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【单选题】
患者女性,32岁,1年来延长至9~10天,增多,月经周期正常。盆腔检查无异常,基础体温呈双相型,但下降缓慢。诊断为功血,其发生的原因可能是A.
下丘脑-垂体-卵巢轴发育不完善
B.
先天性卵巢发育异常
C.
萎缩不全
D.
功能不全
E.
卵巢功能衰退
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举一反三
【单选题】Who cannot sit in the House of Lords?
A.
Archbishops of Canterbury and York
B.
senior bishops of Church of England
C.
all the hereditary peers and peeresses
D.
life peers
【单选题】在换热器中,间壁任一侧的对流传热速率 = 推动力 / 阻力,其中推动力是指
A.
两相流体温度差（ T – T ˊ） ;
B.
冷流体进出口温度差（ T 2 ˊ -T 1 ˊ ） ;
C.
热流体进出口温度差（ T 2 -T 1 ） ;
D.
流体主体温度和管壁温度差（ T – T W ）或（ T W ˊ – T ˊ）
【单选题】在换热器中,间壁一侧的对流传热速率 = 推动力 / 阻力,其中推动力是指( )。
A.
同除以流体的密度
B.
同乘以重力加速度
C.
同乘以流体的密度
D.
同除以重力加速度
【单选题】Why did the author want to conceal the fact that he had seen the present?
A.
Because he did not think the present wonderful
B.
Because he didn’t want his sister to know that only he would have such a present
C.
Because he was not sure whether the present was for him
D.
Because he didn’t want to strike a blow against her mother’s happiness
【简答题】If a free society cannot help the many who are poor,it cannot save the few who are rich.
【简答题】A．They cannot sit still or control their actions. B．They cannot talk fluently. C．They cannot study well. D．They cannot express their ideas well.
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