批量代收的业务特点是一个收款人、()付款人。 多个。 一个。 两个。 三个。
农业标准包括() 技术标准。 管理标准。 工作标准。 环境标准。
An inflatable liferaft is floating in its container,attached to the ship by its painter,as the ship is sinking rapidly. Which action should be taken with respect to the liferaft container? () Cut the painter line so that it will not pull the liferaft container down。 Swim away from the container so that you will not be in danger as it goes down。 Take no action as the pull on the painter will cause the liferaft to inflate and open the container。 Manually open the container and inflate the liferaft with the hand pum。
利用化学诱变剂对果蝇(P)进行诱变,下列说法正确的是:() 应在减数分裂前诱变,不能在减数分裂后诱变。 无论何时诱变,F1外交所产生的F2均有1/2含有相同突变。 减数分裂后诱变,导致F1形成嵌合体。 诱变果蝇产生的子一代之间杂交,会有1/4的可能性产生突变纯合体。
ATM管理机构为营业网点的,主办柜员可以同时兼任()。 99尾箱柜员。 ATM记账员。 ATM出纳员。
对于已选定的一组文件,若只选择其中一个,则应()。