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【多选题】
数控回转工作台是构成多坐标联动加工中心的（）、（）坐标的重要基础部件。A.
移动
B.
回转
C.
倾斜
D.
歪斜
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反馈参考答案：
举一反三
【单选题】Which of the following points lies in the interior of the circle whose radius is 10 and whose center is at the origin?
A.
(-9, 4)
B.
(5,-9)
C.
(0,-10)
D.
(10,-1)
E.
(-6, 8)
【单选题】Wh ich of the following is not the typical features of an ethical code of corporate?
A.
Guidance on acceptable and unacceptable behaviour
B.
Specific examples of company expectations
C.
Links to the organisation's mission and objectives
D.
Be dismissed for dishonesty
【简答题】如果在一个数上应用二进制补码表示法转换两次,将会得到原数。试试看。 11001110的补码是________________;在此基础上再次求补码得到______________;
【简答题】天沟即屋面上的排水沟,位于檐口部位时称为( )。
【简答题】如果在一个数上应用二进制补码表示法转换两次,将会得到原数。试试看。 01110100的补码是________________;在此基础上再次求补码得到______________;
【简答题】Wh ich of the following was not among the works of Plato?A. T he Public B. Essays C. The Symposium D. Just choose correct answer from A,B.C
【单选题】The passage suggests that which of the following is a kind of product that a liquidator who sells to discount stores would be unlikely to wish to acquire?
A.
Furniture
B.
Computers
C.
Kitchen equipment
D.
Baby-care products
E.
Children’s clothing
【单选题】Which of the following statement best expresses the main idea of the second paragraph?
A.
When you leave your office, you should not forget your business routine.
B.
You will lose a lot of business opportunities if you always delay your work.
C.
When you leave your office, your business routine would be harmed.
D.
When you cannot meet the need of your s, you should say 'sorry' .
【单选题】在主机电子调速系统中,如出现主机在额定转速运行时系统稳定,而在低速运行时系统不稳定的现象,其原因是什么?如何解决?
A.
系统积分时间太短所致，可调长积分时间予以解决
B.
系统比例带太小所致，可调大比例带予以解决
C.
低速时比例作用过弱所致，可加特性补偿予以解决
D.
低速时比例带过小所致，可调小特性补偿的低速增益
【简答题】Wh ich of the following isNOT the specific instance of directives?A. inviting B. advising C. warning D. swearing
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