陈旧性宫外孕需要鉴别的是
A．流产B．急性阑尾炎C．卵巢黄体破裂D．输卵管卵巢脓肿E．子宫穿孔
参考答案：D
It took________supplies to construct these energysaving houses. It took brain too.
A．other than
B．more than
C．rather than
D．less than
指出下列哪种是戊型肝炎病毒的主要传播途径
A．注射，输血
B．蚊虫叮咬传播
C．唾液传播
D．垂直传播
E．粪～口传播
