将直线y=2x向上平移2个单位长度所得的直线的解析式是（    ）

“你从雪山走来， 春潮是你的风采；你向大海奔去，惊涛是你的气概。……”是《长江之歌》的歌词,这里的“雪山、大海”是指（     ）

    My name is Maggie.I am a 13-year-old Canadian girl. I live in Toronto. It's a very big city. I can speak English and French. I have classes from 8:00 a.m. to 2:40 p.m. I have lunch at school. Many girls love playing volleyball after school, but I like swimming. I have a big family, my father, my mother and two brothers. I think China is a great country. I want a Chinese pen pal.

    Please sendemails to me if you want to be my pen pal. My email address is maggie13@yahoo.com.