New and interesting research conducted by Suleiman A. Al-Sweedan and Moath Alhaj is inspired by their observation that though studies of the effect of high altitude on blood chemistry are _____, the effect on blood chemistry of living in locations below sea level, such as the California towns of Niland and Imperial, has received comparatively little notice.
Which choice completes the text with the most logical and precise word or phrase?
Explanation
Context: Studies of high altitude on blood chemistry are [blank]. But "the effect on blood chemistry of living in locations below sea level" is understudied—abundant.
Answer: B) copious
Why? Abundant = plentiful. Copious = abundant.
Traps:
- A) equivocal → means ambiguous, different
- C) sporadic → means occasional, different
- D) preliminary → means initial, different