“八珍”最初是供（）享用的饭菜，后来成为（）或（）的代称。
参考答案：周天子；美食；珍贵原料
哪项是风湿热心脏炎的特点
A．年龄越小者，预后越好B．小儿心脏炎的发病率为20%～40%C．可同时侵犯心肌、心内膜及心包膜D．以心包炎病变者为多见E．心内膜炎一次受累则可造成瓣膜变形
Being a parent is not always easy, and being the parent of a child with special needs often carries with（）extra stress.
A. it
B. them
C. one
D. him
