患儿男性5岁,生后5个月起出现口唇青紫及四肢末梢发绀,L3~L4可闻及Ⅲ级收缩期杂音,X线胸片示肺野消晰,肺血少,心外形呈靴形,经皮氧饱和度80%。
Goods are carried by several of transport--on road or rail, by sea or air.
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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