【判断题】听觉信号长声为3秒,短声为1秒,音响间隔为1秒。重复鸣示时,须间隔5秒以上。
【简答题】I . Fill the blanks according to what you hear. Self-Driving Car Kills Pedestrian A self-driving Uber car that was part of a 1 project hit and killed a pedestrian in Arizona this week. Neither the car...
【简答题】听觉信号长声() 秒,短声() 秒,音响间隔() 秒,重复鸣示时须间隔() 秒以上。
【单选题】听觉信号,长声为3秒,短声为1 秒,音响间隔为()秒。
【多选题】幼儿生活活动是指满足幼儿生命基本需要的活动,涵盖了盥洗、进餐、饮水、如厕、午睡等五个方面,是幼儿园一日活动的主体部分,其目的是培养幼儿( )。
【简答题】Part I Directions: Fill the blanks according to what you hear.( 每空1 0 分 ) Self-Driving Car Kills Pedestrian A self-driving Uber car that was part of a 1 project hit and killed a pedestrian in Arizona ...