读短文，填空
Hello ! My name is Amy .I'm a girl .I'm from England. Look !This is my father and this is my mother .My father is a teacher. My mother is a doctor .The boy is my brother .He's eight .He's a student .who's this girl ? Can you guess??
—Can you play guitar?
—No．I can play football．
下列各句表达方式不同于其他三句的一项是( )
关于电磁波，下列说法错误的是（ ）
