A:112
B:19
C:18
D:16
一元二次方程x2=2x的解为( )
____ (one) upon a time, there was an old granny who had a golden bowl.
“盈”是____结构,用部首查字法应查____部,再查____画,“盈”的第二笔笔划名称是____
“盈”在字典中的解释有:①充满。②多余。
“笑盈盈”的“盈”应选第____种解释
观察下图漫画,结合所学知识,回答下列问题。