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减小刀具热变形对加工精度影响的主要措施是采用（）。

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尾班车进站停车超越屏蔽门或停车标2个车门及以上时，原则上组织后退对标上下乘客。

A. 正确
B. 错误

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在机床执行自动方式下按进给暂停键时，（）立即停止，一般在编程出错或将碰撞时按此键。

A. 计算机
B. 控制系统
C. 主轴转动
D. 进给运动

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下列（）种违反新《广告法》规定的侵权行为，需要广告主、广告经营者、广告发布者依法承担民事责任。

A. 某手机广告中出现歧视残疾人的镜头
B. 某凉茶广告中提及“XX品牌凉茶中含有不安全成分”
C. 某电动车厂商未经XX明星允许将其形象植入广告中
D. 某保健产品假冒他人专利

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You are the desktop administrator for your company. You need to upgrade a Windows 98 computer to Windows XP Professional. Windows 98 is installed in a folder named C:\Win98. You need to ensure that the computer's applications and settings are retained after the upgrade. You insert the Windows XP Professional CD-ROM into the computer and restart the computer. The text-based portion of Setup appears. The text on the screen states that Windows XP Professional will be installed in a folder named C:\Windows, not in the C:\Win98 folder. You need to ensure that Windows XP Professional upgrades the existing Windows 98 installation. What should you do?（）

A. Rename the C:\Win98 folder to C:\Windows.
B. Modify the installation settings in the text-based portion of Setup so that Windows XP Professional is installed in the C:\Win98 folder.
C. Restart the computer by using Windows 98. Then insert the Windows XP Professional CD-ROM into the computer and run Setup from the CD-RO
D. Use the Windows XP Professional CD-ROM to create a set of Setup floppy disks. Restart the computer by using the first floppy disk in the set to launch Setup.

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