皮皮学，免费搜题
登录
搜题
【多选题】
关于单代号的搭接网络计划，叙述正确的有( )。A.
相邻两项工作的时距为零时，说明本工作与其紧后工作之间紧密衔接
B.
终点节点代表的工作的紧前工作最早完成时间的最大值即为该网络计划的计算工期
C.
关键线路是指从终点节点开始，逆着箭线方向依次找出相邻两项工作之间时间间隔为零的线路
D.
关键工作的总时差最小
E.
工作的总时差应等于本工作与其紧后工作之间的时间间隔加该紧后工作的总时差所得之和的最小值
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】通常情况下,企业常常( )地与大客户保持联系,而( )地为小客户提供服务。
【单选题】Bill is not a fast runner and he doesn't have a chance of winning the marathon, but he will _____ the race even if he finishes last.
A.
keep on
B.
keep to
C.
stick out
D.
stick to
【单选题】He didn't want to go to the cinema but they begged so hard that he ______ and went with them.
A.
gave off
B.
gave out
C.
gave in
D.
gave up
【单选题】Why does Jim say this?
A.
He doesn't permit her to work there.
B.
He didn't expect the woman was serious.
C.
He will not help her to work there.
D.
He can't agree with her mor
【简答题】驼峰色灯辅助信号机,可兼作( )或发车进路信号机,并根据需要装设进路表示器
【简答题】A．He thinks that-the speaker won't show up. B．He thinks the seminar won't be open to the public. C．He thinks that there won't be enough seats for everybody. D．He thinks that there might not be any mor...
【简答题】A．He likes to go with her. B．He has no time. C．He doesn't feel welt. D．He doesn't like the evening party.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
