发现记账凭证有错误，可随时删除或修改。（）A．正确B．错误

Surgeons can now carry out operations which ______.

A．can be performed successfully only on the human eye

B．result in long periods of recovery time for patients

C．result in very little damage to the patients

D．are made much more complicated by using the laser beam

Surgeons can now carry out operations which ______.

A．can be performed successfully only on the human eye

B．result in long periods of recovery time for patients

C．are made much more complicated by using the laser beam

D．result in very little damage to the patients themselves

The writer implies that ______.

A．difficult operations can be successfully performed all over the world now

B．compared to the "third revolution" in surgery, the first two are less important

C．all patients can be cured by a gall bladder-removal operation

D．a new breakthrough has been made in surgery

A.Finding queries that are not using indexes

B.Finding rows that are locked by InnoDB

C.Finding client connection attributes

D.Finding the part of a code in which a single query is spending time

E.Finding the size of each table

The writer implies that ______.

A．difficult operations can be successfully performed all over the world now

B．compared to the "third revolution" in surgery, the first two are less important

C．all patients can be cured by a gall bladder-removal operation

D．a new breakthrough has been made in surgery

—_______________________________

—We have three major divisions Operations, Sales and Marketing, Finance and Administration.

A、How many departments do we have？

B、Which division are you in？

C、Which department shows the best？

A. The C # # B_ADMIN user can perform all backup and recovery operations using RMAN only.

B. The C # # C_ADMIN user can perform the data guard operation with Data Guard Broker.

C. The C # # A_ADMIN user can perform wallet operations.

D. The C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).

E. The C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.

A.Visual Explain

B.Activity Monitor

C.SQL Performance Monitor

D.DB2 Performance Monitor

What conclusion can we come to, according to the passage？

A．In a sense we may call the United States a "bypass nation".

B．In Canada and the U.K. bypass operations are less performed because their medical levels are relatively lower.

C．Bypass operations can solve the heart patients' problems once and for all.

D．Recent study shows that nearly all of the bypass operations in the United States are proved useless and needless.

Insurance can provide ninny kinds of protection which can be divided into three types.

A．Y

B．N

C．NG