《无题》中抒写浓郁的离别之恨,紧扣暮春时节的景物特点,渲染离别的气氛的句子:____ ,____ 。
____ (one) upon a time, there was an old granny who had a golden bowl.
What ____ (is/do) you hear?
下列有关病毒的叙述,正确的是( )