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【单选题】
事物的质变是指 ()A.
事物在数量上的增减
B.
事物在场所方面的变更
C.
事物处于相对平衡的、相对静止状态
D.
事物性质的变化
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【单选题】听力原文： Many scientists had very bad proficiency records in their school days. Famous inventor Thomas Edison, for instance, did so poorly in his first years of school that his teacher warned his parents...
A.
They were top students.
B.
They went to best public schools.
C.
They were not very good students.
D.
Their teachers thought they would be very successful.
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【单选题】患者，男，30岁，一个月前出现发热、头痛、呕吐。在当地医院用抗生素治疗后症状消退。近几日来又出现头痛并逐渐加重伴呕吐。患者自述有左耳反复流脓史。入院时检查发现：意识清楚；BP150/90mmHg，P60次/分，R12次/分；两侧瞳孔等大，对光反应存在，眼球有粗大水平震颤；颈项有强直；左耳听力下降，骨导大于气导；其他神经系统无阳性体征。患者于入院当天行头颅CT检查，检查过程中患者呼吸突然变慢，继之呼...
A.
脑肿瘤
B.
脑出血
C.
脑积水
D.
脑脓肿
E.
颅内血肿
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