皮皮学，免费搜题
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搜题
【判断题】
若刚体内各点均作圆周运动,则此刚体的运动必是定轴转动A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】—_____she come this afternoon? —No, she can't. Because her mother is ill. [ ]
A.
Can
B.
Would
C.
Could
D.
Will
【单选题】She will have to find somewhere else to work, for she can't ______ this loud noise any longer.
A.
come up with
B.
catch up with
C.
keep up with
D.
put up with
【简答题】液压系统的油温较高或环境温度较高，宜选用（）的液压油。