未知题型 According to the passage, which is Not True of surveys via the Web?A.They reduce the cost involved in data collection.B.They are secure and easy-to-use in collecting datA.C.They provide more convincing conclusions on the matter surveyeD.D.They face fierce competitions from the traditional survey methods.

未知题型 What makes traditional surveys unscientific according to the second paragraph?A.The sampling is not made strictly randomly.B.The interview has to be conducted face-to-facE.C.Improper questions are often included in a survey.D.Selection of respondents is often a matter of personal decision.

多项选择题 某大型工程项目进行施工招标，招标人编制了完整、详细的招标文件，内容包括：（1）招标公告；（2）投标须知；（3）通用条件；（4）专用条件；（5）合同格式；（6）图纸；（7）工程量清单；（8）中标通知书；（9）评标委员会名单；（10）投标文件格式等。招标人通过资格预审对申请投标人进行审查，确定了资格预审表的内容，提出了对申请投标人资格条件的要求，包括：（1）资质等级的要求；（2）投标人在开户银行的存款达到工程造价的5%；（3）主体工程中的重点部位可分包给经验丰富的承包商完成；（4）必须具有同类工程的施工经验。该项目在发售招标文件中的做法，正确的是( )。