皮皮学，免费搜题
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搜题
【单选题】
厦门航空公司的口号是?A.
不期而遇，相伴相惜
B.
顾客至上
C.
人生路漫漫，相伴
D.
温馨之家，灵感之旅
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
【多选题】数控机床进给系统的指标包括( )。
A.
(A)切削进给速度范围
B.
(B)快速移动速度范围
C.
(C)滚珠丝杠的精度
D.
(D)定位和重复定位精度
E.
(E)最小分辨率
【单选题】Why did Penny want to lose weight?
A.
She wanted to have a baby.
B.
She'd had two children and gained weight.
C.
Her children kept telling she was fat.
D.
Her children don't like her.
【单选题】Why did Jim lose his previous job?
A.
There were problems with punctuality.
B.
There were disagreements with management.
C.
The company was bought by another company.
【简答题】轨面不平顺,将使列车()产生共振,造成列车与轨道振动及行车噪声的产生,影响列车的平稳和舒适。
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