / has becoming larger and larger in the last 20 years.
Activity 3
Activity 4
Work in pairs.
Talk about how the environment where you live has changed.
Use the present perfect continuous tense where appropriate.
Integrated skills
Part 3
Tourism and the environment
Did you know
Ecotourism is a type of tourism that conserves
the environment. It encourages people to be
responsible travellers and involves educating
them about the natural world. For countries
such as Costa Rica, Kenya and Nepal ecotourism is an important part of the economy. Some ecotourism holidays involve voluntary work, such as planting trees or counting endangered animals.
Listen to the conversation and choose the places mentioned.
Nepal and Thailand are mentioned.
Activity 5
Listen again and complete the notes.
hike in the mountains
count
hard work
elephants
lie on the beach
a nice hotel
a one-day bike tour
Activity 6
Now work in pairs. Discuss what type of travel you prefer.
Activity 7
Complete the boxes with the expressions from the conversation.
The fact is that...
Wouldn't you agree that...
Lets find a compromise.
Let's meet in the middle.
As a compromise, ...
l agree, but.
Persuading others
Compromising
The fact is that…
Wouldn’t you agree that…
I agree, but…
As a compromise, …
Let’s find a compromise.
Let’s meet in the middle.
Activity 7
Activity 8
Complete the passage with the expressions in the box.
Reference answers:
1. create opportunities for new businesses
2. help the local economy
3. not eco-friendly
4. disturb the wildlife
5. provide more jobs
6. use up natural resources
7. higher carbon emissions
Now listen to the passage and check your answers.
Advantages
1. attract more tourists
2. create opportunities for new businesses
3. help the local economy
4. provide more jobs for people living in the area
补充:
5. raise awareness of local wildlife
6. provide locals with a chance to experience other cultureshy
Complete the boxes with the expressions in Activity 8.
Activity 9
1. not eco-friendly
2. disturb the wildlife
3. use up natural resources
4. higher carbon emissions
补充:
5. pollute inshore seawater
6. destroy local ecological environment
...
Disadvantages
Now think about more advantages and disadvantages of building the hotel at White Beach.
Student A:
You are a hotel operator who wants to build a hotel on some forested land.
Student B:
You are a conservationist who wants to protect the wildlife there.
Role-play a discussion to reach an agreement that is satisfactory for everyone.
Now think about how well you approached the problem from different perspectives and reached an agreement.
Activity 10
Work in pairs.
Homework
Part 5
Homework
1. Review key words and expressions learned in this period.
2. Write 5 sentences in the present perfect tense to describe the environment you live.