具有7，4’-二OH的黄酮酸性强于7，3’-二OH的黄酮酸性。
参考答案：对
根据课文内容判断下面句子是否正确，对的画“√”，错的画“×”。
( ) 1. Li Ming's mother's sister is his uncle.
( ) 2. Li Ming is younger than his grandfather.
( ) 3. Li Ming's hair are gray.
( ) 4. Li Ming likes to play ping-pong.
输入期初余额的目的是将手工会计业务转入计算机处理，使两者之间的( )具有连续性和继承性。
A．账页
B．日期
C．科目
D．账目
