номер 1 (страница 104) гдз по английскому языку 7 класс тренировочные упражнения в формате ОГЭ Ваулина, Подоляко

1. Read the text and choose the right option to complete the sentences.

Can We Refreeze The Arctic? This Scientist Certainly Thinks So

Thanks to global warming, the ice in the Arctic Ocean is today about half of what it was in the 1980's. And the situation can only get worse. Governments can't agree about how to solve the problem. There is one scientist who is ready with a radical solution - to use modern technology to repair the damage.

Harvard University's Professor David Keith has published two papers on the subject. His idea is to inject reflective particles (ввести отражающие частицы) into areas close to the Arctic ice caps, so that less of the sun's heat would be absorbed. So temperatures will be lower and it will help some of the Arctic water to refreeze. The best part is, it could all be done without cutting back greenhouse gases created by people.

Why aren't governments all over the world working to give this new idea a try? Because this kind of open air experiments has never happened before. Nobody knows what the side effects will be. It could all work out fine or lead to something totally disastrous like collapsing (разрушение) the remaining ice sheets or worse, cause a massive drought (засуха).

Professor Keith agrees with that. That is why he is just presenting the idea in his research papers. Hopefully, we will be able to avoid these kinds of experimental solutions and stop global warming if we simply change the way we lead our day-to-day lives.

1. The ice in the Arctic Ocean is today____.

a) the same it was in the 1980's

b) twice bigger than it was in the 1980's

c) twice smaller than it was in the 1980's

2. The situation can____.

a) become clear

b) become more problematic

c) change for the better

3. Governments can't____how to solve the problem.

a) come to an agreement

b) find out

c) find money to investigate

4. Professor David Keith offered the method of____sea ice in the Arctic ocean.

a) breaking

b) reconstructing

c) melting

5. Keith's idea is that the Arctic water will refreeze if____.

a) people stop producing greenhouse effect

b) people stop research of the Arctic Ice Caps

c) the sun's heat is not so strong

6. The governments of different countries don't start realising Keith's idea because____.

a) it can result in some unexpected dangerous effects

b) it is very expensive

c) it is out of date

7. We can change the situation of global warming if we____.

a) carry out more experiments on the subject

b) be more responsible to our environment in our everyday life

c) invest more money to environmental projects