若分式x+1x-2无意义,则x=______;若该分式的值为0,则x=_____ 发布时间:2017-05-18 04:12 │ 来源:www.tikuol.com 题型:填空题 问题: 若分式x+1x-2无意义,则x=______;若该分式的值为0,则x=______.
题型:填空题 Daming always ________ his mother ________ the housework at weekends. [ ]A. help; doB. helps; do C. helps; doing D. help; to do 查看答案
题型:填空题 采用证券给付结算方式行权且权证在行权期满时为价内权证的,代为办理权证行权的证券经纪商应在权证期满前的()个交易日提醒未行权的权证持有 * * 证即将期满,或按事先约定代为行权。A.2B.3C.4D.5 查看答案