问题
单项选择题
防止软盘感染病毒的有效方法是( )。
A.对软盘进行格式化
B.对软盘进行写保护
C.对软盘进行擦拭
D.将软盘放到软驱中
答案
参考答案:B
解析: 对软盘进行写保护后只能读取软盘中存储的信息,不能对软盘进行写操作,就不会使软盘感染计算机病毒。
防止软盘感染病毒的有效方法是( )。
A.对软盘进行格式化
B.对软盘进行写保护
C.对软盘进行擦拭
D.将软盘放到软驱中
参考答案:B
解析: 对软盘进行写保护后只能读取软盘中存储的信息,不能对软盘进行写操作,就不会使软盘感染计算机病毒。
Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
Stress is a natural part of everyday life and there is no way to avoid it. In fact, it is not the bad thing as is often 小题3: to be. A certain amount of stress is vital to provide motivation and give purpose to life. It is only when the stress gets out of control that it can lead to poor 小题4: and ill health. The amount of stress a person can stand depends very much on the individual. Some people are not afraid of stress, and such characters are obviously prime 小题5: for managerial responsibilities; others lose heart at the first sign of unusual difficulties. When 小题6: to stress, in whatever form, we react both chemically and physically. In fact we make choice between “flight or fight” and in more primitive (远古的) days the choices made the difference between life or death. The 小题7: we meet today are unlikely to be so extreme, but however little the stress, it 小题8: the same response. It is when such a reaction lasts long, through continued exposure to stress, that health becomes 小题9: . Since we can’t remove stress from our lives (it would be unwise to do so even if we could), we need to find ways to deal with it. |