The hotspots strategy is thought to be a very _____ way to protect much of the earth's remaining biodiversity.
A) expensive
B) cost effective
C) questionable
D) unscientific
E) politically correct

Question

Quizplus · Accepted Answer

The word "cost effective" directly contrasts with "expensive." The sentence also implies that the hotspots strategy is effective in protecting biodiversity, making option B the best choice. The other choices are not supported by the sentence.

The Hotspots Strategy Is Thought to Be a Very _____