求直线与平面立体相交时的贯穿点不会用到的方法（） ["利用立体表面的积聚性","利用辅助平面","利用直线的积聚性投影","利用纬圆法和素线法"]
《武汉会战目的方针与策略指导》指出：“以目前国际形势观察，自力更生仍为我政略上最高原则，基于此而产生之作战指导方针，亦即持久战与消耗战。”由此判断（）。 ["中国共产党坚持持久战与人民战争路线","国民政府曾期待国际力量援助","中国反法西斯战场自始至终都是独立的","国民政府仍坚持片面抗战路线"]
Which statement is correct about an OSPF sham-link？（） ["A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.","A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.","A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.","A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.","A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it."]
双分型面注射模一个分型面取出塑件，另一个分型面取出（）。 ["浇注系统凝料","型芯","另一个塑件","排气"]
Which two statements are true about the application of QoS in a converged network？（） ["end-to-end network delay times that exceed 50 ms for real-time traffic are considered unacceptable","end-to-end network delay times that exceed 250 ms for real-time traffic are considered unacceptable","end-to-end network delay is not a factor as long as the delay is consistent","some packet loss can be corrected by codec algorithms","RSVP handles voice packet retransmission","fragmentation is a result of packet lo"]
跨文明对话研究的主要方式有哪些？
