The two most common optical disks are CD and （).A、CD－RB、CD－ROMC、CD－RWD、DVD

A.flatbed scanners

B.hand-held scanners

C.auto scanners

D.handler scanners

A.hand-held scanners

B.flatbed scanners

C.auto scanners

D.handler scanners

The two most common specialized fields of accounting in practice are()

A. forensic accounting and financial accounting

B. managerial accounting and financial accounting

C. managerial accounting and environmental accounting

D. financial accounting and tax accounting systems

A.managerial accounting and financial accounting

B.managerial accounting and environmental accounting

C.forensic accounting and financial accounting

D.financial accounting and tax accounting systems

Communicating via E-mail is by far the most common Internet activity. You can (1) with anyone in the world who has an Internet address or E-mail (2) with a system connection to the Internet. All you need is (3) the Internet and an E-mail program Two of the most widely used E-mail programs are Microsoft's (4) and Netscape's Navigator. A typical E-mail message has three basic (5) ：header, message, and signature.

A．connect

B．exchange

C．communicate

D．game

ives its owner the right to convert the bond to a fixed number of shares of the issuer’s common stock. The convertibility option in the second bond cannot be exercised for five years. The bonds are otherwise identical. Compared with the yield on the convertible bond, the yield on the bond with the embedded option is most likely:

A. lower.

B. the same.

C. higher.

not meant to handle the large volumes of traffic so common today. __________, the streets in the center of Toronto are narrow and the traffic moves very slowly, particularly at rush hour. Cities such as Jakarta and Bangkok are famous for their traffic jams and, _________, a 10 km journey can take up to two hours.

A.For one thing ... for the other thing

B.As a result ... in all

C.For instance ... in fact

D.Meanwhile ... in case