The speaker is advised to speak slowly in order to help the listener to______.
A．remember some words
B．repeat the information
C．check the message
D．take some notes

Which of the following is NOT mentioned as the reason for scammers to go after home computers？
A．Because of the data that contain credit card information.
B．Because of the data that contain social security numbers.
C．Because of the machines that control the high speed linkds which in mm can be used for spamming, and fraud.
D．Because of less protection of home computers.

What does Symantec Corporation sell？
A．Computers.
B．Anti-virus software.
C．Computer books.
D．Attacking softwares.

What is the size of Larsen B ice shelf before it disintegrated in the 1900s？
A．It covered more than 2,000 square kilemeters, and was 300 meters thick.
B．It covered more than 3,000 square kilemeters, and was 100 meters thick.
C．It covered more than 3,000 square kilemeters, and was 200 meters thick.
D．It covered more than 2,000 square kilemeters, and was 100 meters thick,

Which of the following suggestions are not implied in the passage？
A．Develop internet streetsmarts.
B．Be skeptical of anyone online who asks to divulge confidential information.
C．Higher levels of security protection.
D．Do not use instant messaging and phone calls online.

A．10,000 pounds.
B．1,000 pounds.
C．100,000 pounds.
D．100 pounds.