注意力缺陷性多动症的发病年龄多见于()。
A.婴儿期
B.幼儿期
C.学龄前期
D.学龄期
E.青春期
参考答案:D
The president’s ideas, most of which were not known to all at first, _______ popular support later.
A.gained
B.gathered
C.accepted
D.owned
待客三声()
A.来有迎声
B.问有答声
C.去有送声
D.答有笑声
E.热情招待