把这些句子翻译成英文:首先,我们要有乐观的人生态度,积极向上,开心过好...答:First of all, we have to have, optimistic attitude toward life, positive, happy every day. As a student, learning it is important to us, we should work hard to study, listen to the teacher carefully. We must pay attention to the healthy body, to have good eating habits, ...