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【单选题】
患者，男，54岁。咳嗽气喘病史20年，近年来出现右上腹胀痛及下肢水肿。查体：心率118次/分，肺气肿体征，肝大，肝-颈静脉返(+)。最可能的诊断是A.
心包积液
B.
纤维素性心包炎
C.
病毒性心肌炎
D.
右心衰
E.
肝硬化
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【单选题】Table 2 The managing partner of an advertising agency believes that his company's sales are related to the industry sales. He uses Microsoft ® Excel to analyze the last four years of quarterly data (i...
A.
8.816,0.008
B.
8.816,1.44
C.
3.962,1.44
D.
3.962,0.008
【简答题】Content of the Case ysis report Based on the knowledge of the global context of management, select a company from Apple and Volvo , yze the impact of the global epidemic of coronavirus on the ...
【简答题】在无线电波段划分中，长波是指波长在（）米的无线电波，其频率范围为10—10千赫。
【简答题】无线电广播应用的中波段波长范围是3×10 3 m-2×10 2 m，求中段的频率范围。
【判断题】The SWOT analysis uses of a chart to analyze and compare the company's strengths, weaknesses, opportunities and threats.
A.
正确
B.
错误
【简答题】Case4: In order to expand the product market, a toothpaste manufacturer required the sales department to find out whether the influence of advertising investment in different channels on the sales vol...
【简答题】在无线电波段划分中，短波是指波长在（）米的无线电波，其频率范围为6—30兆赫。
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