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问题 多项选择题 X型题

漏吸常见原因有（）

A.主要是生殖器畸形，如子宫纵隔、双子宫、双角子宫等

B.手术者操作失误

C.妊娠月份过小致胎囊过小

D.子宫过度倾屈位

E.异位妊娠

答案

参考答案：A, B, C, D

问答题

A police officer in a small town stopped a motorist who was speeding down Main Street. "But officer," the man said, "I can explain." "Just be quiet!" snapped the officer. "Or I’m going to let you cool off in jail until the chief gets back." "But officer, I just wanted to say... " "And I said KEEP QUIET! Now you’re going to jail!" A few hours later, the officer checked up on his prisoner and said," Lucky for you the chief is at his daughter’s wedding. He’ll be in a great mood when he gets here. " "Don’t count on it," said the prisoner. "I’m the groom; he is my father-in-law. \
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单项选择题

下列杂交组合属于测交的是（）

A.EeFfGg×EeFfGg

B.EeFfGg×eeFfGg

C.eeffGg×EeFfGg

D.eeffgg×EeFfGg
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