问题
单项选择题
Stephen Schneider, a climatologist at Stanford, notes that unlike greenhouse gases, which ______ rapidly around the globe, the sulfate droplets tend to concentrate over industrialized regions.
A. unify
B. fragment
C. disperse
D. shatter
答案
参考答案：C
解析： 本题空格处是说迅速分散于全球。C项的“disperse分散，疏散”符合题意，如：A group of children dispersed．(一群孩子散开了)。其他三项“unify统一；fragment碎片；shatter碎片”都不正确。