問 我是一(yi)名在校大學生，剛剛在濟南找了一(yi)份兼(jian)(jian)職(zhi)，公司讓簽合同(tong)(tong)，做(zuo)兼(jian)(jian)職(zhi)有必要(yao)簽合同(tong)(tong)嗎？簽合同(tong)(tong)的作用(yong)是什么？

答 1．它(ta)(ta)是(shi)(shi)勞動(dong)(dong)者實現勞動(dong)(dong)權的重(zhong)要(yao)(yao)保障； 　　 2．它(ta)(ta)是(shi)(shi)用(yong)人單位合理使用(yong)勞動(dong)(dong)力、鞏固勞動(dong)(dong)紀律、提(ti)高勞動(dong)(dong)生產率的重(zhong)要(yao)(yao)手(shou)段； 　3．它(ta)(ta)是(shi)(shi)減(jian)少和(he)防止發生勞動(dong)(dong)爭議的重(zhong)要(yao)(yao)措(cuo)施； 　　 4．它(ta)(ta)是(shi)(shi)建立規范有效(xiao)勞動(dong)(dong)關系的重(zhong)要(yao)(yao)載(zai)體。