UNIT 6: LANGUAGE
Vocabulary
Complete the sentences with the right form of the words from 3 in GETTING STARTED
1.carbon footprint
2.infectious diseases
3.emissions
4.ecological balance
5.heat-related illnesses
6.climate change
PRONUNCIATION
Intonation on yes-no questions and echo questions
1.Listen and repeat these questions, paying attention to their raising intonation.
2.Listen and mark (raising intonation) on the echo questions.
GRAMMAR
Perfect participles in clauses of time and reason
1.Underline the perfect participles in the sentences in 4 in GETTING STARTED. Then write the sentences, using after/ then or because/ since

-Having planned the content, we’re now looking for supporting information.
→After we have planned the content, we’re now looking for supporting information.
-Having treated the environment irresponsibly, humans now have to suffer.
→Because/ Since humans have treated the environment irresponsibly, humans now have to suffer.
2.Match the two parts to make complete sentences.
1.e
2.c
3.a
4.b
5.g
6.h
7.f
8.d
Rewrite the sentences, using perfect participles.
1.e Having identified the causes of global warming, we worked out some solutions to reduce its effects.
2.c Having used up the fossil fuel resources in their country, they have to find some types of alternative energy.
3.a Having cut down the forests to make way for farming, now local people have to suffer severe floods.
4.b Having read the report on how the burning of petrol in cars contributes to climate change, we decided to sell our car and get a bicycle instead.
5.g Having been informed about the bad effects of chemical fertilizers, the farmers started using them sparingly on their farms.
6.h Having talked with the environmentalist, we changed our attitude to nature.
7.f having ignored warnings about global warming for more than 20 years, people have to suffer its effects now.
8.d having learnt that humans are responsible for global warming, we were determined to reduce our carbon footprint.
PERFECT GERUNDS
Combine the sentences, using perfect gerunds
1.The students in Group 11G were praised for having planted the most trees in the schoolyard in the Tree Planting Competition.
2.The police suspected Mike of having cut down the oldest tree in the park.
3. He denied having dumped lots of rubbish onto the beach.
4.Thank you for having saved the lives of hundreds of wild animals.
5.They regretted having hunted and killed many wild animals.
6.The factory was heavily fined for having dumped tons of toxic waste into the river.
7.Denis was rewarded for having taken an active part in the Green Summer activities.