单项选择题

吸气性呼吸困难的特点,除外: A.
胸腔压力增大 B.
可出现“三凹征” C.
常伴有干咳 D.
有高调的吸气性喉鸣音 E.
见于喉及气管疾病

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单项选择题
融合报道的最大魅力是突破了技术限制，选择互联网新闻的最佳表达形态，实现了新闻报道内容与新闻呈现形式之间的最佳匹配。（ ）
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