In the following question, a sentence with a blank is given, followed by five words labeled (1), (2), (3), (4), and (5). Choose the word that fills the blank appropriately in the context of the passage.
The pursuit of space exploration (1) _____ not merely an extension of scientific curiosity but a profound statement about humanity's aspirations and existential resilience. As Earth's resources dwindle and environmental degradation escalates the imperative to seek alternative habitats (2) ____ increasingly unavoidable. Beyond the immediate technological marvels, space missions foster unprecedented advancements in materials science, medicine, and artificial intelligence, all of which invariably (3) _____ civilian life on Earth. However, venturing into the cosmos is fraught with ethical dilemmas. Questions surrounding planetary protection-ensuring that alien ecosystems are neither contaminated nor exploited, remain largely (4) nascent within international law.
Moreover, the colossal costs of space programs provoke debates about distributive justice, particularly in a world where basic human needs remain unmet for millions.
Thus, a responsible trajectory of space exploration must harmonize ambition with stewardship, (5) tempering technological triumphalism with humility.
Ultimately, the future of humanity may indeed lie among the stars, but whether that future is marked by expansionist hubris or enlightened coexistence will depend on the philosophical frameworks we choose to uphold in these uncharted domains.
Choose correct verb usage.(2)
Show answer & explanation
Correct answer: A
Explanation
To select the correct verb form, we must identify the subject of the clause:
'...the imperative to seek alternative habitats (2) _______ increasingly unavoidable.'
the Subject: The subject of this clause is 'The imperative.' The phrase 'to seek alternative habitats' is an infinitive phrase that modifies the noun. Since 'imperative' is a third-person singular noun, it requires a singular verb.
the Tense: The entire passage is written in the Simple Present Tense to discuss ongoing global realities ('dwindle,' 'escalates,' 'foster').
Rule: In the Simple Present tense, we add -s or -es to the verb for singular subjects.
Singular Subject (The imperative) + becomes