[简答题]The more people you meet,especially while ( do )____volunteer work,the more contacts you' ll have.（5.0）

[不定项选择题]While backing up to an SBT channel, you determine that the read phase

Of your compressed Recovery Manager (RMAN) incremental level 0 backup

Is a bottleneck. FORCE LOGGING is enabled for the database. Which two

Could improve read performance? (Choose two.)

A.

Increase the size of tape I/O buffers.

B.

Disable FORCE LOGGING for the database.

C.

Increase the size of the database buffer cache.

D.

Enable asynchronous disk I/O.

E. Increase the level of RMAN multiplexing.

[单选题]C语言中 while 和 do-while 循环的主要区别是（）。
A.do-while 的循环体至少无条件执行一次
B.while的循环控制条件比 do-while的循环控制条件更严格
C.do-while 允许从外部转到循环体内
D.do-while 的循环体不能是复合语句

[填空题] More and more （ ） die because of the serious pollution. 【bird】

[单选题]Schools must meet the _______ of new technology.
A.arrive
B. arriving
C. challenging
D. challenge

[单选题] They agreed to meet the ______ week in the People’s Park.
A. exact
B. following
C. early
D. late

[填空题]The driver fell ( ) while driving and killed an old man.(sleep)

[单选题] The driver fell while driving and killed an old man.
A. sleeping
B. asleep
C. to sleep
D. a sleep

[单选题] If you undertake this project, you are bound to _____ difficulties.
A. counter
B. overcome
C. encounter
D. defeat

[不定项选择题]While backing up to the Oracle Fast Recovery Area (FRA), you

Determined the backup istaking too long and suspect a performance

Bottleneck. Which three are true about diagnosing and tuning these

Problems? (Choose three.)

A. If an RMAN BACKUP VALIDATE command takesroughly the same time as an
Actual backup, then both read and write I/O are likely bottlenecks.
B. Setting DBWR_IO_SLAVES to a non zero value can improve backup
Performance when using synchronous I/O.
C. If an RMAN BACKUP VALIDATE command takes noticeably lessthan an actual
Backup, then write I/O is a likely bottleneck.
D. If an RMAN BACKUP VALIDATE command takesroughly the same time as an
Actual backup, then read I/O is a likely bottleneck.
E. Data files with a high value in
V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential
Performance bottleneck when synchronous I/O is used.
F. Setting DBWR_IO_SLAVES to a non zero value can improve backup
Performance when using asynchronous I/O/
G. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a
Potential performance bottleneck when asynchronous I/O is used.

[填空题] When you eat in a western restaurant, you’d better use knife and fork（ ）【proper】

[填空题] If you learn English well, you are on the road ( )__ success.

[判断题]88．log语句SBR edundant HW failure，while STM orders SB表示为列车常用制动反馈超时。 （ ）
A.正确
B.错误

[填空题] You are asking ( )__ trouble if you let your child play with fire.

[判断题]You can stay as lon as you pay the rent in time.
A.正确
B.错误

[单选题] You may borrow this book ______ you promise to give it back.
A. in case
B. as long as
C. as if
D. even if

[单选题]—You must ______the bottle before you take the medicine.
---OK, I will.
A. break
B. shake
C. cover
D. throw

[单选题] If you renew an activity, you ______ it again.
A. began
B. begin
C. begins
D. accumulate

[单选题] ______ reason you may give, you ought not to have left homework unfinished.
A. What
B. No matter
C. However
D. Whatever

[单选题] If you _____ to the party, you’ll have a great time.
A. go
B. went
C. are going
D. have gone