From the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries. You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message. Which method would you follow to achieve this？（） 正确。 错误。
电子商务法与其他相关法律的实施上，不可偏废，在本国电子商务活动与国际电子商务活动的法律待遇上，应一视同仁，这具体体现了电子商务法的（） 正确。 错误。
大体积混凝土常用的外加剂是（）。 正确。 错误。
馈线的尾部入室前要作出一个回水弯，以防止雨水顺馈线流入基站室内为标准。建议回水弯切角大于（）度但必须在此种馈线规定的最小转弯半径内。 正确。 错误。
You notice that the performance of the database has degraded because of frequent checkpoints. Which two actions resolve the issue（） 正确。 错误。
用人单位的社会保险登记事项发生变更或者用人单位依法终止的，应当自变更或者终止之日起三十日内，到社会保险经办机构办理变更或者注销社会保险登记。
