最好利用起重设备将遇难艇筏及人员一起吊上船,这样可以节省遇险人员的体力。()
参考答案:对
Make sure to turn off the gas after you take a bath, which would ___ cause danger.
A.therefore
B.somehow
C.otherwise
D.meanwhile
急性肾盂肾炎抗生素用至症状消失,尿检查阴性后再几天可停药观察
A.2~3天
B.2~4天
C.3~5天
D.3~6天
E.3~7天