受均布荷载作用的简支梁的支反力为（）。 ["RA=ql\/2，RB=ql\/2","RA=q\/2，RB=q\/2","RA=ql，RB=ql","RA=ql\/4，RB=ql\/4"]
启动Word是指（）。 ["将Word系统软件从硬盘调入主存执行","从主存直接执行Word系统执行","只从磁盘将Word文档调入主存","显示文档内容"]
甲公司与乙公司于２006年10月签订了一份买卖钢材的合同，总价值30万元，并约定甲公司于2006年12日前交付货物，乙公司向甲公司支付了8万元的定金。合同签订后，钢材价格急剧上涨，甲公司受利益驱动，虽经乙公司多次催促，直至合同履行期满仍未交货。于是，乙公司要求甲公司返还定金。乙公司可以向甲公司请求返还多少金额？
You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE /u1/data/temp1.dbf SIZE 10M TABLESPACE GROUP ;Which statement regarding the above command is correct?（） ["It will create the tablespace TEMP1 in group G1","It will create the tablespace TEMP1 in group G3 ","It will not add the tablespace TEMP1 to any group","It will create the tablespace TEMP1 in the default group","It will throw an error with message 'specified group is not available","It will create a new group with a system-generated name and add the tablespace TEMP1 to it."]
柴油机出现“飞车”现象可能是（）引起的。 ["油门踩得过大","喷油器漏油","喷油泵弹簧过硬","调速器失效"]
论述调节回流后对产品产量的影响因素？
