Ενδεικτικές λύσεις των 19 φιλτραρισμένων κλειστών ασκήσεων της ενότητας (σελ. 58-74): global warming/Αμαζόνιος, must/mustn't/have to/can, υποθετικός λόγος, απειλούμενα είδη, word building -ion, σχολικοί κανόνες, used to, phrasal verbs, προθετικές φράσεις.
Ερώτηση: Find a word or phrase in the text that means the following: tropical forest=, because of=, destruction of trees in a forest=, threw back heat=, live=, plants=
Απάντηση:
Σύνοψη: (ενδεικτική) tropical forest = rainforest· because of = due to· destruction of trees in a forest = deforestation· threw back heat = reflected· live = survive· plants = plant life.
Κριτήρια αξιολόγησης:
Ερώτηση: Read the text again and decide if the following statements are true (T) or false (F). 1. The Amazon rainforest is the biggest and most important rainforest on our planet. 2. Scientists believed that the cut down of trees was responsible for the destruction of the Amazon rainforest. 3. Greenhouse gases are natural gases. 4. The thermal blanket keeps rays in the atmosphere. 5. The heat 'bubble' in the Pacific is responsible for less rain. 6. It is certain that the Amazon rainforest will die out in the future.
Απάντηση:
Σύνοψη: (ενδεικτική) 1-T, 2-T, 3-T, 4-T, 5-T, 6-F.
Κριτήρια αξιολόγησης:
Ερώτηση: 4 Match the columns to form compound nouns and then use them to make up sentences of your own. greenhouse warming acid waste global gases ozone blanket aerosol layer thermal rain industrial sprays
Απάντηση:
Σύνοψη: (ενδεικτική) greenhouse gases, acid rain, global warming, ozone layer, aerosol sprays, thermal blanket, industrial waste.
Κριτήρια αξιολόγησης:
Ερώτηση: Write which of these things we must or mustn't do to protect the environment. 1. We use only unleaded petrol. 2. We protect flora and fauna. 3. We recycle paper, glass, etc. 4. We drop litter. 5. We pollute the sea. 6. We let factories pollute with their waste.
Απάντηση:
Σύνοψη: (ενδεικτική) 1. must (use only unleaded petrol). 2. must (protect flora and fauna). 3. must (recycle paper, glass, etc). 4. mustn't (drop litter). 5. mustn't (pollute the sea). 6. mustn't (let factories pollute with their waste).
Κριτήρια αξιολόγησης:
Ερώτηση: Use the rules above and the prompts below to make sentences, as in the example: we will reduce air pollution· our planet will be cleaner· we will save natural resources· rare plants and animals will survive· our rivers and water will be cleaner· our towns will be clean. Example: 1. If we use unleaded petrol only, we will reduce air pollution.
Απάντηση:
Σύνοψη: (ενδεικτική) 2. If we protect flora and fauna, rare plants and animals will survive. 3. If we recycle paper, glass, etc., our planet will be cleaner. 4. If we don't drop litter, our towns will be clean. 5. If we don't pollute the sea, our rivers and water will be cleaner. 6. If factories don't pollute with their waste, we will save natural resources.
Κριτήρια αξιολόγησης:
Ερώτηση: Skim through this leaflet to find out which animals are in danger. Then complete the list that follows: Animals in danger of extinction.
Απάντηση:
Σύνοψη: (ενδεικτική) Πάντα (pandas), τίγρεις (tigers), κοάλα (koalas), οι μεγάλοι πίθηκοι της Αφρικής και της Ασίας (great apes).
Κριτήρια αξιολόγησης:
Ερώτηση: Find a word or phrase in the text that means the following: category=, disappear=, in the same family=, disturbance=, become familiar with new conditions=, against the law=, become a child's legal parents=
Απάντηση:
Σύνοψη: (ενδεικτική) category = species· disappear = (become) extinct· in the same family = relatives· disturbance = interference· become familiar with new conditions = adapt· against the law = illegal· become a child's legal parents = adopt.
Κριτήρια αξιολόγησης:
Ερώτηση: Choose the answer that best completes each one of the sentences. 1. A species is said to become extinct when a. it could disappear from our planet. b. it hasn't been seen in the wild for 50 years. c. there are so few of its kind left. 2. The great apes of Africa and Asia a. are threatened. b. disappeared completely. c. are hunted for their meat. 3. The process of extinction is getting faster because a. certain animals are being hunted. b. some governments have passed laws to protect animals. c. our population is growing and we disturb our environment. 4. Animal habitats are affected by a. hunting. b. pollution. c. conservation organisations.
Απάντηση:
Σύνοψη: (ενδεικτική) 1-b, 2-a, 3-c, 4-b.
Κριτήρια αξιολόγησης:
Ερώτηση: 4 Word building. Nouns in -ion. protect (verb) - protection (noun) 5 Now form nouns from the following verbs, making any necessary spelling changes. verb noun prevent suggest react select invent interrupt
Απάντηση:
Σύνοψη: (ενδεικτική) prevent → prevention. suggest → suggestion. react → reaction. select → selection. invent → invention. interrupt → interruption.
Κριτήρια αξιολόγησης:
Ερώτηση: PRACTICE 1 Look at the following signs and make sentences about them using the prompts in task 1 above. A B C D
Απάντηση:
Σύνοψη: (ενδεικτική) A. You mustn't throw away bottles here. B. You mustn't smoke here. C. You mustn't light a fire here. D. You can park here.
Κριτήρια αξιολόγησης:
Ερώτηση: Read the following table and make sentences about school rules: leave the classroom during the lesson, talk during the lesson, do your homework, eat a snack during the break, ask your teachers questions, be polite to your teachers, drop litter in the corridors, wear a school uniform, pay for your books, get to school on time.
Απάντηση:
Σύνοψη: (ενδεικτική) 1. You mustn't leave the classroom during the lesson. 2. You mustn't talk during the lesson. 3. You must/have to do your homework. 4. You can eat a snack during the break. 5. You can ask your teachers questions. 6. You must/have to be polite to your teachers. 7. You mustn't drop litter in the corridors. 8. You don't have to wear a school uniform. 9. (pay for your books: καμία στήλη δεν είναι σημειωμένη στο βιβλίο για αυτόν τον κανόνα). 10. You must/have to get to school on time.
Κριτήρια αξιολόγησης:
Ερώτηση: Go back to the leaflet 'What can I do to protect the environment?' and underline the imperative, both in the affirmative and negative form.
Απάντηση:
Σύνοψη: (ενδεικτική) Καταφατική προστακτική: Recycle..., Re-use..., Put a brick..., Try and buy..., Ask whoever..., Switch lights off..., Get a clockwork..., Cycle to places!, Have showers..., Give unwanted gifts... Αρνητική προστακτική: don't get new ones, Don't worry, Don't leave the TV or video on standby.
Κριτήρια αξιολόγησης:
Ερώτηση: Join the beginnings and ends of sentences in the table below, using if. Beginnings: you don't come to my party / you want to enter university / you pay a lot of interest / the children will go to the swimming centre / I'll call the police / we can go to the cinema / we park near the station / you don't use your car every day / I find out what's going on. Ends: you do that again / the shopping centre is easy to get to / I will be sorry / you get home early / you have to study a lot / it's fine tomorrow / I'll let you know / you borrow money from a bank / you protect the environment.
Απάντηση:
Σύνοψη: (ενδεικτική) If you do that again, I'll call the police. If you want to enter university, you have to study a lot. If you borrow money from a bank, you pay a lot of interest. If it's fine tomorrow, the children will go to the swimming centre. If you don't come to my party, I will be sorry. If we park near the station, the shopping centre is easy to get to. If you get home early, we can go to the cinema. If you don't use your car every day, you protect the environment. If I find out what's going on, I'll let you know.
Κριτήρια αξιολόγησης:
Ερώτηση: Make sentences with used to and didn't use to about how people lived hundreds of years ago. 1. believe in/many gods 2. live/many years 3. have/machines 4. travel/horses and carriages 5. think/earth was flat 6. women cook/open fire 7. read/candles 8. hunt/food.
Απάντηση:
Σύνοψη: (ενδεικτική) 1. People used to believe in many gods. 2. People didn't use to live many years. 3. People didn't use to have machines. 4. People used to travel by horses and carriages. 5. People used to think the earth was flat. 6. Women used to cook on an open fire. 7. People used to read by candles. 8. People used to hunt for food.
Κριτήρια αξιολόγησης:
Ερώτηση: Complete the gaps in the following sentences with nouns in -ion, formed from the verbs below: prevent, suggest, react, select, invent, interrupt. 1. What shall we do tomorrow? Cinema? Dinner? Clubbing? Has anyone got a better ? 2. If I work all day without any , I will manage to revise the whole unit. 3. Which is the most important to you? The mobile phone. 4. What was his to the news? Was he happy or sad? 5. This organisation works hard for the of cruelty on animals. 6. He was very happy for his as the leader of his team.
Απάντηση:
Σύνοψη: (ενδεικτική) 1. suggestion. 2. interruption. 3. invention. 4. reaction. 5. prevention. 6. selection.
Κριτήρια αξιολόγησης:
Ερώτηση: Guess what the missing phrase is and make a sentence using all the words given: chlorofluorocarbons (CFC's), water vapour, carbon dioxide, G.........., ozone, g..., methane, nitrus oxide. are made out of .
Απάντηση:
Σύνοψη: (ενδεικτική) Η κρυμμένη φράση είναι «Greenhouse gases». Πρόταση: Greenhouse gases are made out of water vapour, carbon dioxide, ozone, methane, nitrous oxide and chlorofluorocarbons (CFCs).
Κριτήρια αξιολόγησης:
Ερώτηση: PHRASAL VERBS. In the article about the Amazon rainforest we came across the following phrasal verbs: cut down, dry up, die out, pass through and make up. Match these verbs to the meanings below and make sentences of your own. cut down exist no longer dry up form something die out make something fall down by cutting it pass through become completely dry make up go through
Απάντηση:
Σύνοψη: (ενδεικτική) cut down = make something fall down by cutting it. dry up = become completely dry. die out = exist no longer. pass through = go through. make up = form something.
Κριτήρια αξιολόγησης:
Ερώτηση: Prepositional phrases 1 In pairs match the words on the left with the words on the right. Then turn back to the texts to check your answers. close of according of due for destruction to instead to disastrous to
Απάντηση:
Σύνοψη: (ενδεικτική) close to· according to· due to· destruction of· instead of· disastrous for.
Κριτήρια αξιολόγησης:
Ερώτηση: Complete the gaps in the following sentences with the correct prepositional phrase. 1. The flight was cancelled bad weather. 2. The greenhouse effect could have consequences our planet. 3. You've been late twice this week the school records. 4. Pollution is partly responsible for the the ozone layer. 5. The chemical factory is the beach. 6. Use the public transport ___ going to work by car.
Απάντηση:
Σύνοψη: (ενδεικτική) 1. due to. 2. disastrous... for. 3. according to. 4. destruction of. 5. close to. 6. instead of.
Κριτήρια αξιολόγησης: