单选题:With the increased use of high-tech communications equipment 题目分类:英语四级 题目类型:单选题 查看权限:VIP 题目内容: With the increased use of high-tech communications equipment, businesspeople__ 参考答案: 答案解析:
How did scientists discover the source of lead pollution in How did scientists discover the source of lead pollution in Greenland? 分类:英语四级 题型:单选题 查看答案
甲建设单位改建办公大楼,该工程由乙施工单位承建,根据《中华人民共和国建筑法》关于施工许可证的有关规定,下列说法正确的有( 甲建设单位改建办公大楼,该工程由乙施工单位承建,根据《中华人民共和国建筑法》关于施工许可证的有关规定,下列说法正确的有( )。 分类:英语四级 题型:单选题 查看答案