Manyofthese“informal”industriestakefew
来源:语文精选馆 1.68W
问题详情:
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
知识点:名词
题型:选择题