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【多选题】
关于定位误差的来源以下说法是:A.
包括基准不重合误差和基准位移误差。
B.
基准位移误差是由定位副的制造误差造成的。
C.
基准位移误差指由于工件的工序基准与定位基准不重合而造成的加工误差。
D.
定位误差只产生在按调整法加工一批工件的情况下，用试切法加工时，不存在定位误差。
E.
定位误差由基准不重合误差△B与基准位移误差△Y组合而成。若基准位移和基准不重合引起的加工尺寸变化方向相同时，取“+”号；反之，取“-”号。
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【简答题】N一1现代物流技术的核心是( )的应用.P5
【单选题】听力原文：M: If you happen to see the thief who stole my money, please call the police station. W: What does the thief look like? M: He is a middle-aged man, with long black hair and wearing a T-shirt. Whi...
A.
A middle-aged man, with short brown hair.
B.
A middle-aged man, with long black hair.
C.
A middle-aged man, with long brown hair.
【单选题】The thief drove as fast as he could in an effort tothe pursuing police car.A．shake offB．shake w
A.
287. The thief drove as fast as he could in an effort to the pursuing police car. A．shake off
B.
shake with
C.
show off
D.
show up
【单选题】The gentleman ______ you told me yesterday proved to be a thief. [ ]
A.
who
B.
about whom
C.
whom
D.
with who
【单选题】关于苯妥英钠治疗强心苷所引起的快速性心律失常,哪项是错误的:
A.
降低希-普氏纤维的自律性
B.
降低希-普氏纤维0相上升速度
C.
加快受抑制的房室传导
D.
对室性心动过速也有效
E.
使强心苷从受体结合状态下解离下来
【简答题】反求工程的现实意义是什么?
【单选题】While the thief was searching in the room, the door ______. [ ]
A.
was opening
B.
opened
C.
opens
D.
will open
【单选题】On the third Thursday Mrs. Clarke went out at her usual time ______.
A.
because she didn't want to miss the club again
B.
to see if the thief was hanging out outside
C.
to the club, entirely forgetting about that unpleasant theft
D.
in an attempt to trick the thief
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