【单选题】5-69. 传统书信中,“顺祝O时绥”一句属于()。选择一项:
【多选题】只有把人生理想融入国家和民族的事业中,才能最终成就一番伟业。关于个人理想和社会理想的关系,下列说法中正确的有
A.
个人理想只有同国家的前途和民族命运相结合才具有意义
【简答题】A.faced on B.faced with C.faced about D.faced up to
【单选题】It is the most severe situation _______ Japanese _______.
【单选题】The government________the serious problem of juvenile delinquency. [ ]
【单选题】_____ such great pressure once, she managed it finally. [ ]
【单选题】_______this problem, they don't know how to deal with it. [ ]
【单选题】甲、乙二人同时上山砍柴,甲花6小时砍了一担柴,乙砍了一段时间后觉得刀比较钝,于是下山磨了一次刀,磨刀加上山下山共花了一个小时,磨完后效率提升了50%,总共也花费了6个小时砍了同样一担柴,如果甲、乙二人磨刀之前的效率是相同的,则乙磨刀之前已经 砍 了几个小时柴?