【单选题】下列关于肺发育异常的X线表现,哪项是错误的:
【单选题】When she came in, she found a stranger ______ at the back of the classroom with his eyes ______ upon her.
【单选题】关于一侧肺不发育的X线表现,下列哪项是不正确的()
【单选题】分离某二元混合物,进料量为10mol/h,组成x F 为0.6,若要求馏出液组成x D 不小于0.9,则最大馏出量为( )。
【单选题】分离某二元混合物,进料量为 100kmol/h,x F =0.6,要求 馏 出液组成 x D 不小于 0 . 9, 则 塔顶最大产量为 ()。
【单选题】关于肺结核对妊娠的影响,下列哪项是错误的
B.
非活动性肺结核病变范围不大,对妊娠经过和胎儿发育影响不大
C.
肺结核患者除非同时患有生殖器结核,一般不影响受孕
D.
严重肺结核合并妊娠,围产儿死亡率可高达30%~40%
【单选题】The survey information upon which a chart is based is found ______.
A.
at the top center of the next line
C.
at the lower left corner
D.
at any convenient location
【单选题】Turning around, he found her eyes _________ upon his face with an eager expression.