[单项选择]The planes disappeared immediately after they took off.

[单项选择].The Spanish Flu disappeared two years after it broke out.
A. Right
B. Wrong
C. Not mentioned

[单项选择]The planes disappeared when they were flying near the United States.

[单项选择]The planes disappeared because there was a storm.

[单项选择]What did Hans Bussman do immediately after the war was over
A. He went to hospital to have his wounds treated.
B. He left his unit and walked back to his hometown.
C. He inquired after his family but found no mark or sing of them.
D. He settled down in a village near his home.

[多项选择] Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）
A. Define the POWER option while adding or removing the disks
B. Increase the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.
C. Increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
D. Increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES

[单项选择]The plane crashed shortly after it took off.

[单项选择]The child was ______ immediately after supper.
A. so tired that he went to bed
B. enough tired to go to be
C. too tired to go to bed
D. very tired, he went to bed

[单项选择]I took a glimpse of the taxi before it disappeared around the comer of the street.
A. 我瞥见一辆出租车消失在街道的拐角处。
B. 我打了一辆出租车，然后消失在街道的拐角处。
C. 我注视着一辆出租车，它消失在街道的拐角处。
D. 我打了一辆出租车，它从拐角处驶来。

[单项选择]The plane ______ a few minutes after it took off and most of the passengers died.
A. collided
B. crushed
C. crashed
D. smashed

[多项选择] Immediately after adding a new disk to or removing an existing disk from an Automatic StorageManagement （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels.  Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）
A. increase the number of checkpoint processes
B. define the POWER option while adding or removing the disks
C. increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
D. increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
E. increase the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal process

[单项选择]After I heard that I took a deferred pass in botany, I was in a ______ emotional state.
A. highly
B. doubtfully
C. greatly
D. nervously

[多项选择]Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）
A.  increase the number of checkpoint processes
B.  define the POWER option while adding or removing the disks
C.  increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
D.  increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
E.  increase the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal

[单项选择]A Martin bomber also disappeared.

[单项选择]Compared with trains and planes, the disadvantage of buses is their ______.
A. cheap fare
B. frequent travel
C. speed
D. directness

[单项选择]My English-Chinese dictionary has disappeared. Who ______ have taken it
A. should
B. must
C. could
D. would

[单项选择]The airline flies aero planes to cities like Paris ______.
A. day and night, right through the week
B. two or three times a week
C. at any times of the day, but not at night
D. fight through the day, two or three times a week

[单项选择]（） aeroplanes in this company are Boeing planes.
A. Most of
B. Most
C. The most

[单项选择]-- My model plane has disappeared, mum. I Who ______ have taken it
A. should
B. must
C. could
D. might