单选题
Maintain Your Jazzax DVD Player

There are a few measures that you can take to ensure that your Jazzax DVD player stays in top condition for as long as possible. For the best performance, please abide by the following guidelines:
...Store the machine on a flat surface and in a dry area.
...To protect the electrical circuit, do not leave the machine on standby for long periods.
Unplug it from the electrical outlet when you know you will not be using it in the near future.
...Always use the eject button when opening and closing the machine. Handling the machine manually may cause damage to the components.
...If the machine becomes dusty or dirty, clean it gently with a damp cloth. Do not use any chemical agents.
The Jazzax DVD Players is under warranty for a maximum of 3 years. If you experience any problems with the machine, visit the Jazzax website for common troubleshooting problems and advice. Or, if the information on the website does not meet your needs, you can call the Jazzax service center at 1-800555-0786 and one of our technicians will come and take care of it.

单选题 What are customers told to do?
A. Read the warranty carefully
B. Clean the machine with gentle chemicals
C. Refrain from closing the machine by hand
D. Dry the machine after cleaning
【正确答案】 C
【答案解析】[解析] 细节判断题。本题可以使用排除法。A项和D项文中没有提及,B项与题意相反,因此选择C。
单选题 What can customers receive from the service center?
A. Troubleshooting advice B. A repair service
C. A routine maintenance check D. An extended warranty
【正确答案】 B
【答案解析】[解析] 细节判断题。在第二段最后一句话找到中心词语“service center”,后面一句话指出“如果打电话给服务中心的话,技术人员会上门维修”。因此可以排除A、C、D,选择B。