【判断题】74LS138 的逻辑功能是 S=1 译码工作。
【单选题】企业识别系统由三部分构成,以下( )不是企业识别系统的构成部分。
【判断题】砂土:通透性好,排水好,保水保肥力差,土壤温度变化大,有机质含量低。
【判断题】He enjoys his working holiday so much that he doesn't feel homesick.
【单选题】A) He enjoys reading letters. B) He has been job-hunting. C) He is offering the woman a job. D) He is working for a company.
A.
He enjoys reading letters.
B.
He has been job-hunting.
C.
He is offering the woman a job.
D.
He is working for a company.
【单选题】图示组合逻辑电路由74LS138和74LS151组成,该电路的逻辑功能是【图片】
【判断题】He enjoys working alone.
【判断题】企业当期实现的净利润,加上年初未分配的利润(或减去年初未弥补亏损)和其他转入后的金额,为可供分配的利润。( )
【单选题】What do we learn about the man?
A.
He is too busy to help with the woman.
B.
He enjoys working while eating.
C.
He has been working during lunch break recently.
D.
He doesn't have time to have lunch today.