把100g质量分数为98%的浓硫酸稀释成10%的稀硫酸,需要水的质量( )
A:800g
B:880g
C:980g
D:98g
下列实验能成功的是( )
选词填空。
A. This is Mary. She's nine. She's tall. She's thin.
B. This is Danny. He's six. He's short. He's fat.
C. This is Eddie. He's nine. He's short. He's thin.
找出单词中不同类的词语()