Recent years have seen a disheartening string of revelations in w

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Recent years have seen a disheartening string of revelations in which everyday items once considered (i)_____ are found to contain (ii)_____ chemicals.

Blank(i)	Blank(ii)
A、ubiquitous	D、benign
B、innocuous	E、complex
C、insalubrious	F、baneful

答案：B,F

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