与Internet相连，只需一台586以上档次的微机、一条电话线及（)。A．网卡B．调制解调器C．连接器D．IP地址

A.VLANs increase the size of collision domains.

B.VLANs allow logical grouping of users by function.

C.VLANs simplify switch administration.

D.VLANs enhance network security.

A. SONET and SDH both use time-division multiplexing.

B. An optical transport network system uses time-division multiplexing.

C. SONET and SDH both use wavelength-division multiplexing.

D. An optical transport network system uses wavelength-division multiplexing.

A. VLANs increase the size of collision domains.

B. VLANs allow logical grouping of users by function.

C. VLANs simplify switch administration.

D. VLANs enhance network security.

Which of the following statements about the mobile television is TRUE？

[A] Most people use it on a train in South Korea.

[B] Most people tend to use it at home in Japan.

[C] Some people choose to use it on a train in America.

[D] Many people dislike using it on bus in South Korea.

Which of the following statements is NOT true about understatement？

A.The English understatement isn’t actually very funny.

B.The English are renowned for their use of understatement because they invented it.

C.Their strict prohibitions on gushing, emoting and boasting require almost constant use of understatement.

D.Among the English, a well-timed, well-turned understatement only raises a slight smirk at best.

Which of the following statements about verbal styles are true？

A.Personal style. is the verbal style. that emphasizes the individual identity of the speaker.

B.Western people often avoid direct fact to please the other parties.

C.Many Asians use an indirect verbal style.

D.Americans place importance on boasting about their ability and accomplishment.

Which of the following statements is true about the Research and Development Department？

A．It is a department within the Marketing Division.

B．It has two laboratories, one at each production plant.

C．The head of this department is Bill Williamson.

Which of the following statements is NOT TRUE about the umbrella？

A．No one exactly knows who was the inventor of the umbrella.

B．The umbrella was first invented to be used as protection against the sun.

C．The umbrella changed much in style. in the eighteenth century.

D．In Europe the Greeks were the first to use the umbrella.

Which of the following statements is NOT TRUE about the umbrella？

A．The umbrella was first invented to be used as protection against the sun.

B．The umbrella changed much in style. in the eighteenth century.

C．No one exactly knows who was the inventor of the umbrella.

D．In Europe, the Greeks were the first to use the umbrella.

Which of the following statements is true according to the passage？

A．The remittance ranks along with oil and tourism as Mexico's biggest foreign currency earner.

B．The average remittance sent home is between two hundred and two hundred-and-fifty dollars a month.

C．The bank suggests people not to use account to account transfers but cash to cash flows.

D．The recent crackdown on illegal immigrants by the American authorities could help migrants to use banks.