【单选题】If the leftmost bit in ( ) number representation is 0, then the decimal number is positive.
【判断题】The first set of a sequence of symbols α , written as First( α) , is the set of terminals which start all the sequences of symbols derivable from α . A bit more formally, consider all strings derivabl...
【单选题】患者,男,14岁。受凉后咳嗽、喘息2天,自服红霉素、氨茶碱(剂量不详)症状无缓解。无心脏病史。体检:口唇发绀,全身大汗,双肺可闻哮鸣音,心率120次/分,律齐,未闻及病理性杂音。最可能的诊断是()。
【单选题】假定某企业生产甲工时定额为100小时,经两道工序组成,每道工序的定额工时分别为80小时和20小时,则第二道工序的完工程度是( )
【简答题】乘用车主要用于载运乘客及其随身行李,其座位少于 ( )座。
【单选题】If the leftmost bit in __________ number representation is 0, then the decimal number is positive integers.
【判断题】《史记》记载了从西周到西汉时期的历史,共一百三十篇。