20 Which of the following can be considered the most suitable tone for this passage?
(A) Questioning.
(B) Mocking.
(C) Sympathetic.
(D) Optimistic.

16 According to the passage, which of the following is one of the main goals of space colonization? (A) Establishing self-sustaining colonies on celestial bodies. (B) Expanding human presence on Earth. (C) Ensuring the long-term survival of extraterrestrial species. (D) Investigating the origin of the universe.

17 Which of the following is one potential benefit of space colonization mentioned in the passage? (A) Reducing dependence on Earth's limited reserves. (B) Discovering new forms of extraterrestrial life. (C) Preserving the natural environment on Earth. (D) Promoting international collaboration in space exploration.

18 According to the passage, which of the following about space colonization is correct? (A) Space colonization is mainly driven by the desire to study the origin and nature of life on Earth. (B) Reusable rocket technology has prominently contributed to lowering the cost of reaching space. (C) Closed-loop life support systems play an insignificant role in sustaining human life in space. (D) 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? (A) Space colonization will eliminate all possible challenges and risks associated with human survival in space. (B) The success of space colonization may depend exclusively on the availability of extraterrestrial resources. (C) Space colonization is likely to have the foreseeable potential to revolutionize various industries on Earth. (D) The development of space colonization technologies will lead to the immediate exploration of distant galaxies.

1 In response to the company's unethical practices, consumers organized a widespread ______ , refusing to purchase their products. (A) salutation (B) embrace (C) boycott (D) obligation

2 Upon discovering the unjust treatment of marginalized communities, I felt a surge of ______ , prompting me to join the protest for social justice. (A) sincerity (B) reservation (C) tolerance (D) indignation

3 The esteemed judge will ______ over the high-profile trial, ensuring an impartial legal process for all parties involved. (A) concede (B) preside (C) evolve (D) auction

4 She delivered a/an ______ lecture, presenting complex ideas in a logical manner that allowed the students to easily engage with the subject matter. (A) obscure (B) abstract (C) coherent (D) gloomy

5 The hiker remained ______ of venturing too close to the edge of the steep cliff, prioritizing their safety above any desire for a breathtaking view. (A) jolly (B) wary (C) lofty (D) moody

6 Despite their best efforts, the team's performance during the championship match was ______ lackluster, resulting in a crushing defeat. (A) miserably (B) excellently (C) exceptionally (D) triumphantly