问题
单项选择题
硬盘工作时，应特别注意避免( )。
A．强烈震动
B．噪声
C．光线直射
D．环境卫生不好
答案
参考答案：A
解析： 硬盘工作时，应特别注意避免强烈的震动，以免损坏盘片。软盘使用时应注意避免强光照射和强磁场干扰；不要用手触摸读写孔处暴露的磁表面，以免玷污和划伤盘片。
搜题请搜索小程序“爱下问搜题”
硬盘工作时，应特别注意避免( )。
A．强烈震动
B．噪声
C．光线直射
D．环境卫生不好
参考答案：A
解析： 硬盘工作时，应特别注意避免强烈的震动，以免损坏盘片。软盘使用时应注意避免强光照射和强磁场干扰；不要用手触摸读写孔处暴露的磁表面，以免玷污和划伤盘片。
| 完形填空。 David is 8. One day his friend Rose __1__ to him, "This Sunday is my birthday. Do you want __2__ to my birthday party?" David says, "Yes." On Sunday, David asks his mother if he can go to the party. His mother says, "Yes, you can go, but you __3__ be polite. Don't __4__ for any food. Someone will give you __5__." "All right, Mum." David answers and he goes to Rose's house __6__ his bike. There are __7__ children at the party. They play together, and then Rose's mother gives them some food. But she forgets David. He __8__ for some time, and then he takes his __9__ to her and says, "Do you want a nice _10__ plate?" | ||||
|