공통영어2 비상 홍민표 4과 변형문제

The need to explore new frontiers like the Arctic and the American West may have been sparked by curiosity, ____ a major reason was to discover new resources.

____ new resources and technology, the Industrial Revolution of the 19th century would not have led to the rise of new industries and the growth of cities.

In the late 20th ____ the Information Technology Revolution connected the world and transformed economies.

Now, it seems that space is the latest frontier for entrepreneurs to ____

Finding new resources ____ exploring the unique environment are new opportunities for those who dare to take up the challenge.

The solar ____ is composed of many rocks floating in space.

The large ones ____ called planets, and the smaller ones are called asteroids.

Research has shown that asteroids contain valuable ____ like gold and rare earth elements.

For example, one asteroid, 16 Psyche, is ____ to consist mainly of gold and other precious metals, whose value is equal to billions of dollars per person on Earth.

From a space explorers’ perspective, however, the most valuable resources ____ asteroids are neither valuable precious metals nor rare mineral deposits.

That valuable resource could actually be water, and it seems to have been ____ because it doesn’t seem as exciting as gold.

Water is expensive to transport into space due to its ____ and volume.

Having a space station with ____ water supplies in orbit around Earth would make space explorations much easier.

No one knows for sure what asteroid mining will look like, but it seems that robotic mining is most ____

Robots will ____ sent to dig for target materials and send them back towards Earth.

They will be programmed to explore the surface and identify materials, and be equipped ____ tasks such as drilling, collecting, and transporting.

They may work independently or be ____ remotely from Earth.

Unfortunately, these types of robots ____ yet to be developed since the technology is still young.

As technology continues to develop, better ____ for obtaining materials will undoubtedly emerge.

Being on the International Space Station ____ is a unique experience.

Astronauts ____ and work in microgravity, floating around instead of walking.

Researchers get to see Earth from a completely new perspective, and they get to work on important scientific research in conditions that are ____ from Earth’s.

Many manufacturers are interested in manufacturing in space because the quality of a lot of products manufactured on Earth is influenced ____ temperature, pressure, radiation, and even the effects of gravity.

Creating good conditions for certain types of manufacturing on Earth requires the use of a lot of energy and resources, but ____ conditions occur naturally in space.

____ beauty and food products, and advanced materials are all potential candidates to be tested and produced in space.

____ example, without the effects of gravity, products that require a uniform quality like cosmetics would be easier to mix.

Other materials ____ 3D printed skin or muscle benefit from low pressure and gravity too.

Although the sun’s radiation can be unhealthy ____ our skin, getting away from the protective effects of the atmosphere could also benefit the testing of products.

For example, fabrics and skin creams could be tested for their ability ____ protect against solar radiation.

Also, semiconductors and ____ communication cables could be produced with higher purity and fewer faults.

Space technology has advanced greatly, and it seems ____ the cost of running a space program and improving it has decreased substantially since ambitious entrepreneurs have joined the adventure.

The conditions in space open up the possibility of manufacturing ____ and better products.

Challenges remain, but it’s not unreasonable to imagine sending a message ____ a device equipped with semiconductors that were produced in space.

The space ____ will ultimately reach a point where adventurous minds and their technological innovations will be able to travel safely to stars beyond the solar system.

The ____ required to drive economic activity that have existed far beyond the reach of humanity are becoming much more reachable.

____ question is no longer about how; it’s about when.