【多选题】某工程双代号时标网络图如下,则下列说法中正确的是( )。
【单选题】某工程的双代号网络计划如下图所示,则其关键路径时间为 (50) 天,作业F的自由时差为 (51) 天,节点5的最迟完成时间为 (52) 天。 (50)
【单选题】个人品德是个体对某种道德要求认同和践履的结果,集中体现了道德认知、道德情感、道德意志、道德信念
【单选题】The country should focus on producing the products with ( ).
【单选题】We should avoid untrue claims about the products or the services.
【单选题】All the products should meet the criteria____ in the contract, otherwise the buyer will reject them.
【简答题】While many people are attracted to the idea of becoming an astronaut, there are many ers involved, and the idea of spending so many days in space can be ( ) .
【多选题】个人品德是个体对某种道德要求认同和践履的结果,集中体现了()的内在统一。
【单选题】The idea of becoming a writer had ______ me off and on since my childhood.
【单选题】The idea of becoming a writer has come to me _____ since my childhood in Belleville.