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【单选题】
关于输卵管妊娠的病理,以下错误的是A.
输卵管妊娠流产多见于8～12输卵管壶腹部妊娠
B.
输卵管妊娠破裂多见于妊娠6左右输卵管峡部妊娠
C.
间质部妊破裂常发生于孕6～8
D.
阳性宫外孕机化性包块可存在多年，甚至钙化形成石胎
E.
继发性腹腔妊娠的胚胎多数死亡
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举一反三
【单选题】All of the following are the characteristics of the inquiries mentioned in the second paragraph except ______.
A.
a large number of questionnaires were sent out
B.
quantity rather than quality was emphasized
C.
almost no effort was made to interview people from every walk of life
D.
every publication in America got involved