我国加入世界贸易组织有利于（　　）

①我国平等地与其他国家和地区进行贸易交往　②促进我国的经济体制改革　③推动我国经济结构的战略调整和技术进步　④更好地保护民族工业不受国际竞争的冲击．

读文章，判断正误。

Hello. I’m a pupil. I am in Grade Six of Yu Ying Primary School. There are some rules(规则) in my school. Don’t be late for school. Don’t ride a bike at school. Don’t run in the classroom. Don’t draw on the wall. We must put the rubbish into the rubbish bin. You can jump and play in the playground. Don’t talk in class. Don’t eat anything in class. Listen to the teachers carefully in class.