题目: 在信号报警连锁系统中,为了减少联锁电路出现误动作的机会,提高联锁动作的可靠性,可以采用三选二表决电路。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0703/cab91efd6f020bd4c12d497896e92c40.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 Some people are sitting on the grass; others are walking along the lake, ______ .A.chatting and to laughB.to chat and to laughC.chatting and laughingD.chatted and laughed 查看答案