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【单选题】
某女14岁,半年前月经来潮后,月经周期不规律,多少不定,现属于A.
青春期
B.
性成熟期
C.
围绝经期
D.
老年期
E.
生育期
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反馈参考答案：
举一反三
【单选题】Talia tells Nick, "I never recorded Jackie and Dean's conversation." How does Nick respond at first?
A.
He asks her to explain why.
B.
He doesn't believe her because he was there when she recorded it.
C.
He gets angry at her because she forgot to press the right buttons.
【简答题】已知三相电源星型联接,其中 L1 相的电动势 e 1 =311sin(100 π t+45 o )V ,则 L2 相的电动势 e 2 = V , L3 相的电动势 e 3 = V 。
【单选题】The quakes recorded during the first week of April in the area of Mount Saint Helens warned scientists of a new eruption.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】生意不成情意在的英语翻译哪个更贴切?
A.
Business is just the salt of life.
B.
Even if we cannot conclude the deal, we are still friends.
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