问题
选择题
You'd be exposed to a lot ____ pollution if you moved to a town with pure water and air. [ ]
A. more
B. most
C. less
D. least
答案
答案：C
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You'd be exposed to a lot ____ pollution if you moved to a town with pure water and air. [ ]
A. more
B. most
C. less
D. least
答案：C