【单选题】These include one in which he spreads out his feathers like a dress. (lines 42–44)(Please decide whether the sentense above is an example of a simile (S) or a metaphor/personification (M/P)).
【简答题】当左心室收缩时,()关闭,()开放,血液进入()。
【简答题】老师要求每天做15道口算题,今天小丽还要做8道,你猜小丽已经做了( )道。