If XYZ LTD has a problem with the hardware, which two options does the Cisco SMRTnet Contract Offer?（） [" Cisco IOS upgrade, including the most recent patches and bug fixes"," OnSite Support"," Advanced Hardware Replacement"," No Hardware Replacement"]
板状零件厚度可在尺寸数字前加注（）。 ["Y","n","M","&delta"]
票据市场
下列选项中哪些属于学习的特征（）。 ["行为或行为潜能的变化","短暂性","相对持久性","由反复经验引起","持久性"]
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"]
简述我国小学儿童道德判断的特点。
