【单选题】有一位女教师,下肢静脉曲张,术中见静脉腔内有多个褐色物,堵塞管腔,该褐色物最可能是下列哪种病变
【判断题】地基不均勾沉降往往导致建筑物开裂、塌陷并严重影响使用。
【判断题】食物进入口腔后,引起唾液腺、胃腺等的分泌,属于非条件反射。
【简答题】采用球磨机粉碎粉料的过程中,影响粉碎效率因素有哪些?
【单选题】食物进入口腔后,引起唾液腺、胃腺等的分泌,这一过程属于( )。
【单选题】Her parents took her to the doctor because ______.
A.
something was wrong with Betty's foot
B.
the hospital was near their home
C.
their ladder was broken (打破,中止)
【单选题】当食物进入口腔后,引起唾液腺、胃腺等的分泌,这一过程属于( )