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【简答题】
在数控加工中,刀具刀位点相对于工件运动的轨迹为
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反馈参考答案：
举一反三
【单选题】The American tourist hurried to the museum, only ________ that the train had pulled out of the station．
A.
telling
B.
to tell
C.
to be told
D.
having been told
【单选题】王粲《登楼赋》中,表达作者积极用世之志的句子是 ( )
A.
凭轩槛以遥望兮，向北风而开襟
B.
钟仪幽而楚奏兮，庄舄显而越吟
C.
昔尼父之在陈兮，有归欤之叹音
D.
惧匏瓜之徒悬兮，畏井渫之莫食
【单选题】All the pressure ___________ and he was off work for weeks with stress. [ ]
A.
pulled up
B.
pulled out
C.
built on
D.
built up
【单选题】He ________ the door and ripped the top part of some sort of hinge.
A.
pulled on
B.
pulled up
C.
pulled out
D.
pulled down
【单选题】He only pulled the knob lightly and it immediately ________ in his hand.
A.
came into
B.
came on
C.
came out
D.
came off
【单选题】Not until the train pulled into the station that his suitcase was gone.
A.
had he found
B.
did he find
C.
he had found
D.
he found
【单选题】He ______ between life and death for a few days but then he pulled through.
A.
hovered
B.
lurched
C.
wavered
D.
fluctuated
【单选题】He _____ after the doctor had almost given him up. [ ]
A.
pulled down
B.
pulled up
C.
pulled through
D.
pulled off
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