공통영어1 천재 조수경 4과 변형문제

When you go deep into the sea, you can see a variety of marine animals including ____.

Over the ____ of many years, corals build up to form large structures called coral reefs.

Brightly colored coral reefs provide a beautiful underwater ____.

However, this is not the only reason they are ____.

Importance of ____ Reefs

Coral reefs are crucial ecosystems that protect both marine life and people living ____ the sea.

Coral reefs provide shelter to an ____ of marine life, such as fish and underwater plants.

Because of the diversity of life ____ in coral reefs, they are often called “the rainforests of the sea.”

Nearly one quarter of all known marine species depend on coral ____ for survival — they hide themselves from predators, find food, reproduce, and raise their young in coral reefs.

As ____ as humans are concerned, over half a billion people rely on coral reefs for safety and survival.

When large waves generated by ____ rush toward shore, coral reefs serve as natural barriers.

The force of the waves is reduced as they hit the ____ reefs.

Consequently, they prevent the land on the shore from washing away and thus ____ towns near the sea.

Moreover, reefs are a source of medicine, and many organisms ____ in coral reefs are used to treat diseases like cancer.

This is why they are sometimes referred to as the “____ chests of the sea.

____ underwater treasures are under threat of destruction.

The ____ coral reefs become damaged, the more creatures relying on them will lose their homes.

____, the increasing loss of coral reefs might lead to the destruction of the entire marine ecosystem.

The U.N. reported that many of the world’s ____ reefs are currently endangered.

In fact, nearly half of Australia’s Great Barrier ____, the world’s largest, has disappeared.

If swift action is not ____, scientists estimate that most coral reefs will be destroyed by 2050.

What causes coral reefs to ____?

There are various causes, like destructive fishing techniques, overpopulation of ____’ natural enemies, and careless tourism.

However, the leading cause is the rise in water temperature due to ____ warming.

The ____ temperature range for corals to live is 20°C to 28°C.

When the water temperature rises above 30°C, coral reefs turn ____ and eventually die.

____ serious cause is plastic waste.

Plastic products, such as bottles and ____ lines, have been dumped into the sea.

This spreads viruses and diseases, damaging ____ reefs and their inhabitants.

In recent years, advanced technologies have been put in place to save coral reefs by monitoring, protecting, and restoring ____ in quick and efficient ways.

Researchers from Florida introduced a soft jellyfish-like robot to ____ coral reefs without damaging their delicate bodies.

In addition, an Australian research team invented an intelligent underwater robot to ____ coral reefs from a dangerous species of starfish.

The robot uses a camera and computerized ____ system to scan the reefs and identify this starfish.

When it encounters ____, the robot uses a foldable arm to inject some toxic salt into the starfish and eliminate it.

Meanwhile, 3D printing systems have been proposed in ____ Kong as one way to restore coral reef structures.

The 3D printer creates artificial support for ____.

An example is a block made of mud that ____ on the floor of the ocean.

It is ____ in a way that allows corals to attach to it and grow easily.

Actions to ____ Coral Reefs

Here are some simple but effective steps we can take in order to help protect coral ____.

First, you can ____ using beauty products containing tiny pieces of plastic because they pollute the oceans.

Also, try not to ____ sunscreen made with certain chemicals that damage corals.

Second, you can volunteer to help ____ the beach.

Recycling and reducing trash is a ____ help in maintaining a clean ocean.

Last but not least, make it known that coral reefs are in danger by ____ the word to people around you.

Let people know about the threat to coral reefs and what ____ to take to save them.

This will make a big ____ for the future.