His sister had become a teacher , ______

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问题选择题

His sister had become a teacher , ______ was what he wanted to be.

A．who

B．whose

C．that

D．which

答案

答案：D

单项选择题

22岁男性，乏力、咳嗽、盗汗、低热2月余，近1周来有咯血及痰中带血。查体：心肺未闻异诊断是查体：心肺未闻异常，WBC6.8×10⁹/L，中性68%，ESR36mm/h，X线胸片：右上肺片状阴影，边缘模糊。最可能的诊断是（）。

A.肺脓肿

B.肺囊肿并感染

C.浸润型肺结核

D.支气管扩张并感染

E.肺炎球菌肺炎

单项选择题

一位急性心肌梗死病人心电监护时发现一提前出现的宽大畸形QRs波群，T波与QRs波主波方向相反。你认为此提前出现的QRS波群最可能是

A．窦性心律不齐

B．房性早搏

C．交界区早搏

D．室性早搏

E．正常现象