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【单选题】
下列关于声压描述中正确的是
A.
稀疏区的压力强度大于静压强,声压为正值
B.
稠密区的压力强度小于静压强,声压为负值
C.
具有周期性变化
D.
介质中有声波传播时的压强与没有声波传播时的压强之差
E.
指单位面积上声能的压力
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举一反三
【单选题】The Rational Unified Process(RUP)is a software engineering process, which captures many of best practices in modem softwaredevelopment. The notions of(71)and scenarios have been proven to be an excell...
A.
artifacts
B.
use-cases
C.
actors
D.
workers
【简答题】● The Rational Unified Process (RUP) is a software engineering process, which captures any of best practices in modern software development. The notions of (71) and scenarios ave been proven to be an ...
【单选题】Which element of the speech communication process involves the time and place in which communication occurs?
A.
Occasion.
B.
Interference.
C.
Message.
D.
Channel.
【单选题】开放式基金的买卖价格受市场供求关系的影响,而封闭式基金的买卖价格不受市场供求关系的影响。( )
A.
正确
B.
错误
【单选题】The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of use-cases and (71) have been proven to be an ...
A.
actors
B.
artifacts
C.
workers
D.
scenarios
【单选题】下列对体温的自主性调节,叙述错误的是(    )
A.
外周温度感受器是分布于皮肤、黏膜和内脏中的游离神经末梢
B.
中枢温度感受器分布于下丘脑、脑干、脊髓等部位
C.
体漏调节中枢于下丘脑
D.
行为性体温调节是以自主性体温调节为基础
E.
中枢温度感受器是分布于中枢的游离神经末梢
【判断题】Mn 原子的电子排布式为 [Ar]3d 5 4s 2 ,轨道能量由低到高的顺序为 E 3S < E 3P < E 4S < E 3d 。( )
A.
正确
B.
错误
【简答题】● The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of (71) and scenarios have been proven to be a...
【判断题】成熟期市场营销策略:突出一个“稳”字
A.
正确
B.
错误
【多选题】根据案例内容,巴菲特给我们个人投资理财的启发包括( )。
A.
关注投资对象的价值,以及当前价格和他内在价值的关系
B.
组合的预期收益率应与自身能力相匹配
C.
做一个长期投资者,而不是短期投资者或者投机者
D.
勇于尝试,敢于投机冒险
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