题型:判断题 English is a language shared by several diverse cultures, _________ uses it differently.A.all of whichB.each of whichC.all of themD.each of them 查看答案
题型:判断题 发包人和发包人所雇用的工程师不具有()的责任。A.对平行的各承包人和供应商之间的责任界限做出划分B.对平行的各承包人和供应商之间争执做出裁决C.对平行的各承包人和供应商之间工作进行协调D.明确工程变更的索赔有效期 查看答案