题目内容

Thedocumentwassignedinthe ________ oftwowitnesses.

A. existence
B. absence
C. presence
D. persistence

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Shegotthefirstplaceinthe competitionandisnow _______ with pride.

A. flooded
B. boasting
C. swelling
D. boosting

Oneimportantskillinreading comprehensionistheabilitytoguessthemeaningofawordfromits ________.

A. environment
B. surrounding
C. context
D. content

能显示动脉导管未闭直接征象的二维观是() ① 主动脉根部短轴观;② 心尖四腔观;③ 胸骨上凹降主动脉长轴观;④ 胸骨旁左室长轴观

A. ①②③
B. ①③
C. ②④
D. ①②③④

超声诊断动脉导管的主要依据是( )

A. 主动脉增宽
B. 肺动脉增宽
C. 降主动脉到肺动脉有双期分流,舒张期明显
D. 从降主动脉到肺动脉有收缩期分流
E. 肺动脉血流速度明显增高

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