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听下面一段独白,回答1-3题。1.Whoisthespeakerprobablytalkingto?[]A.Hisofficestaff.B.Histechnicalofficers.C.Hiscustomers.2.Whatisthetalkmainlyabout?[]A.Howtoremovea

题目详情
听下面一段独白,回答1-3题。
1. Who is the speaker probably talking to?
[     ]
A. His office staff.
B. His technical officers. 
C. His customers.
2. What is the talk mainly about?
[     ]
A. How to remove a computer virus.
B. A warning about a computer virus attack.
C. The damage computer viruses can cause.
3. What are the listeners asked to do?
[     ]
A. Stop using their email accounts.
B. Stop visiting unknown websites.
C. Increase their computer security.
▼优质解答
答案和解析
1-3: A B C