阅读理解This year has brought some exciting developments in the field of space exploration. The new spacecraft "Starship," developed through a collaboration between SpaceX and NASA, successfully launched and returned to Earth in September. This achievement marks a significant step forward in humanity's journey into space.Space exploration has long been a dream for humanity, as it not only expands our horizons but also has the potential to unlock new resources and knowledge. The vastness of space offers countless opportunities for scientific discovery and technological advancement. For instance, the exploration of other planets and celestial bodies could lead to breakthroughs in understanding the origins of the universe and the possibility of life beyond Earth.In July, the International Space Agency (ISA) fully approved the use of advanced propulsion systems for future missions. This technology is designed to "increase the speed and efficiency of spacecraft, allowing them to travel farther and faster than ever before," according to space expert Dr. Emily Johnson. As a result, these systems can only be effective for missions that require long-duration travel, such as those to Mars or the outer planets.However, space exploration is not without its challenges. According to the ISA's press release, after a 79-week trial of the new propulsion systems, it was found that while they could enhance the capabilities of spacecraft, they could not yet overcome all the obstacles associated with deep space travel, such as radiation exposure and the psychological impact on astronauts. What they offer is a way for space missions to achieve more ambitious goals and push the boundaries of human exploration.According to the United Nations Office for Outer Space Affairs, at least 90 countries are currently involved in space activities, with the number of space missions increasing rapidly each year. As scientists continue to make efforts, there is growing hope that they can one day create a future where space exploration is not only feasible but also sustainable.
(1)
What excites space enthusiasts about recent developments?
A . A collaboration between SpaceX and NASA.
B . The vastness of space.
C . The launch of a new spacecraft.
D . The possibility of life beyond Earth.
(2)
In what way are advanced propulsion systems effective for space missions?
A . They can detect obstacles in space.
B . They can overcome all challenges of deep space travel.
C . They can be used for short-duration missions.
D . They can increase speed and efficiency for long-duration travel.
(3)
What is the author's attitude toward the future of space exploration?
A . Doubtful.
B . Uncaring.
C . Positive.
D . Negative.
(4)
What can be a suitable title for the text?
A . Advances in Space Exploration Technology
B . The Promise of New Spacecraft for Future Missions
C . The Challenges and Rewards of Space Exploration
D . The Role of Propulsion Systems in Space Travel
答案: C
D
C
C