Repeated failures could undoubtedly（)one’s self-confidence.

A.substantial

B.influential

C.beneficial

D.potential

A. failures because a data file is renamed by error

B. failures when no standby database is configured

C. failures that require no archive logs to be applied for recovery

D. failures due to loss of connectivity-for example, an unplugged disk cable

A.lack

B.with

C.having

D.scarcity

In forestry, market failures that could exist (but are not necessarily widespread ) include poorly ______, ______, ______, ______, unpriced negative and positive side effects, and outputs not easily priced

ilures were found since last LIST FAILURE commandWhich statement describes the scenario that must have produced this warning？（）

A. The CHANGE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository(ADR)

B. The VALIDATE DATABASE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR)

C. The ADVISE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE

D. The RECOVER command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE command was executed

A.of

B. in

C.from

Travelers now believe that the root cause for failures of British railway is

[A] its structural design.

[B] the pursuit of profit.

[C] its inefficient network.

[D] the lack of safety guarantees.

A. In spite of

B. In contrast to

C. As a matter of

D. As a result of

Water and soil pollution is the _____ of crop failures in the region.

A.cause

B.reason

C.factor

D.fact