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【简答题】
磨削加工的实质是磨粒对工件进行（）、滑擦和切削三种作用的综合过程。
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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】下列属于反馈控制的有 。
A.
年终考核
B.
对各种财务报表的分析
C.
对游客体验后的满意度调查
D.
在生产过程中对产品质量的抽查
E.
对投入资源是否符合计划目标的要求进行检查
【单选题】The last reason for their confidence in marriage is___________.
A.
They hardly took the time to know each other.
B.
They overlooked serious personality conflicts in the expectation that marriage was an automatic way to make everything work out right.
C.
Gail’s parents, after thirty-five years of marriage, were going through a bitter and painful divorce.
D.
They were sure to avoid the mistake made by many couples of marrying for the wrong reason.
【简答题】Passengers must have confidence in their crew.
【单选题】Their confidence in him was greatly _________________ by his prolonged hesitation before taking an action.
A.
appreciated
B.
confirmed
C.
weakened
D.
cherished
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