根据所给中文完成句子。
(1)
人生就像一场赛跑,你要么领先,要么落后。Life is .
(2)
12个生肖每个代表一农历年,它们顺序固定,而且这一循环每12年往复一次。Each of the 12 animal signs . They and the cycle repeats every 12 years.
(3)
作为教师,教学中她承担不起任何错误,所以她的工作要达到高标准。As a teacher, she , so she must .
答案: 【1】like a race. You will either take the lead or fall behind
【1】represents a lunar year【2】appear in a fixed order
【1】can't afford any mistakes【2】work to high standard