A:Na2CO3溶液
B:KOH溶液
C:盐酸
D:水玻璃
根据短文内容填空。
Jane White is an American girl. She is fifteen. She is a middle school student. Her father is Bill White and her mother is Joan White. Her brother, Bob, is a student, too. He is in a black coat and Jane is in a red sweater.
①范进中举前后,胡屠户对他的态度有什么不同?胡屠户是一个怎样的人?
②范进中举后,周围人有什么反应?
③你怎样评价范进这个人物?
一对夫妇已生育了一个男孩,若再生一个孩子,是女孩的可能性是( )
地球上同经度的各地( )