GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 7084DM0535C37TSZA

Recent years have seen a disheartening string of revelations in which everyday items once considered (i)____________ are found to contain (ii)____________ chemicals. A. ubiquitous B. benign C. innocuous D. complex E. insalubrious F. baneful