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【判断题】
切削三要素是指切削用量三要素,切削用量表示主运动和进给运动大小的参数,是切削速度、进给量和切削深度(背吃刀量)三者的总称A.
正确
B.
错误
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反馈参考答案：
举一反三
【判断题】如果购货方与销售方存在真实交易,且购货方不知取得的增值税专用发票是以非法手段获得的,购货方所取得的该增值税专用发票,可以作为增值税合法有效的扣税凭证抵扣其进项税额。
A.
正确
B.
错误
【单选题】Edge and screw dislocations differ in what way?
A.
1 magnitude of their Burgers vectors
B.
line direction is straight (edge) or curved (screw)
C.
angle between Burgers vector and line direction
D.
None of above
【多选题】科学发展观提出“以人为本”的思想，以人为本，体现在（）。
A.
“人”与“国”关系的层面上
B.
“人”与“人”关系的层面上
C.
“人”与“事”关系的层面上
D.
“人”与“物”关系的层面上
【简答题】One interesting thing of watching reporters cover the debate of minimum wage is thatthey often try to be judges of these debates. 查看材料
【简答题】（ ）cover shipment from or to ports involving transport by two or more shipping or railways companies．
【判断题】如果购货方与销售方存在真实交易，且购货方不知取得的增值税专用发票是以非法手段获得的，购货方所取得的该增值税专用发票，可以作为增值税合法有效的扣税凭证抵扣其进项税额。
A.
正确
B.
错误
【单选题】As I will be away for at least a year, I’d appreciate _____ from you now and then so that I can know how everyone is getting along.
A.
having heard
B.
to hear
C.
hearing
D.
being heard
【单选题】A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）
A.
Turn the case upside down, shake gently and let the screw fall out.
B.
Use a shop vacuum to retrieve the screw.
C.
Use the hardware abstraction layer (HAL).
D.
Use an extension magnet.
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