题目: 时钟系统中时间信号输出方式包括以下哪种()A、RS422B、I2CC、NTPD、RPR 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2021/0326/34b2e0ed69679ac4673b671c26b8224a.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 Having tried hard several times, they finally _______ the hope of finding an effective way to save the dying man.A.abandonedB.releasedC.discouragedD.resigned 查看答案
题型:选择题 I don’t think that your lecture _______ the audience, for they appeared quite puzzled.A.got across toB.got close to C.got away withD.got along with 查看答案
题型:多选题 如图所示,在外力作用下某质点运动的υ-t图象为正弦曲线.从图中可以判断( )A.在0~t1时间内,外力做正功B.在0~t1时间内,外力的功率逐渐增大C.在t2时刻,外力的功率最大D.在t1~t3时间内,外力做的总功为零 查看答案