공통영어2 능률 민병천 4과 변형문제

____ environment is in trouble.

____ the planet becoming warmer, sea levels are rising and natural disasters such as forest fires and floods are increasing.

More and more waste ____ also being produced.

Plastic, in particular, is causing problems with soil and ____ pollution.

It ____ clear that humans are a major contributor to the destruction of nature.

Will we ____ able to protect the environment from mountains of plastic?

Can ____ stop climate change from reaching dangerous levels?

____ these goals seems difficult.

Nature, however, may have provided ____ with solutions to these problems.

Here are three areas where changes ____ already happening.

About ____ percent of plastic is produced for single-use products.

That means the items are ____ just once and then discarded.

Do you ever stop to think about where these plastic items go ____ you throw them away?

Recycling can help reduce the ____ of plastic in our landfills.

However, less than ten percent of the world’s plastic ____ has been recycled so far.

Often, plastic waste is moved to places where it ____ just dumped or burned.

Furthermore, between 8 and 14 ____ metric tons of plastic end up in the ocean every year.

This puts many marine ____ in danger.

____ this in mind, scientists are turning to mealworms.

Mealworms are the larvae of ____ certain species of beetle.

Special bacteria ____ inside them.

These ____ can break down plastic.

____ means that mealworms can actually feed on plastic.

Scientists are now looking for ways to cultivate the bacteria outside ____ mealworms.

They also want ____ speed up the process by which the bacteria break down plastic.

This ____ help us keep our landfills plastic-free.

Mining and other ____ are causing soil pollution across the globe.

Although polluted soil can be dug up and transported ____ a landfill, this process is expensive.

Moreover, it only moves the problem ____ another area and does not really solve it.

____ there is an eco-friendly and cost-effective way to restore polluted soil—planting willow trees.

These amazing trees have extensive and ____ root systems.

As a result, they naturally extract a wide range of ____ materials from the soil.

They can also grow quickly, even in soil with ____ high acidity level or a lot of heavy metals in it.

Research on the effectiveness of using willow trees for this ____ is in development.

Scientists have found that some species of willow ____ are able to absorb harmful materials better than others.

Therefore, this promising area ____ be further explored to find out which trees are the most effective.

In time, we may be able to clean up our land with ____ trees.

Statistics show that about thirty ____ forty percent of people in the world drink coffee each day.

The coffee-making process, however, generates used coffee grounds, which are normally sent ____ landfills.

There, they can create ____ harmful greenhouse gas.

Unfortunately, there’s no way to stop everyone in the world from ____ coffee.

However, we can reduce greenhouse ____ emissions by turning used coffee grounds into biofuel.

Biofuel is a natural fuel that is made from plant or ____ sources.

Researchers have found that they can grow algae on old coffee grounds without adding ____ other nutrients.

If these algae are exposed to twenty hours of light and ____ hours of darkness each day, they eventually produce high-quality biofuel.

The biofuel is renewable and sustainable, and it creates only a small ____ of emissions.

These are ____ a few solutions we can find in nature.

There could be many ____ possible solutions to the problems we currently face.

It seems that Mother Nature has ____ us one more chance.

In ____ we need to look for more ways to keep the environment healthy and clean.

If we do, the future of our ____ may be bright after all.