段修时,橡胶、橡塑防尘板全部更新。
参考答案:错
16个月女孩,发热3天,体温38~38.5℃,呕吐2次,大便每天2~3次,稀,无脓血,多汗,1天前右下肢不肯站立及行走。体检:体温38.6℃,神志清,烦躁,前囟已闭,咽稍红,颈软,心、肺无异常,腹软,腹壁反射存在,右下肢不肿胀,肌力2级,膝及跟腱反射未引出,痛觉存在,克氏征、布氏征均阴性。
最可能的诊断是()
A.急性感染性多发性神经根炎
B.脊髓灰质炎
C.家族性周期性麻痹
D.肠道病毒感染
E.维生素C缺乏
He said he had been to Hong Kong ____ and he would go there _____ once
again.[ ]
A. long before, before long
B. before long, long before
C. long ago, before long
D. long before, long before