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【单选题】
Note the output of the following query;   SQL> SELECT flashback_archieve_name, status FROM dba_flashback_archieve; FLASHBACK_ARCHIEVE_NAME STATUS FLA1   You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table:   ALTER TABLE exchange_rate FLASHBACK ARCHIEVE;   What is the outcome of this command?()
A.
The table uses the default Flashback Data Archive.
B.
The Flashback Data Archive Is created In the SYSAUX tablespace.
C.
The Flashback Data Archive is created in the same tablespace where the tables are stored.
D.
The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.
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参考答案:
举一反三
【单选题】下列关于校园宣讲会错误的是()
A.
校园宣讲会比大型招聘会更加具体
B.
一次宣讲会胜过网上搜索一天的成果
C.
有了目标的同学没必要去宣讲会
D.
参加宣讲会可以更加直观地了解工作
【单选题】非霍奇金淋巴瘤化疗首选的方案是
A.
MP方案;
B.
CHOP方案;
C.
M0PP方案;
D.
VDP方案;
E.
DA方案;
【单选题】At the news that his wife fell off the building, he rushed out of the house, ________his threeyearold boy ________. [     ]
A.
leaving; crying
B.
left; crying
C.
to leave; cry
D.
leave; to cry
【单选题】____ 可采用滚动轴承。 A. 大型低速柴油机曲轴 B.大型水轮发电机推力轴承 C. 轧钢机轧辊轴承 D.蒸汽涡轮发电机转子
A.
B.
C.
D.
D
【判断题】阻止辊子滚动的滚阻力偶矩随辊子承受载荷的增大而增大,可见采用滑动轴承比采用滚动轴承更佳。
A.
正确
B.
错误
【单选题】His ____ look on his face suggested that he was ____ to hear the _____ news.
A.
surprising, surprised, surprised
B.
surprised, surprising, surprised
C.
surprised, surprising, surprising
D.
surprised, surprised, surprising
【简答题】After he heard the news that his class team had lost in the , his d______ was great.
【单选题】VHF 设备的话筒有一个按压开关(PTT),此开关的作用是_____。(130758:第9章 VHF与VHF-DSC设备) (A-0,B-0,C-0,D-0,错误-0)
A.
按下此开关,接收机工作,发射机不工作
B.
按下此开关,接收机不工作,发射机工作
C.
按下此开关,接收机和发射机都不工作
D.
松开此开关,接收机和发射机都不工作
【单选题】每个村至少培养3名草根宣讲员,每年全覆盖式宣讲不少于6次,分类宣讲不少于12次。()
A.
正确
B.
错误
【单选题】Who told the man the news?
A.
His sister.
B.
His father.
C.
His mother.
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