题目内容

下列关于汽车吊使用中的注意事项,不正确的是()

A. 不能超载使用
B. 支腿支完应将车身调平并锁住
C. 进度紧张时,六级风以上可以起吊,但应有人在现场监督

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铝合金检验时发现有外观质量不合格的试样时,判该批材料不合格。

A. 正确
B. 错误

为保证结晶器的传热效果,其水缝中冷却水的流速应保持在3~5m/s为宜。

A. 正确
B. 错误

全塑电缆接续长度及扣式接线子的排数应根据电缆对数、电缆直径及封合套管的规格等来确定。50对电缆接线子排数为4排。

A. 正确
B. 错误

You have a computer that runs Windows XP Professional. You replace the video graphics adapter in the computer and restart the computer. You discover that the hardware acceleration features of the video graphics card fail to function. You verify that the new video graphics adapter is certified for Windows XP Professional. You need to ensure that the hardware acceleration features of the video card function. What should you do?()

At the command prompt, run sigverif.exe.
B. Install the most up-to-date driver for the video graphics adapter.
C. Restart the computer in Safe Mode. Copy a new version of the vga.dll file to the computer.
D. Restart the computer in VGA Mode. Copy a new version of the vga.dll file to the computer.&e

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