皮皮学，免费搜题
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搜题
【单选题】
齿轮因齿面塑性变形而失效最可能出现在( )齿轮传动中。A.
低速重载的软齿面
B.
高速轻载的硬齿面
C.
齿宽较小的硬齿面
D.
齿宽较大的硬齿面
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Ok, last night you were supposed to read an article a bout human bones. Are there any comments about it? M: Well, to begin with, I was surprised to find out there was so much going on in bones...
A.
How bones help the body move.
B.
How bones continuously repair themselves.
C.
The chemical composition of human bones.
D.
Two different types of bones in the human body.
【简答题】声卡主要负责计算机系统中声音的处理,目前主流声卡采用的总线接口为()。