有些食物中含非金属元素较多，如氯、硫、磷等，在人体内代谢后可形成阴离子酸根，这类食物在生理上称为成酸性食物，习惯上称为酸性食物；而有些食物含金属元素较多，如钾、钠、钙、镁等，在人体内代谢后可形成含金属阳离子的碱性物质，这类食物在生理上称为碱性食物．请问：

（1）肉类、蛋类、鱼贝类属于____（填酸性或者碱性）食物；

（2）蔬菜、水果、薯类属于____（填酸性或者碱性）食物．

阅读下面短文，用所给动词的适当形式填空，使短文完整、通顺。每空不限一词。
     Rose is one of the funniest girls in her class. She looks like a boy, and she is good at ____ (perform). So she____ (choose) to play Harry Potter by her classmates last week. She said happily, “I'm sure that I ____ ( do )the job well because I____ (see) the movie many times already.”
    Dick, one of Rose's best classmates, is also an actor in the play. He____(like) to perform the play with Rose. He said, “We are confident that we____ (do) well in our school art festival next week.”
    Mrs. Smith, their teacher, pays much attention to their play. She often____(encourage) them. Yesterday afternoon when she ____ (watch) their performance, she took photos of them. And the photos____(send) to their headteacher next month. They hope their performance ____ (be) the best.