船舶的苏伊士运河吨位（） ["与船舶排水量成正比","与船舶排水量成反比","与排水量的关系不能确定","与排水量无关"]
党的纪律是党的各级组织和全体党员必须遵守的（），是维护党的团结统一、完成党的任务的保证。 ["行为规则","最高准则","行动准则","以上皆是"]
下列对销售收入确认时点的说法中，不正确的是（）。 ["交款提货销售，应在收到货款或取得收款权利，并将发票账单和提货单交给买方时确认","预收账款销售，应在商品已经发出时确认","托收承付方式销售，应在商品已发出，劳务已提供并将发票账单提交银行、办妥收款时确认","长期工程合同收入，应在工程竣工结算时统一确认"]
Which three of the following protocols will be forwarded to a host specified by the ip helper - address interface configuration command if the configuration has not been modified by the ip forward - protocol udp global con figuration command?（） [" BOOTP"," TFTP"," ARP"," DNS"," proxy - ARP"," FTP"]
表层流
车间电气设备的保护接地电阻值不得大于多少欧姆？
