___ is a major cause of many problems: energy and food crisis, damage to the environme

The major cause of fuel pump and injection system problems is _____.

A.improper adjustments

B.contaminated fuel

C.kinked fuel lines

D.excessive engine vibration

A. major

B. majority

C. minor

D. minority

Drunken driving is often the major _____ of traffic accidents.

A. reason

B. cause

C. excuse

D. way

此题为判断题(对，错)。

A. RAID 0 configuration

B. PBX software

C. DHCP server

D. Anti-virus software

A.dirt

B.fuel oil

C.governor cooling water

D.fuel oil tar(焦油)

(6)

A．Information technology system can cause operational risk.

B．A major fire can be a cause of operational risk.

C．The most important types of operational risk involve breakdowns in internal controls and corporate governance.

D．Other aspects of operational risk include firing its dealers, lending officers or other staff exceeding their authority or conducting business in an unethical or risky manner.

A、 historical reason and class reason

B、 historical reason and psychological reason

C、 class reason and psychological reason

D、 extra-linguistic factors and linguistic factors

A. There is a strong association between drug use and crime.

B. Drug abuse is a major cause of unemployment.

C. There are great economic losses because of drug abuse.

D. Drug dependence takes a significant toll in terms of personal health and safety. .

In the author’s opinion, advertising

A.emerges in the wake of the anti-happy part. B.is a cause of disappointment for the general peer C.replace the church as a major source of information D.creates an illusion of happiness rather than happiness itself.