输卵管妊娠的病因有（）
A.输卵管炎症
B.输卵管妊娠破裂
C.子宫肌瘤或卵巢肿瘤压迫
D.输卵管手术
E.放置宫内节育器后
参考答案：A, C, D, E
Excuse me, sir. I bought the shoes yesterday, but they are in different sizes. One is size 37, _____is size 38.
A．the others
B．other
C．another
D．the other
内容分析有几种类型？
