皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
层流净化法( )
A.
用于含有热不稳定的物质的培养基、试液或液体药物的灭菌
B.
适用于表面灭菌、无菌室的空气及纯化水的灭菌
C.
用压力大于常压的饱和水蒸汽加热杀灭微生物的方法
D.
使微粒在空气中移动但不沉降和蓄积的方法
E.
除去空气中悬浮的尘埃和细菌等以创造空气洁净的环境
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【判断题】显示和隐藏标尺的快捷键是Ctrl+D
A.
正确
B.
错误
查看完整题目与答案
【判断题】当我们还在大张旗鼓地宣传以学科为中心的时候,世界一流大学已经开始瞄准以学生为中心的本科教学,重视质量、重视人才培养已经成为世界高等教育的共识和趋势。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】You executed the following commands：   SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false； SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’，’false’）； SQL> EXECUTE DBMS...
A.
The statistics are stored in the pending statistics table in the data dictionary.
B.
The statistics are treated as the current statistics by the optimizer for all sessions.
C.
The statistics are treated as the current statistics by the optimizer for the current sessions only.
D.
The statistics are temporary and used by the optimizer for all sessions until this session terminates.
查看完整题目与答案
【单选题】You executed the following commands: Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?（）
A.
The statistics are stored in the pending statistics table in the data dictionary.
B.
The statistics are treated as the current statistics by the optimizer for all sessions.
C.
The statistics are treated as the current statistics by the optimizer for the current sessions only.
D.
The statistics are temporary and used by the optimizer for all sessions until this session terminates.
查看完整题目与答案
【单选题】名为“Statistics”的工作表的A4单元格的地址应表示为______。
A.
A4!Statistics    
B.
Statistics/A4
C.
Statistics!A4  
D.
Statistics＼A4
查看完整题目与答案
【单选题】听力原文：W： Mary wants to take statistics this year, but according to the requirements, she has to take the accounting course first. M: She may ask Professor Lee Smith if she could take them simultaneousl...
A.
Professor Smith will help Mary to take the course simultaneously.
B.
Mary will probably postpone taking the course of statistics.
C.
Mary will require taking the accounting course first.
D.
Mary will take the course of Professor Smith.
查看完整题目与答案
【单选题】下列植物为一年生植物的是
A.
千日红
B.
菊花
C.
万年青
D.
月季
查看完整题目与答案
【单选题】显示和隐藏标尺的快捷键是?
A.
Alt+Ctrl+R
B.
Ctrl+R
C.
Ctrl+V
D.
Ctrl+C
查看完整题目与答案
【单选题】显示和隐藏标尺的快捷键是?
A.
Ctrl+R
B.
Shift+Ctrl+R
C.
Ctrl+H
D.
Ctrl+‘
查看完整题目与答案
【判断题】当我们还在大张旗鼓地宣传以学科为中心的时候,世界一流大学已经开始瞄准以学生为中心的本科教学,重视质量、重视人才培养已经成为世界高等教育的共识和趋势。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【判断题】显示和隐藏标尺的快捷键是Ctrl+D
A.
正确
B.
错误
查看完整题目与答案
【判断题】当我们还在大张旗鼓地宣传以学科为中心的时候,世界一流大学已经开始瞄准以学生为中心的本科教学,重视质量、重视人才培养已经成为世界高等教育的共识和趋势。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】You executed the following commands：   SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false； SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’，’false’）； SQL> EXECUTE DBMS...
A.
The statistics are stored in the pending statistics table in the data dictionary.
B.
The statistics are treated as the current statistics by the optimizer for all sessions.
C.
The statistics are treated as the current statistics by the optimizer for the current sessions only.
D.
The statistics are temporary and used by the optimizer for all sessions until this session terminates.
查看完整题目与答案
【单选题】You executed the following commands: Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?（）
A.
The statistics are stored in the pending statistics table in the data dictionary.
B.
The statistics are treated as the current statistics by the optimizer for all sessions.
C.
The statistics are treated as the current statistics by the optimizer for the current sessions only.
D.
The statistics are temporary and used by the optimizer for all sessions until this session terminates.
查看完整题目与答案
【单选题】名为“Statistics”的工作表的A4单元格的地址应表示为______。
A.
A4!Statistics    
B.
Statistics/A4
C.
Statistics!A4  
D.
Statistics＼A4
查看完整题目与答案
【单选题】听力原文：W： Mary wants to take statistics this year, but according to the requirements, she has to take the accounting course first. M: She may ask Professor Lee Smith if she could take them simultaneousl...
A.
Professor Smith will help Mary to take the course simultaneously.
B.
Mary will probably postpone taking the course of statistics.
C.
Mary will require taking the accounting course first.
D.
Mary will take the course of Professor Smith.
查看完整题目与答案
【单选题】下列植物为一年生植物的是
A.
千日红
B.
菊花
C.
万年青
D.
月季
查看完整题目与答案
【单选题】显示和隐藏标尺的快捷键是?
A.
Alt+Ctrl+R
B.
Ctrl+R
C.
Ctrl+V
D.
Ctrl+C
查看完整题目与答案
【单选题】显示和隐藏标尺的快捷键是?
A.
Ctrl+R
B.
Shift+Ctrl+R
C.
Ctrl+H
D.
Ctrl+‘
查看完整题目与答案
【判断题】当我们还在大张旗鼓地宣传以学科为中心的时候,世界一流大学已经开始瞄准以学生为中心的本科教学,重视质量、重视人才培养已经成为世界高等教育的共识和趋势。
A.
正确
B.
错误
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题