【简答题】Her income is d______ what she had five years ago.
【判断题】西门子S7-200PLC端子分为输入端子和输出端子。
【单选题】——How long have you worked here? ——__________________.
【简答题】PLC 按结构分两类即 如西门子的S7-200系列和 如西门子的S7-300,S7-400。
【单选题】西门子 S7-200 中有( )个计数器
【简答题】He founded the company five years ago and has been managing the business ______.
【单选题】胎位正常、无头盆不称的协调性子宫收缩乏力妊娠足月产妇,拟静滴缩宫素增强宫缩,在5%葡萄糖500ml中应加入缩宫素
【单选题】What is the meaning of “five score years ago”?
【简答题】--When _______ you _______ to learn to skate? --Five years ago.