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МатематикаВопрос:
2. Circle the correct form. 1 A lot of rivers pollute/are polluted by acid rain. 2 Pollution gathers/is gathered in clouds. 3 This factory pollutes/is polluted the atmosphere. 4 Acid rain causes/is caused by toxic fumes that factories emit. 5 Rubbish can recycle/be recycled. 6 Volunteers collect/are collected rubbish in the parks. 7 Nesting boxes have built/have been built by volunteers. 8 Many species have endangered/have been endangered by pollution recently.
Ответ:
Краткое пояснение: Выбор правильной формы глагола зависит от того, является ли подлежащее субъектом действия (активный залог) или объектом действия (пассивный залог).
- 1. A lot of rivers are polluted by acid rain. (Реки подвергаются загрязнению).
- 2. Pollution gathers in clouds. (Загрязнение само собирается).
- 3. This factory pollutes the atmosphere. (Фабрика сама загрязняет).
- 4. Acid rain is caused by toxic fumes that factories emit. (Кислотный дождь вызывается выхлопами).
- 5. Rubbish can be recycled. (Мусор может быть переработан).
- 6. Volunteers collect rubbish in the parks. (Волонтеры собирают мусор).
- 7. Nesting boxes have been built by volunteers. (Скворечники были построены волонтерами).
- 8. Many species have been endangered by pollution recently. (Многие виды оказались под угрозой из-за загрязнения).
Похожие
- 1. Underline the correct form. 1 They have talked/have been talking about it all morning. 2 He's not here because he has been going/has gone to work. He'll be back at 4 o'clock. 3 The children cleaned/have been cleaning the playground yesterday. 4 She has studied/has been studying all day. 5 I worked/have been working without a break since 8 o'clock. 6 I have been walking/walked to the park last week.
- 3. Fill in the gaps with have to, don't have to. 1 You ______ go to the desert to see camels. You can see them at the zoo. 2 You ______ work hard if you want to become a doctor. It is not easy. 3 You ______ come with me. I'm the only one who knows how to get there. 4 We ______ do something to protect the environment. 5 You ______ give me a lift. I will walk. 6 You ______ dot he washing up. Patty has done it already.
- 4. Underline the correct word. Dear Patty, Hi there! How are you? We 1) have been learning/learn about pollution at school this week and how it destroys the natural 2) areas/habitats of many animals. We 3) have to/don't have to protect these endangered species before they disappear altogether. For example, acid rain 4) damages/has been damaging the environment for years. It starts with the smoke from power 5) stations/factories and the fumes from car exhausts! The clouds take in the smoke and then it rains down on us! We 6) have to/don't have to do much to reduce pollution. We can do little things like walking to school instead of taking the bus, and recycling our rubbish. The government 7) has been talking/ was talking about the problem and it is trying to find ways to reduce acid rain. Write and tell me what you 8) done/have been doing at school.
- 5. Match the clauses to the questions tags. 1 This is a disaster, 2 You can't see it, 3 This story isn't true, 4 My parents are really happy, 5 Steve told her, 6 I could join as well, a couldn't I? b aren't they? c didn't he? d can you? e isn't it? f is it?
