Read the following passage and choose the best option for each of blanks.

If you're an environmentalist, plastic is a word you tend to say with a sneer or a snarl. It has become a (1) _______ of our wasteful, throw-away society. But there seems little doubt it is here to stay, and the truth is, of course, that plastic has brought enormous (2) ______, even environmental ones. It’s not really the plastics themselves that are the evil ─ it's the way society chooses to use and (3) _______them.

Almost all the 50 or so different kinds of modern plastic are made from oil, gas or coal ─ non-renewable natural (4) _______. We (5) _______well over three million tones of the stuff in Britain each year and, sooner or later, most of it is thrown away. A high (6) _______of our annual consumption is in the form of packaging, and this (7) _______about seven percent by weight of our domestic refuse. Almost all of it could be recycled, but every little of it is though the plastic recycling (8) _______is growing fast.

But there seems little doubt it is here to stay, and the truth is, of course, that plastic has brought enormous (2) _______, even environmental ones.

Choose the best answer to complete the passage.

INTERFERING WITH NATURE

Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide. It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century. We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?

Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere. Surprisingly, there is good science behind the idea. The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.

Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide.

Choose the best answer to complete the passage.

INTERFERING WITH NATURE

Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide. It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century. We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?

Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere. Surprisingly, there is good science behind the idea. The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.

It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century.

Choose the best answer to complete the passage.

INTERFERING WITH NATURE

Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide. It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century. We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?

Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere. Surprisingly, there is good science behind the idea. The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.

We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?

Choose the best answer to complete the passage.

INTERFERING WITH NATURE

Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide. It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century. We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?

Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere. Surprisingly, there is good science behind the idea. The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.

Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere.

Choose the best answer to complete the passage.

INTERFERING WITH NATURE

Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide. It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century. We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?

Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere. Surprisingly, there is good science behind the idea. The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.

The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.

Fill in each numbered blank with one suitable word or phrase.

Stop Pollution Now!

Pollution is a really big problem on our planet and it must be stopped immediately. It must be stopped before our planet goes (1) _______. There are three main reasons, in my opinion, why pollution should be stopped.

The first reason why we should stop pollution is that pollution is destroying the environment we live in. Carbon dioxide is a big contribution (2) _______ pollution. Carbon dioxide (3) _______ our climate in many different ways. The way it works is that certain ‘greenhouse gases’ can't escape from our atmosphere (4) _______ they get trapped. The second reason why we should stop pollution is that it also has an influence (5) _______ us - humans. Pollution also influences human life and that is a big problem. According to the World Health Organization, indoor air pollution from the burning of coal or biomass fuels like wood risks lives of millions of people. Air pollution causes two million deaths per year, (6) _______ from heart disease and respiratory disorders like infections and lung cancer.

The third reason why we should stop pollution is that if we do, we can live longer on this planet. If we don’t stop pollution and global warming, something really bad will happen to us. Humans have destroyed the planet so quickly. We can live longer and (7) _______ our existence on this planet (8) _______   our children’s children can live in a planet without worries. (9) _______, pollution must be stopped immediately. The earth is our only (10) _______  and we must protect it and take care of it as much as we can. Pollution must be stopped before we ruin our planet.

It must be stopped before our planet goes_________

Fill in each numbered blank with one suitable word or phrase.

Stop Pollution Now!

Pollution is a really big problem on our planet and it must be stopped immediately. It must be stopped before our planet goes (1) _______. There are three main reasons, in my opinion, why pollution should be stopped.

The first reason why we should stop pollution is that pollution is destroying the environment we live in. Carbon dioxide is a big contribution (2) _______ pollution. Carbon dioxide (3) _______ our climate in many different ways. The way it works is that certain ‘greenhouse gases’ can't escape from our atmosphere (4) _______ they get trapped. The second reason why we should stop pollution is that it also has an influence (5) _______ us - humans. Pollution also influences human life and that is a big problem. According to the World Health Organization, indoor air pollution from the burning of coal or biomass fuels like wood risks lives of millions of people. Air pollution causes two million deaths per year, (6) _______ from heart disease and respiratory disorders like infections and lung cancer.

The third reason why we should stop pollution is that if we do, we can live longer on this planet. If we don’t stop pollution and global warming, something really bad will happen to us. Humans have destroyed the planet so quickly. We can live longer and (7) _______ our existence on this planet (8) _______   our children’s children can live in a planet without worries. (9) _______, pollution must be stopped immediately. The earth is our only (10) _______  and we must protect it and take care of it as much as we can. Pollution must be stopped before we ruin our planet.

Carbon dioxide is a big contribution ______ pollution.