向盛有NaHSO4溶液的烧杯中不断滴Ba(OH)2溶液,随着Ba(OH)2溶液的不断滴入,溶液中产生的沉淀量与pH变化情况正确的是( )
Encourage your children to try new things, but try not to ___ them too hard.
The computer was used in teaching. As a result, not only__________, but students became more interested in the lessons.
The children all turned ____ the famous actress as she entered the classroom.
Edward, you play so well. But I ______ you played the piano.
She brought with her three friends, none of ______ I had ever met before.