[单项选择]Your performance in the driving test didn't reach the required standard—______, you failed.
A. in the end
B. after all
C. in other words
D. at the same time

[单项选择]Your performance in the driving test didn't reach the required standard-- _______ , you failed.
A. in the end
B. after all
C. in other words
D. at the same time

[单项选择]The movie star ______ with your sister, didn't he
A. was used to dance
B. used to dancing
C. used to dance
D. was used to dancing

[单项选择]--I didn't do well in the English test. How about you --______.

[单项选择]I didn't know your mobile phone number; otherwise I （）you the moment I got to Washington。
A. have rung
B. wound ring
C. have rung
D. wound have rung

[单项选择]Why didn't you bring your notebook I remember I ______ it!

[单项选择] Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup.  What would you do to recover the data file（）
A. Take the USERS tablespace offline and re-create the lost data file.
B. Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.
C. Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.
D. Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online.

[单项选择] In your test database， you have created the ORDERS table as an index/x7forganized table （IOT）. To facilitate faster querying， you have created a mapping table and a bitmap index on the ORDER_FILLED column. You observe that the query performance degrades when users perform a large volume of transactions.  While investigating the reason， you find that the mapping table segment is fragmented， leading to poor performance. Which option would you use to defragment the mapping table without affecting the original table data？（）
A. export and import the mapping table
B. drop and re­create the mapping table
C. truncate the mapping table and reinsert the values
D. use the ALTER TABLE .. REBUILD command to defragment the mapping table

[单项选择]I passed the test. I _______ it without your help.
A. would not pass
B. wouldn’t have passed
C. didn’t pass
D. had not passed

[单项选择]Your test database is running in NOARCHIVELOG mode. What are the implications of this？ （）
A. You can perform open database backups.
B. You can perform closed database backups.
C. You cannot perform schema-level logical backups.
D. You can perform the backup of only the SYSTEM tablespace when the database is open.