钢筋切断机操作时,不得将两手分在刀片()俯身送料。
A、前侧
B、后侧
C、两侧
D、下方
参考答案:C
I have taken jogging for about an hour every morning as my daily routine _______the weather.
A.whatever
B.however
C.whichever
D.whenever
以下关于水痘的皮疹特点描述正确的是()
A.同一部位可见多形性发疹
B.先后分批出现
C.四肢皮疹最多
D.皮疹数目越多,全身症状越严重
E.易留疤痕