问题
选择题
Pollution has reached ______ high levels in some urban areas, which is quite worrying. [ ]
A. disturbingly
B. slightly
C. exactly
D. flexibly
答案
答案：A
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Pollution has reached ______ high levels in some urban areas, which is quite worrying. [ ]
A. disturbingly
B. slightly
C. exactly
D. flexibly
答案：A
