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【多选题】
美的本质包括哪些观点?A.
客观美说
B.
主观美说
C.
主客观美说
D.
马克思主义美说
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反馈参考答案：
举一反三
【单选题】Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【单选题】Among the basic categories of equipment, which of the following are used to convert the hydraulic energy into linear motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【简答题】渗出性出血的原因是什么？
【单选题】Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【单选题】关先生,33岁,阑尾切除术后第3日,体温39.4°C,主诉伤口疼痛,检查发现切口红肿,有压痛。应首先考虑
A.
外科热
B.
感冒
C.
切口感染
D.
切口缝线反应
E.
肺炎
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