题目内容

以下实验室检查结果中对诊断病毒性心肌炎最有意义的是( )

A. 白细胞增高
B. 乳酸脱氢酶的增高
C. X线心影扩大
D. 心电图ST-T改变
E. 血清中和抗体效价增高4倍以上

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B. 扩张肺泡毛细血管床
C. 降低肺泡内泡沫的表面张力
D. 去泡沫改善通气
E. 兴奋呼吸中枢

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A. resources
B. budget
C. potential
D. consumption

During a period of sleep deprivation the effects of sleeplessness may become ______.

A. total
B. increased
C. collective
D. cumulative

Rather than being openly confrontational with his parents, he just quietly -- and perhaps unconsciously -- refused to ______ with their demands.

A. comply
B. adhere
C. coincide
D. concede