A. associated B. linked C. related D. involved
A. chemical B. medical C. physical D. biological
A. found B. taken C. sold D. bought
A. 工程所在地价格主管部门制定 B. 订立合同时工程所在地的市场价 C. 国务院价格主管部门 D. 国务院建设行政主管部门
A. around B. off C. away D. out