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請依下文回答第 16 題至第 20 題
Space colonization, once a topic confined to science fiction, has now become a plausible idea. With rapid
advancements in technology and growing interest from both public and private entities, the possibilities of
humans establishing permanent settlements in space are gaining momentum.
Space colonization is driven by the vision of expanding human presence beyond Earth and ensuring the
long-term survival of our species. Scientists believe that establishing self-sustaining colonies on celestial
bodies such as the Moon, Mars, or even asteroids could provide a solution to future challenges on Earth,
including overpopulation and resource depletion. One of the main hurdles in space colonization is the
development of reliable transportation systems.Achieving routine and affordable access to space is critical for
large-scale migration. The emergence of reusable rocket technology has significantly lowered the cost of
reaching orbit. Moreover, ongoing research on advanced propulsion systems, such as ion engines and nuclear
propulsion, could further enhance our ability to travel longer distances within the solar system. Creating
habitable environments in space is another essential aspect of colonization. This involves designing closed-
loop life support systems that can sustain human life for extended periods. NASA's International Space Station
(ISS) serves as a crucial testing ground for developing and refining these technologies. Advances in areas like
hydroponics, 3D printing, and energy generation have the potential to enable self-sufficient habitats in space.
While the challenges are immense, space colonization offers several benefits. One significant advantage is
the potential to exploit extraterrestrial resources. Asteroids, for instance, contain valuable metals like platinum
and gold, as well as water ice, which can be utilized for life support and fuel production. By harnessing these
resources, space settlers could establish sustainable economies and reduce dependence on Earth's limited
reserves. The prospect of space migration also opens up new frontiers for scientific discovery. Studying
celestial bodies firsthand can deepen our understanding of the universe and shed light on fundamental questions
about the origin and nature of life. Furthermore, the development of technologies and methodologies required
for space colonization could have far-reaching applications on Earth, benefiting industries such as medicine,
energy, and materials science.
In conclusion, space colonization has transitioned from science fiction to an attainable goal, opening up
new possibilities for humanity. Unlocking the potential of space migration could mark a significant chapter in
our history, allowing us to explore, flourish, and secure the long-term survival of our species beyond the limits
of Earth.
16 According to the passage, which of the following is one of the main goals of space colonization?
Establishing self-sustaining colonies on celestial bodies.
Expanding human presence on Earth.
Ensuring the long-term survival of extraterrestrial species.
Investigating the origin of the universe.
17 Which of the following is one potential benefit of space colonization mentioned in the passage?
Reducing dependence on Earth's limited reserves.
Discovering new forms of extraterrestrial life.
Preserving the natural environment on Earth.
Promoting international collaboration in space exploration.
18 According to the passage, which of the following about space colonization is correct?
Space colonization is mainly driven by the desire to study the origin and nature of life on Earth.
Reusable rocket technology has prominently contributed to lowering the cost of reaching space.
Closed-loop life support systems play an insignificant role in sustaining human life in space.
Space colonization has seemingly negligible potential benefits for certain industries like energy.
19 According to the passage, which of the following is a plausible inference?
Space colonization will eliminate all possible challenges and risks associated with human survival in
space.
The success of space colonization may depend exclusively on the availability of extraterrestrial
resources.
Space colonization is likely to have the foreseeable potential to revolutionize various industries on
Earth.
The development of space colonization technologies will lead to the immediate exploration of distant
galaxies.
20 Which of the following can be considered the most suitable tone for this passage?
Questioning. Mocking. Sympathetic. Optimistic.