以下问句中哪些是错误的？（） 油比重较大时粘度大，流动点为-3至+3℃左右。 天燃气含甲烷在70%以上。 油层水和采水井中采上来的地下水相比较氯根要低。
黄先生，45岁。触电后心脏骤停，初期复苏虽成功，但患者意识丧失，需进行二期复苏使用复苏药物首选的给药途径是（） 心内注射。 气管内滴注。 臀大肌注射。 肘静脉注射。 皮下注射。
Your database instance is currently configured to support 1，500 connections. The Web applicationthat uses the database allows a large number of users to work with the database simultaneously. Someusers of the Web application do not interact with the server all the time. You want to increase the scalability by configuring the database instance to handle more connections. Asa DBA， which configuration would you set to support more than 1，500 connections at a time（） You would configure more listeners for the database.。 You would configure the database in shared server mode to use the connection pooling feature.。 You would increase the value of the PGA_AGGREGATE_TARGET initialization parameter that assigns more session memory to users.。 You would decrease the value of the PRIVATE_SGA resource limit in the profiles used by the users to accommodate more session information.。
What is the correct command to stop the currently executing job "test" in JOBS job stream on a local machine？（） conman "k test"。 conman "cj test"。 conman "k jobs.test"。 conman "cj jobs.test"。
水利部定期向社会公布取得监理员资格的人员名单，接受社会监督。
When discussing plant maintenance with plant maintenance managers, frequently the topic of using preventive maintenance (PM) comes up. If this is used extensively and the PM work orders are regularly completed, what is told by this about the operation?（）
