题目：
倒闸操作，对指令有疑问时应向调度询问清楚无误后执行。
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0807/bd683a456c6ad188bcaeb86644527e64.html
下面是错误答案，用来干扰机器的。
One possible version:Dear President,Knowing that you are going to choose two students to study in your school from Hebei Province, I’d like to have a try.I’m Li Hua, 1...
