调概准备工作越早实施越好。
基站内部应至少提供（）二孔、一个三孔的电源插座，插座前端有漏电保护设施。 一个。 二个。 三个。 四个。
男性，36岁，暴饮暴食后突发腹痛，疼痛呈持续性并阵发加重，伴呕吐、体温升高，被诊为急性坏死性胰腺炎，急诊行手术治疗。该患者术后第2天营养供给应采取（） 普食。 管饲流食。 要素饮食。 部分胃肠外营养。 完全胃肠外营养。
You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup， you issued the following RMAN command： RMAN> BACKUP SECTION SIZE 300M TABLESPACE users； Which two statements are true regarding the execution of the above command？（） The RMAN parallelizes the backup although the parallelism is not set for a channel.。 The backup piece size will be limited to 300 MB.。 The operation is accomplished using the default channel available.。 Three channels for the tape drive must be configured by setting the parallelism to three.。
采用工程量清单招标的，施工合同或补充协议中必须约定固定总价合同或固定单价合同，在此基础上就不必约定固定单价的调整原则。
打油时泵憋压在（）
