更多"[单选题] Downwind for 1 miles，alter t"的相关试题:
[单选题] How can you reduce ship’s downwind progress in deep water?
A. By lowering the anchor to about 60 fathoms
B. By lowering the anchor to about 30 fathoms
C. By lowering the anchor to about 10 fathoms
D. Not possible
[单选题] You are docking a vessel starboard side to with the assistance of two tugs．You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power．You must ensure that ______．
A.steerageway is not taken off
B.the bow doesn't close the dock first
C.the bow closes the dock first
D.the ship has no headway at the time
[单选题] Our starboard derrick boom of hatch No.4 is badly
Cracked ______ that it has become entirely useless．
A.At its goose neck to such a extent
B.At it's goose neck to such an extent
C.At it's goose neck for such a extent
D.At its goose neck to such an extent
[单选题] We shall change course ______ starboard.
A. on
B. to
C. in
D. of
[填空题]在国家标准中规定，使用“downwind”来表示（）。 0分)
[单选题]有关alter system说法正确的是
A.只有超级用户能够使用ALTER SYSTEM
B.alter system会把给出的参数设置写入到postgresql.conf中
C.使用alter system更改的参数，都需要重启数据库来使其生效
D.alter system可以被回滚
[单选题]有关alter role用法正确的是
A.更改角色的属性
B.可以更改角色的名称和密码
C.更改角色的配置变量的会话默认值
D.更改角色的配置变量的当前会话值
[单选题]MilEs手术适应证是
A.肿瘤下缘距肛门10Cm以上
B.肿瘤下缘距肛门5～10Cm
C.肿瘤直径3Cm以内
D.肿瘤下缘距肛门5Cm以内
E.肿瘤直径5Cm以上
[单选题] Documented vessel operating over 50 miles offshore must carry an inflatable liferaft with a ______．
A.SOLAS A pack
B.SOLAS B pack
C.Coastal pack
D.Small vessel pack
[单选题]alter table tb1 add airplane char(4);表示（）。
A.新建表
B.修改表
C.增加字段
[单选题]通过下列SQL提升性能: SQL> ALTER TABLE subscribe_log STORAGE (BUFFER_POOL recycle); 其中SUBSCRIBE_LOG是包含一百万行数据大表，提升性能的原因是（____）。
A. 没有配置keep池
B. 未启用ASMM内存管理
C. SUBSCRIBE_LOG表中数据极少被访问
D. 没有配置Automatic Workarea Management
[单选题]Oracle 跟踪10046事件可以跟踪SQL语句，开启命令为“alter session set events '10046 trace name context forever, level 12';”，其中trace含义是(____)。
A. 当事件发生时，数据库必须执行的操作
B. 表明转储或跟踪的类型
C. 声明Oracle应该生成一个特定于上下文的跟踪
D. 声明跟踪的级别
[单选题] When visibility is reduced to about 5 miles，we say that visibility is _______.
A. very good
B. good
C. poor
D. moderate
[判断题]某数据库发生Ora-04031报错，可采用alter system flush shared_pool进行临时处理。
A.正确
B.错误
[判断题]仅对当前会话开启10046事件命令为“alter system set events '10046 trace name context forever, level 12';”。
A.正确
B.错误
[多选题]通过设置10046事件可以查看执行计划，语句如“alter session set events '10046 trace name context forever, level 8';”，其中level有关说法正确的是（____）。
A. level 1输出和使用sql_trace相同
B. level 4包括绑定变量值
C. level 8包括等待事件
D. level 12包括level 4和level 8
[单选题]Oracle数据库使用alter system修改参数SCOPE可选值不包括（____）。
A. MEMORY
B. SPFILE
C. PFILE
D. BOTH
[单选题]早期直肠癌患者,行直肠癌根治术(Miles手术),术后病人拒绝见人,其护理诊断是
A.不合作
B.绝望
C.悲哀
D.焦虑
E.自我形象紊乱
[单选题]早期直肠癌患者，行直肠癌根治术(Miles手术)，术后患者拒绝见人，其护理诊断是
A.自我形象紊乱
B.绝望
C.悲哀
D.焦虑
E.不合作
