Answer:
Malware is the shortened form of malicious software. Malware is an umbrella term used to refer to a variety of forms of hostile or intrusive software including Ransom wares, Computer Viruses, Worms, Trojan Horses, Spyware, Adware, Scareware etc.
You must stop at the intersection and proceed when you are aware that other turning or approaching vehicles,bicycles or pedestrians have stopped.
Answer:
Selection statements (sometimes called conditional statements) can be defined as code (statements) that is executed only when a certain condition is satisfied.Selection is a powerful tool to control when and which code statements will run.
Answer:
方法/步骤
右键单击以选择此计算机，然后有一个菜单来选择属性。
选择后，打开属性面板以找到我们的高级系统设置。
打开后，我们在系统设置下找到高级设置。
打开后，我们看到下面有一个环境变量选项。
打开后，我们在右下角看到一个删除选项。
单击删除到，在右下角后单击删除，然后单击确定的选项。 ...
本文未经授权摘自百度经验
<span>When you protect a workbook, you control the ability users have, to make changes to the file. This is t</span><span>o prevent other users from making changes, functions like adding, moving, deleting, or hiding worksheets, and renaming worksheets, you can </span>protect<span> it </span><span>with a password. </span>
