“It is raining hard” is a one-place predication sentence.
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下列网络拓扑结构不属于计算机网络的是()。
A. 星形
B. 树形
C. 直线
D. 无线
The first indications a mariner will have of the approach of a warm front will be ().
A. large cumulonimbus (thunderclouds) building up
B. high cirrus clouds gradually changing to cirrostratus and then to altostratus
C. fog caused by the warm air passing over the cooler water
D. low dark clouds accompanied by intermittent rai
患者,男性,82岁。肺心病,近半个月来咳嗽、咳痰,今晨呼吸困难加重,神志恍惚,烦躁不安。查体:体温36.4℃,脉搏120次/分,血压130/80mmHg,呼吸38次/分,口唇发绀,两肺底闻及湿哕音。患者最可能出现的并发症是().
A. 心力衰竭
B. 上消化道出血
C. 急性肾衰竭
D. 呼吸衰竭
E. DIC