What service must be paid for?-考呗网题库移动版

单选题 What service must be paid for?

A．Computer classes．
B．Training sessions．
C．Laser printing．
D．Package borrowing．

参考答案C

解析: C。本题出题点在短文结尾处。短文最后提到，点矩阵打印输出是免费的，而激光打印机需收费，故本题选C。

单选题 The talk is mainly about________．

A．computer lab services
B．college library facilities
C．the use of micro-computers
D．printouts from the laser printer

单选题听录音，回答以下问题：
We can learn from the passage that when twisting around, ________．

A．people can't fall asleep
B．people may feel relaxed
C．people's blood pressure increases
D．people may find a more comfortable position

单选题 What is NOT mentioned as a factor contributing to insomnia?

A．Resting frequently during the day．
B．Doing little exercise．
C．Sleeping late on weekends．
D．Having heart disease．