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【单选题】
4岁男孩,患先心病,发热、咳嗽、气促2天,较烦躁。查体:呼吸65次/分,无发绀,鼻翼扇动,有吸气性凹陷,两肺湿啰音,心率170次/分,心音低钝,胸骨左缘第2肋间Ⅲ级收缩期杂音,P2,肝脏肋下4cm,剑突下4cm。X线胸片示心胸比率0.60,、、右室增大,主动脉结宽,肺动脉段凸出,肺纹理增多,胸膜明显,左下肺见小点状阴影,最可能的诊断是
A.
室间隔缺损合并肺炎、肺动脉高压
B.
动脉导管未肺炎、肺动脉高压
C.
室间隔缺损合并心衰、肺动脉高压
D.
室间隔缺损合并肺炎、心衰、肺动脉高压
E.
动脉导管未闭合并肺炎、心衰、肺动脉高压
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举一反三
【单选题】The constitution of a______society is not necessarily simple.
A.
previous
B.
preceding
C.
primary
D.
primitive
【判断题】使用万用表欧姆档测量电阻时,指针越接近满右偏时,读数越准确。
A.
正确
B.
错误
【单选题】Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by
A.
heat conduction into the injected fuel oil
B.
heat conduction into the water jacket wall
C.
water circulation through passages in the holder
D.
fuel oil circulation through passages m the holder
【单选题】The minimum fuel oil delivery pressure required for diesel engine injection depends primarily on the_________.
A.
degree of cylinder air turbulence
B.
firing pressure in the engine
C.
quality of fuel to be injected
D.
duration of the ignition delay period
【单选题】1.自计算机问世至今已经经历了4个时代,划分时代的主要依据是计算机的 ( )
A.
规模
B.
功能
C.
性能
D.
构成元件
【单选题】自计算机问世至今已经经历了4个时代,划分时代的主要依据是计算机的 ( )
A.
规模
B.
功能
C.
性能
D.
构成元件
【单选题】自计算机问世至今已经经历了 4 个年代,划分时代的主要依据是计算机的( )
A.
、规模
B.
、功能
C.
、性能
D.
、构成元件
【判断题】使用万用表欧姆档测量电阻时,指针越接近满右偏时,读数越准确。
A.
正确
B.
错误
【简答题】● The Border Gateway Protocol (BGP) is an interautonomous system (71) protocol. The primary function of a BGP speaking system is to exchange network (72) information with other BGP system. This networ...
【单选题】The article argues that supertasters______
A.
like snack foods as saltiness is their primary flavor
B.
like the taste of saltiness to block sweet tastes in food
C.
consume less salt because they don't like intensive tastes
D.
like to share salty cheese with nontasters
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