공통영어2 지학 신상근 2과 변형문제

You may have experienced the ____ of standing on a heated floor after coming in from a cold winter’s day.

Your ____ warms up from your feet.

However, in some buildings like schools and hospitals, you ____ experience cold feet and warm air at the same time.

This is because your home and school ____ use different heating systems.

While many school or office buildings use a heating method that warms the air directly, most ____ homes use underfloor heating based on the traditional ondol system.

Why do Koreans still use ondol system in ____ apartments and houses?

What are the characteristics of ondol and ____ benefits does it offer?

It is difficult to determine the exact origin of ondol, but early forms have been ____ in residential sites from the Gojoseon period (2333 B.C.E. to 108 B.C.E.).

Ondol has probably ____ used continuously since then, mainly in the colder northern regions.

It is widely believed that winters became much ____ in the 17th century.

This led to ondol becoming much more popular ____.

Thanks to the efficiency of ondol, Korea’s ancestors could go through the winters without worrying too much about the ____.

Spending time in cozy ondol rooms not only ____ their bodies but also comforted their minds.

The essential components of ondol are the agungi, gorae, and ____.

____, the agungi is an outdoor fireplace where the fire is lit.

This fire is the primary ____ of the heat that eventually warms the room.

The gorae is a system of specifically designed passages ____ the floor.

Once the fire is lit in the agungi, the hot air travels through the gorae, which ensures that the heat is evenly distributed beneath the ____ surface.

Above these passages is the ____, a slab of stone.

As the hot air from the ____ moves through the gorae, it transfers the heat to these stone slabs.

One of the distinct ____ of the stone used in gudeuljang is the ability to resist rapid heat transfer, which allows the gudeuljang to release the heat slowly into the room.

Thanks to this ____ design and the properties of the stone, the ondol system ensures that rooms remain comfortably warm for extended periods.

The unique strengths of ____ really stand out when it is compared to Western-style heating.

Traditional Western-style heating involves lighting a fire indoors and ____ smoke through a chimney.

With this method, smoke can pollute the air inside the room and the heat can escape ____.

With ondol's underfloor heating, on the other hand, heat ____ goes upward from the heated floor, and the entire room can be warmed efficiently.

In addition, since the fireplace is located outside and the smoke never enters the room, it is easier to maintain a ____ indoor environment.

It's not just Koreans ____ praise ondol.

Horace Allen, an American doctor ____ visited Joseon in the late 19th century, wrote about the efficient ondol system in his book.

____ to Allen, ondol not only kept the room comfortably warm but also allowed people to use the fire for more than one purpose.

He mentioned families warming the house and cooking rice at the same time, for ____.

Underfloor heating in the style of ____ has become increasingly popular in other parts of the world.

____ Lloyd Wright, one of the most influential American architects, developed a heating system based on ondol using hot water pipes for his own projects.

His ____ House is considered the first example of applying underfloor heating to Western-style buildings.

Describing ____ as “ideal heat,” he has had a great influence on the promotion of underfloor heating.

More recently, there has been an increase in cases where underfloor heating systems are being adopted, such as in the German parliament building and the Copenhagen ____ House.

Ondol has ____ Koreans with its lasting warmth for thousands of years and continues to give warmth and comfort to them today.

Though boilers and hot ____ pipes have taken the place of the agungi and gorae, the basic principles of ondol haven't changed.

The warmth of ondol, now being shared with people beyond ____, is set to last for generations to come.