Manyofthese“informal”industriestakefew
來源:國語幫 1.59W
問題詳情:
Many of these “informal” industries take few _______ to protect workers from hazardous materials like lead and mercury in the waste.
A. standards B. conditions C. precautions D. presentations
【回答】
C
知識點:名詞
題型:選擇題