扩句
①鲜花盛开了。
②小华做操。
①一朵朵鲜花在原野里盛开了。②小华在操场上做儿童广播体操。
电磁铁属于永久性磁铁。( )
雪地上，紧急刹车后，车向前滑行了一段距离后最终停下，在这一过程中，汽车是否做了功？如果做了功，请指出是对什么做了功？如果没有做功，请说明理由。
根据材料内容，选择正确答案。
MOVIE GUIDE THURSDAY
Rush Hour 15:00 23:00
My Life as Mcdull 9:00 13:00
①Action Movie
Do you like Jackie Chan? Rush Hour is another movie of his. It's so exciting. Come and have fun!
②Cartoon
Mcdull is a little pig. He's kind of silly but he's very cute. Do you want to enjoy happiness with him? Be sure to watch it!
Mr. Bean 11:00 19:00
Harry Potter Ⅲ 17:00 21:00
③Comedy
Rowan is a great actor. His movie Mr. Bean is coming. It's very funny. Don't miss it!
④Science Fiction
Harry Potter has been in the wizardry school (魔法学校) for three years. He begins a new life. How is everything going?
读植物嫁接的过程示意图，回答下列问题
