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【简答题】

小王装修房子时选购玻璃,看到两种效果:甲是单层玻璃,乙是双层玻璃(夹层内抽成真空).小王想知道它们的区别在哪里,请从声学角度判断:
(1)哪种玻璃的隔音效果好?答:______
(2)物理依据:______.
(3)我们都知道:透过两种玻璃都能清晰地看到外面的景物,这个现象能够说明光的传播与声音的传播有什么不同?

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【多选题】如电梯运行故障停在夹层位置,电梯门无法打开时,应( )

A.
店经理马上赶到现场协调指挥
B.
在店经理现场指挥下,工程维修确定电梯所在位置/楼层,采取救援行动
C.
行政经理拨打电梯维护公司热线电话
D.
前厅经理通过三方通话安抚被困的乘客

【多选题】下述属于泥化夹层特征的是: ( )

A.
粘土矿物与母岩矿物组成不一致
B.
天然含水量大于或等于塑限;
C.
强度低、变形大;
D.
粘粒含量高;

【单选题】Priscilla Ouchida's 'energy-efficient' house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $ 100, 000, three-bedroom home in California Tig...

A.
is well worth the money spent on its construction
B.
is almost faultless from the point of energy conservation
C.
failed to meet energy conservation standards
D.
was designed and constructed in a scientific way

【单选题】主动脉夹层的主要病理改变是()

A.
主动脉内膜撕裂,血液进入中膜 
B.
主动脉破裂形成血肿,周围包绕结缔组织 
C.
主动脉呈病理性扩张 
D.
主动脉内膜、外膜广泛性纤维增厚 
E.
主动脉狭窄合并血栓形成

【单选题】主动脉夹层并发胸、腹、心包积血、出血等症,最佳治疗方案为()

A.
积极内科保守治疗
B.
积极内科治疗后效果欠佳者可考虑手术治疗
C.
Ⅰ . Ⅱ型主动脉夹层转化为Ⅲ型后方考虑手术治疗
D.
急诊手术
E.
内科保守治疗的同时,密切观察有无向Ⅲ型转化的可能,如有转化趋势,此时需手术治疗

【单选题】主动脉夹层CT增强扫描可发现

A.
肺动脉增粗,平扫内部无异常密度,增强肺动脉管腔偏侧性局部狭窄
B.
肺动脉主干右前方圆形高密度影,内部可见横行低密度,并见其往上层面延续
C.
右下肺动脉横径大于10mm,增强呈均匀高密度影
D.
两肺透亮度增加,双肺血管影稀疏
E.
肺静脉明显扩张,呈现出1~2条长而宽的血管影像

【单选题】Priscilla Ouchida's 'energy efficient' house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $100,000, three-bedroom home in California. Tigh...

A.
is well worth the money spent on its construction
B.
is almost faultless from the point of energy conservation
C.
failed to meet energy conservation standards
D.
was designed and constructed in a scientific way

【单选题】夹层颈动脉瘤()。

A.
多由动脉硬化引起
B.
由动脉内膜病变引起
C.
多由创伤引起
D.
由颈总动脉分叉处后方外膜的化学感受器发生病变所致
E.
由先天性动脉囊性中层坏死所致
相关题目:
【多选题】如电梯运行故障停在夹层位置,电梯门无法打开时,应( )
A.
店经理马上赶到现场协调指挥
B.
在店经理现场指挥下,工程维修确定电梯所在位置/楼层,采取救援行动
C.
行政经理拨打电梯维护公司热线电话
D.
前厅经理通过三方通话安抚被困的乘客
【多选题】下述属于泥化夹层特征的是: ( )
A.
粘土矿物与母岩矿物组成不一致
B.
天然含水量大于或等于塑限;
C.
强度低、变形大;
D.
粘粒含量高;
【单选题】Priscilla Ouchida's 'energy-efficient' house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $ 100, 000, three-bedroom home in California Tig...
A.
is well worth the money spent on its construction
B.
is almost faultless from the point of energy conservation
C.
failed to meet energy conservation standards
D.
was designed and constructed in a scientific way
【单选题】主动脉夹层的主要病理改变是()
A.
主动脉内膜撕裂,血液进入中膜 
B.
主动脉破裂形成血肿,周围包绕结缔组织 
C.
主动脉呈病理性扩张 
D.
主动脉内膜、外膜广泛性纤维增厚 
E.
主动脉狭窄合并血栓形成
【单选题】在有的发动机排气总管的外面加了一个加温夹层,其目的是().
A.
加温燃油
B.
加温滑油
C.
用于机翼前缘防冰
D.
用于座舱加温
【单选题】主动脉夹层并发胸、腹、心包积血、出血等症,最佳治疗方案为()
A.
积极内科保守治疗
B.
积极内科治疗后效果欠佳者可考虑手术治疗
C.
Ⅰ . Ⅱ型主动脉夹层转化为Ⅲ型后方考虑手术治疗
D.
急诊手术
E.
内科保守治疗的同时,密切观察有无向Ⅲ型转化的可能,如有转化趋势,此时需手术治疗
【单选题】主动脉夹层CT增强扫描可发现
A.
肺动脉增粗,平扫内部无异常密度,增强肺动脉管腔偏侧性局部狭窄
B.
肺动脉主干右前方圆形高密度影,内部可见横行低密度,并见其往上层面延续
C.
右下肺动脉横径大于10mm,增强呈均匀高密度影
D.
两肺透亮度增加,双肺血管影稀疏
E.
肺静脉明显扩张,呈现出1~2条长而宽的血管影像
【单选题】Priscilla Ouchida's 'energy efficient' house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $100,000, three-bedroom home in California. Tigh...
A.
is well worth the money spent on its construction
B.
is almost faultless from the point of energy conservation
C.
failed to meet energy conservation standards
D.
was designed and constructed in a scientific way
【单选题】夹层颈动脉瘤()。
A.
多由动脉硬化引起
B.
由动脉内膜病变引起
C.
多由创伤引起
D.
由颈总动脉分叉处后方外膜的化学感受器发生病变所致
E.
由先天性动脉囊性中层坏死所致