板状零件厚度可在尺寸数字前加注（）。 ["Y","n","M","&delta"]
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You have an application that is incompatible with Windows Aero. You need to ensure that Windows Aero is automatically disabled when you run the application. What should you do?（） ["A","B","C","D"]
假设某动画帧频为30fps，有三个场景，每个场景各90帧，那么整个动画完全播完需要（）时间。 ["30秒","9秒","3秒","1秒"]
（）是指注册会计师根据职业判断，认为足够重要从而值得治理层关注的内部控制的一个缺陷或多个缺陷的组合。 ["A.内部控制缺陷 ","B.值得关注的内部控制缺陷 ","C.非重大内部控制缺陷 ","D.重大内部控制缺陷"]
为什么使用手持式电动工具具有更大的触电危险性？
