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【单选题】
30岁女性，不孕症，继发进行性痛经2年，多次测BBT呈。检查：阴道后穹窿有一直径1cm触痛结节，子宫大小正常，后位，不活动，无压痛，右卵巢稍增大，固定，压痛(+)。 此患者不育的原因可能是A.
无卵泡发育
B.
盆腔炎性粘连
C.
子宫内膜异位症
D.
功能不足
E.
子宫内膜发育不良
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举一反三
【单选题】当()时,蛋白分子带负电,可结合于阴离子交换剂上;当()时,蛋白分子带正电,可结合于阳离子交换剂上。
A.
pH > pI;pH > pI
B.
pH > pI;pH< pI
C.
pH< pI;pH> pI
D.
pH< pI;pH< pI
【单选题】I have a _________ daughter, she is a middle school student. [ ]
A.
thirteen years old
B.
three-year-old
C.
twelve-year-old
D.
fourteen-year old
【简答题】Police in America were looking for a thir-year-old boy, Ben. He was a middle school student. He was lost last Friday night. Ben’s mother went to bed early that evening because she had a bad cold. ...
【简答题】下列各句均有错误，请将错误画出并将其正确的形式改写在横线上。 1. Jim is thir year old. __________ 2. The nineth month is September. __________ 3. I am born in November. __...
【简答题】Mary is a thir-year-old girl. She had a bad cold yesterday. She didn’t want to eat anything. Her mother took her to see the doctor. The doctor gave her a bottle of medicine and told her to take it...
【简答题】微机型继电保护与自动装置堂上作业
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