腹部闭合性损伤造成的胃;空肠、回肠破裂修补顺序是
A.空肠、胃、回肠B.空肠、回肠、胃C.回肠、空肠、胃D.胃、空肠、回肠E.回肠、胃、空肠
参考答案:C
It was in the street where a serious accident happened last week ______another happened yesterday.
A.which
B.that
C.what
D.how
以下表面活性剂中,可作去污洗涤作用的是
A.普朗尼克B.卖泽C.苄泽D.苯扎溴铵E.十二烷基硫酸钠